Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Tier I Safety Contractor Name Address City DBA / Doing Business As Work Type(s) Performed

2R Drilling, Inc 6939 Schaefer Ave #D-304 Chino 2R Drilling, Inc Oil and Gas, Drilling - Oil and Gas Well Drilling Operations

Construction, General - Concrete Construction, Construction, General - Pier and Grade Beam Foundation, 3G Rebar, Inc. 6400 Price Way Bakersfield Construction, General - Piling/Deep Foundation

4th Generation Tree PO Box 512 Templeton Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

A-1 Apache Plumbing Inc. 1421 S 4th St Montebello Services, Technical - Plumbing/Plumber, Supplies - Backflow Prevention Devices - Install and/or Maintenance

Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Aardvark Biological Services LLC 1382 Oceanaire Dr San Luis Obispo Wetland Delineation

Abate-a-Weed Inc. 9411 Rosedale Highway Bakersfield Services, Industrial - Agriculture, Pesticide Applicator/Spraying

Equipment - Electric Power Systems - Install and/or Maintenance, Services, Industrial - Electrical /Power ABB Enterprise Software Inc. 901 Main Campus Drive Raleigh Generation, Services, Industrial - Energy

Construction, General - Drilling of Water Wells, Oil and Gas, Servicing - Well Services, Environmental, Services, ABC Liovin Drilling, Inc. 1180 East Burnett Street Signal Hill Environmental - Environmental Drilling, Transportation, Road - Vacuum Truck

ABCO Gate Systems 25709 Alta Dr Valencia Equipment - Electric Motors - Install and/or Maintenance

Abercrombie Pipeline Services, LLC PO Box 11502 Bozeman Construction, General - Pipeline Construction

Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane Rigging/Rigger - Operations, Machinery - Truck- Able Crane Service 162 N Aspan Ave Azusa Able Crane Service Construction,Mounted Crane General - Rentals - Roofing/Roofer, Equipment - Appliances - Install and/or Maintenance, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Motors - Install and/or Maintenance, Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance, Services, ABM Facility Services 1776 Yorktown St Ste 800 Houston Construction,Inspections and General Testing - Civil- HVAC Construction, Testing, Adjusting Construction, and Balancing General - (TAB),Concrete Services, Core Drilling/Boring, Inspections and Construction, Testing - General - Concrete Cutting/Sawing, Construction, General - Concrete Pumping Services, Construction, General - Demolition/Wrecking, Construction, General - Painter/Painting, Construction, Transportation Infrastructure - Line ACC Construction, Inc. 6461 Global Drive Cypress Construction,Painting of Roads General and/or - Building Parking Construction, Lots, Equipment Construction, - Scaffolding General - Operations - Civil Construction, and/or Maintenance, Construction, Services, General - Concrete Construction, Construction, General - Demolition/Wrecking, Construction, General - Drywall, Taping/Mudding, Construction, General - Electrician, Construction, General - Painter/Painting, Construction, Accent Engineering and Construction, Inc. 10679 Westview Pkwy San Diego Transportation Infrastructure - Concrete Paving, Contractor, General - General Contractor, Equipment - Heating,

Access General Contracting, Inc. 13736 Goldenwest St Ste E Westminster Construction, Transportation Infrastructure - Asphalt Paving

Access Limited Construction 1102 Pike Ln Oceano Construction,Machinery - Heavy General Equipment - Building - OperationsConstruction, Construction, General - Demolition/Wrecking, Equipment - Air Conditioning Equipment - Rental, Equipment - Boilers - Install and/or Maintenance, Equipment - Cooling Towers - Install and/or Maintenance, Equipment - Furnace - Install and/or Maintenance, Equipment - Heat Exchangers, ACCO Engineered Systems Inc 888 E Walnut St Pasadena Geo. H. Wilson Shell and Tube/Tubular - Install and/or Maintenance, Equipment - Heating, Ventilation and Air Conditioning

ACCO Mechanical Construction Group 1111 Aladdin Avenue, CA San Leandro Construction, General - CivilBuilding Construction, Construction, Construction, Contractor, General General - Concrete- General Construction,Contractor Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, Accurate Structural General General - Concrete Finishing/Surfacing, Construction, General - Construction Consultant, Construction, General Accurate Structural Inc 13564 Canyon View Dr Yucaipa Engineering - Demolition/Wrecking, Construction, General - Painter/Painting, Construction, General - Pier and Grade Beam

Forestry - Forest Thinning, Services, Industrial - Land Clearing, Services, Industrial - Tree Trimming and/or Ace Tree Enterprises Inc. 1650 Goulart Ranch Newcastle Clearing, Wood Chipping

Action Cleanup Environmental Services, Inc 9144 Rose St Bellflower Services, Environmental - Environmental, Transportation, Road - Vacuum Truck

Active Power, Inc. 2128 W Braker Ln Austin Supplies - Uninterruptible Power Supply/Source (UPS) - Install and/or Maintenance

AC Tree Service INC 495 E Montrose St Rialto AC Tree Service Construction,Services, Industrial General - Tree - Building Trimming Construction, and/or Clearing, Construction, Wood Chipping General - Civil Construction, Construction, General - Concrete Construction, Construction, General - Concrete Finishing/Surfacing, Construction, General - Engineering Procurement and Construction (EPC), Construction, General - Epoxy and/or Polymer Coatings, Adamo Construction, Inc. 11980 Woodside Avenue , Suite 1 Lakeside Adamo Security Group Construction, General - Finishing Carpenter, Construction, General - Flooring - Install and/or Maintenance,

AD PRO 5842 McFadden ave, ST E Huntington beach Construction, General - Interior Design Services Equipment - Access Platforms, Elevated Lifts, Temporary Platforms - Install and/or Maintenance, Services, Facilities - Security Services, Industrial Patrols, Industrial Surveillance, Supplies - Security Cameras/Closed ADT Commercial, LLC 1501 Yamato Road Boca Raton ADT Commercial, LLC Circuit Television - Install and/or Maintenance, Supplies - Security Systems - Install and/or Maintenance

Advanced Crane 12178 Firestone Blvd Norwalk Machinery - Truck-Mounted Crane, Rigging/Rigger - Operations

ADVANCED FILTRATION CONCEPTS, INC. 14010 Gracebee Avenue Norwalk Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance

Advanced Radar Technology Inc. 9830 N. Magnolia Ave #172 Santee ART Locating Services, Inspections and Testing - Ground Penetrating Radar

A & E Arborists Tree Care 2947 Colusa Hwy, Ste. E1 Yuba City Services, EnvironmentalIndustrial - Forestry, - Consulting, Logging, Permits, Services, Services, Industrial Environmental - Tree Trimming - Emissions and/or Clearing, Testing, WoodServices, Chipping Environmental - Environmental Consulting, Services, Environmental - Environmental Drilling, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - AECOM Technical Services, Inc. 515 S. Flower St. Los Angeles Environmental, Services, Environmental - Erosion Control, Services, Environmental - Soil and/or Waterbody

Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Land Surveying, Services, Intellectual - Aerial Filmworks, LLC 8500 Scouts Way Charlotte Surveying, Services, Intellectual - Topographic Surveying

Aethon Aerial LLC 2603 Camino Ramon, Suite 200 San Ramon Transportation, Air - Aerial Patrol/Inspection

Equipment - Air Conditioning Equipment - Rental, Equipment - Equipment - Rental, Supplies - Compressors - Aggreko, LLC 4607 W. Admiral Doyle Dr.. New Iberia Rental, Supplies - Generators - Rental

Ahern Rentals, Inc. 2550 S Sam Houston Pkwy W Houston Equipment - Equipment - Rental

Services, Environmental - Emergency Response, Services, Environmental - Environmental, Services, Ahtna Government Services Corporation 3100 Beacon Blvd West Sacramento Services,Environmental Industrial - Erosion - Bulk Control, Fuel/Petroleum Services, Products Environmental - Distribution, - Soil and/or Supplier, Waterbody No Onsite Remediation Field Work - Gases, Industrial Purposes, Supplier, No Onsite Field Work - Gases, Medical Purposes, Supplier, No Onsite Field Work - Health and Safety Equipment, Supplies - Gas Cylinders - Rental, Transportation, Road - Hot Shot / Hotshot Airgas USA, LLC 259 N Radnor Chester Road, Suite 100 Radnor Trucking

Air Hygiene International Inc. 1600 W Tacoma St. Broken Arrow Services, Environmental - Emissions Testing

Equipment - Dust Collection Systems - Install and/or Maintenance, Services, Cleaning - Air Duct/Ductwork Airtek Indoor Air Solutions 777 N Georgia Ave Azusa EquipmentCleaning - Communication Towers - Install and/or Maintenance, Equipment - Telecommunication Transmission Equipment - Install and/or Maintenance, Services, Technical - Information Technology (IT) Support, Supplier, No Onsite Field Work - Portable Electronic Devices, Smartphones, Supplies - Intercom, Communication Supplies Airwave Communications Enterprises 7213 Old 215 Frontage Rd. Moreno Valley Airwave Communications Enterprises and/or Equipment - Rental, Supplies - Radios - Install and/or Maintenance, Supplies - Supplies and/or Equipment Machinery - Air Vacuum Excavation - Operations, Services, Facilities - Traffic Control/Flagging, Services, Intellectual - Geophysical Land Access Permitting Services, Services, Technical - Locating of Utility Lines, AirX Utility Surveyors, Inc. 785 East Mission Rd, Suite 100 San Marcos Buried Cables and/or Pipelines

A-Jay Excavating, Inc. 10415 Rocky Canyon Rd Atascadero Machinery - Excavating - Operations

ALBD Electric & Cable 995 East Discovery Lane Anaheim ALBD Electric & Cable Construction, General - Electrical Construction, Construction, General - Electrician

Alcoa Traffic Control 11865 Foster Rd Norwalk Alcoa Traffic Control Services, Technical - Safety

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Aldridge Electric Inc. 844 E. Rockland Rd. Libertyville Services, Industrial - Electrical Construction and/or Repair

Equipment - Elevators - Rental, Equipment - Elevators/Lifts and/or Escalators - Install and/or Maintenance, Alimak Group USA Inc 12552 Old Galveston , Suite A-160 Webster Manufacturer, No Onsite Field Work - Original Equipment Manufacturer (OEM)

Services, Environmental - Recycling Services, Services, Inspections and Testing - Demolition/Dismantling A-Line E.D.S. 808 Dearborn Ave, Address Line 2 Waterloo Inspection, Services, Intellectual - Materials Management Construction, General - Civil Construction, Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Concrete Paving, Manufacturer, No Onsite Field Work - Original All American Manufacturing 1776 All American Way Corona Equipment Manufacturer (OEM)

Allen Lighting Services Inc 12345 S La Cadena Dr Colton Allen Lighting Services Inc Construction, General - Electrical Construction

Alliance Cooling Products, Inc. P.O. Box 1512 Healdsburg Construction, General - Finishing Carpenter, Equipment - Cooling Towers - Install and/or Maintenance

Alliance Source Testing, LLC. 400 TX-146 Baytown Services, Environmental - Emissions Testing, Services, Technical - Instrumentation and Electrical Analyzers

Allied Mechanical Air Systems 13111 Brooks Dr Ste K Baldwin Park Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance

Construction, General - Concrete Finishing/Surfacing, Construction, Transportation Infrastructure - Line Painting Allied Paving Company 13912 Newhope St Garden Grove of Roads and/or Parking Lots, Construction, Transportation Infrastructure - Roadwork/Road Maintenance

All-Star Traffic Solutions Inc. 27217 Coyote Mesa Dr Corona ATS Supplier, No Onsite Field Work - Sales, General, Supplier, No Onsite Field Work - Supplies, General

Allstate Boring 7553 Jenica St Bakersfield Services, Technical - Tunnel Services Construction, General - Civil Construction, Construction, General - Electrician, Contractor, General - General Contractor, Equipment - Electric Power Systems - Install and/or Maintenance, Machinery - Excavating - Alpha Pacific Engineering & Contracting, Inc. 8185 Belvedere Ave Ste F Sacramento Operations

Ameresco Inc - Federal 111 Speen St, Ste 410 Framingham Construction, General - CivilEngineering Construction, Procurement Construction, and Construction General - Concrete (EPC) Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, General - Concrete Pumping Services, Construction, General - Demolition/Wrecking, Construction, General - Interior Design Services, Construction, General - Painter/Painting, American Construction Services, Inc. 7811 Jefferson Street Paramount MachineryContractor, - General Mobile Crane - General - Operations, Contractor Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane Rigging/Rigger - Operations, Machinery - Rough Terrain Crane - Rentals, Machinery - Rough Terrain Crane, Rigging/Rigger - Operations, Machinery - Telescopic Crane - Rentals, Machinery - Telescopic Crane, American Crane Rental, Inc. 17800 Comconex Rd Manteca Rigging/Rigger - Operations, Machinery - Truck-Mounted Crane - Rentals, Machinery - Truck-Mounted Crane,

American Heavy Moving and Rigging, Inc 1391 East Phillips Blvd Pomona Transportation, Road - Dump Truck Services

American Hydroseed LLC 41760 Ivy St Ste 202 Murrieta Western Land Clearing Mining - Hydroseeding, Services, Environmental - Erosion Control

American Incorporated, California Corporation 1345 N. American St Visalia MD Concrete Cutting & Demolition Construction,Equipment - Heating, General Ventilation - Demolition/Wrecking, and Air Conditioning Equipment (HVAC) - Storage Systems Tanks - Install - Removal/Demolition, and/or Maintenance Equipment - Underground Storage Tanks (UST), Piping - Install and/or Maintenance, Machinery - Contract Operator, Gulf Coast Dismantling, an AIS Machinery - Excavating - Operations, Machinery - Hydro Excavation - Operations, Oil and Gas, Pipelines - DOT American Integrated Services Inc 1502 East Opp Street Wilmington Company Construction,Covered Tasks, General Oil and - Piling,Gas, Servicing Contractor, - Well General Services, - General Environmental, Contractor, Services, Oil and Gas, Environmental Offshore - -Diving Air Quality Consultant, Oil and Gas, Offshore - Diving Services, Oil and Gas, Offshore - Inland Marine Services, Oil and Gas, Offshore - Marine Construction, Oil and Gas, Offshore - Marine Services, Oil and Gas, Offshore - Marine American Marine Corporation-Alaska 6000 A Street Anchorage Vessel Repair, Oil and Gas, Offshore - Offshore Construction, Oil and Gas, Offshore - Offshore Operations, Oil

American Mechanical Systems, Inc. 2183 Lake Marie Dr Santa Maria Construction,Equipment - Heating, General Ventilation - Electrical and Construction, Air Conditioning Construction, (HVAC) GeneralSystems - -Electrician, Install and/or Construction, Maintenance General - Engineering Procurement and Construction (EPC), Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, American Power, LLC 7931 E Pecos Rd Ste 211 Mesa Atkinson Power, LLC Machinery - Excavating - Operations, Machinery - Hydro Excavation - Operations, Services, Industrial - Boring

American Power Solutions Inc. 14355 Industry Cir La Mirada American Power Solutions Inc. Supplies - Lighting - Install and/or Maintenance

Ameron Pole Products, LLC 1020 B St Fillmore Construction, General - Precast Concrete - Install and/or Maintenance

Ampirical Solutions, LLC 5471 Kearny Villa Road,, Suite 20110 San Diego Services, Intellectual - Electrical Engineering, Services, Intellectual - Engineering Design Services, Intellectual - Civil Engineering, Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Information Technology (IT) Consultant, Services, Intellectual - Professional Engineer, Services, Ampjack America Ltd 3960 Howard Hughes Pkwy, Ste 500 Las Vegas Intellectual - Surveying

AMS Group, LLC 2337 Naomi St Houston AMS Group, LLC Supplies - Transformers - Install and/or Maintenance

A.M. Wighton and Sons Inc. 4096 Horizon Lane, Suite A San Luis Obispo Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance Construction, General - Building Construction, Construction, General - Finishing Carpenter, Contractor, General - General Contractor, Machinery - Contract Operator, Machinery - Forklift/Lift Truck - Operations, Services, Anderson Burton Construction Inc. California Division 121 Nevada Street, California Arroyo Grande Construction,Facilities - Maintenance General - BuildingTechnician/Handyman, Construction, Construction, Services, Staffing/Placement General - Civil Construction, - General Laborers Construction, General - Concrete Construction, Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, General - Concrete Pumping Services, Construction, General - Demolition - Anvil Builders, Inc. 1475 Donner Ave San Francisco Chimneys and Stacks, Construction, General - Demolition/Wrecking, Construction, General - Engineering

A-n-W Construction Inc 5845 Republic St Ste A Riverside A-n-W Construction Inc Services,Construction, Environmental General - Concrete - Asbestos Construction Assessment/Survey and/or Consulting, Services, Environmental - Emergency Response, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Environmental, Services, Apex Companies, LLC 15850 Crabbs Branch Way, Ste. 200 Rockville Environmental - Laboratory, Services, Environmental - Microbial Treatment, Services, Environmental - Mold

API Engineering 13089 Peyton Drive, Ste C247 Chino Hills Services, Inspections and Testing - Inspection

Applied Specialties, Inc. 33555 Pin Oak Parkway Avon Lake Services, Environmental - Water Treatment

Oil and Gas, Offshore - Diving Consultant, Oil and Gas, Offshore - Diving Services, Oil and Gas, Offshore - Aqueos Corporation 231 Hwy 96 Broussard Construction,Remote Operated General Vehicles, - Building Services, Construction, Technical Construction, - Commercial General and/or Professional- Civil Construction, Diving ServicesConstruction, General - Concrete Construction, Construction, General - Pipeline Construction, Construction, General - Underground Sewage Systems/Sewerage, Contractor, General - General Contractor, Equipment - Boilers - Install and/or ARB, Inc. 26000 Commercentre Dr Lake Forest ForestryMaintenance, - Bucking, Equipment Delimbing - Heat and/or Exchangers Cutting -of Install Felled and/or Trees, Maintenance, Forestry - Consulting, Machinery Surveying, - Excavating Planning, - Operations, Estimating, Forestry - Cutting Timber/Falling, Forestry - Forest Road Construction and/or Maintenance, Forestry - Forest Thinning, Forestry - Reforestation/Forest Regeneration, Forestry - Yarding/Skidding, Services, Industrial - Arbor Pros LLC 1350 Stardust St. Ste. D Reno Tree Trimming and/or Clearing, Wood Chipping

ArborWorks, Inc. 40094 Highway 49 Oakhurst OilServices, and Gas, Industrial Servicing - Tree - Well Trimming Services, and/or Environmental, Clearing, Wood Services, Chipping Environmental - Air Quality and Meteorological Monitoring, Services, Environmental - Asbestos Assessment/Survey and/or Consulting, Services, Environmental - Emergency Response, Services, Environmental - Emissions Testing, Services, Environmental - Environmental Arcadis U.S., Inc. 630 Plaza Dr., Suite 200 Highlands Ranch Services,Conservation, Environmental Services, Environmental- Consulting, Permits, - Environmental Services, Consulting, Environmental Services, - Environmental Environmental Conservation, - Environmental Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Erosion Control, Services, Environmental - Area West Environmental, Inc. 6248 Main Ave Ste C Orangevale Restorative Planting, Services, Environmental - Wetland Delineation, Services, Intellectual - Archaeological Construction, General - Painter/Painting, Services, Industrial - Lining and/or Coating of Objects, Structures, and/or Equipment, Services, Industrial - Sandblasting, Supplies - Fireproofing/Firestopping - Install and/or Arena Painting Contractors Inc. 525 E. Alondra Blvd. Gardena Maintenance, Supplies - Industrial Insulation - Install and/or Maintenance

Arijet Corporation 3531 Pomona Blvd Pomona Construction,Contractor, General General - General - Civil Construction, Contractor Construction, General - Concrete Construction, Construction, General - Demolition/Wrecking, Construction, General - Pipeline Construction, Machinery - Excavating - Operations, Machinery - Mobile Crane - Operations, Oil and Gas, Drilling - Directional Drilling / Slant Drilling Arizona Pipeline Company 17373 Lilac St Hesperia Operations, Oil and Gas, Pipelines - DOT Covered Tasks, Oil and Gas, Servicing - Casing Cutter Operations,

Services, Cleaning - Drain Cleaning, Services, Technical - Plumbing/Plumber, Supplies - Backflow Prevention ARS Rescue Rooter 965 Ridge Lake Blvd Ste 201 Memphis Rescue Rooter of Fort Worth Devices - Install and/or Maintenance

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Services, Environmental - Consulting, Permits, Services, Environmental - Environmental Conservation, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental, Services, Artemis Environmental Services, Inc. 3612 Bayview Pl Carlsbad Artemis Environmental Environmental - Wetland Delineation

Art's Mobile Welding Service 12016 Camino Valencia Cerritos Welding Services, Industrial - Welding Services

ASAP Paving Inc 8251 Commonwealth Ave Buena Park Services,Construction, Environmental Transportation - Hazardous Infrastructure Waste/Chemical - Asphalt Paving Waste Management Services, Services, Environmental - Non-Hazardous Waste Management, Transportation, Road - Hauling Services, Transportation, Road - Hazardous Waste/Chemical Waste Transportation, Transportation, Road - Liquid Waste Hauling, Non- Asbury Environmental Service 9302 Garfield Ave South Gate World Oil Environmental Services Hazardous, Transportation, Road - Tanker/Tank Truck Services, Transportation, Road - Vacuum Truck Construction, General - Engineering Procurement and Construction (EPC), Oil and Gas, Geophysical/Seismic - Seismic Data Acquisition, Services, Intellectual - Control Engineering, Services, Intellectual - Electrical Ashland Integrated, Inc. 879 E Santa Fe St San Bernardino Engineering

ASI Marine L.P. 40 Centre Dr, Suite 300 Orchard Park Oil and Gas, Offshore - Geophysical Exploration, Marine, Oil and Gas, Offshore - Remote Operated Vehicles

Aspen Helicopters, Inc. 2899 West 5th Street Oxnard Transportation, Air - Aerial Photography, Transportation, Air - Charter Helicopter Services

Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Asphalt Technology, Inc. 4075 Celeste Ave Clovis Concrete Paving

Asplundh Construction llc Asplundh Construction LLC - Region 209 6101 Gateway Dr Cypress Planning/engineering design Services, Intellectual - Professional Engineer Construction, General - Pipeline Construction, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Asplundh Construction LLC Region 211 7431 Walnut St Buena Park Maintenance, Services, Industrial - Electrical Construction and/or Repair

Asplundh Tree Expert Co. - Region 163 5906 S 77th St Omaha Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping Equipment - Appliances - Install and/or Maintenance, Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance, Supplies - Doors - Install and/or Maintenance, Supplies - Fire Assert Inc. 155 W Avenue J5 Lancaster Brick/Refractory Brick - Install and/or Maintenance, Supplies - Insulation - Install and/or Maintenance

Equipment - Electric Generators - Install and/or Maintenance, Equipment - Turbines - Install and/or Maintenance, Atlantic Plant Maintenance 3225 Pasadena Blvd. Pasadena Services, Industrial - General Mechanical Contractor/Millwright, Services, Industrial - Valve Repair

Oil and Gas, Pipelines - Pipeline Inspection, Services, Facilities - Security Services, Industrial Patrols, Industrial Atlas Field Services, LLC 3900 Essex Ln Ste 775 Houston Surveillance, Services, Inspections and Testing - Safety Equipment Inspection, Services, Technical - Safety

Manufacturer, No Onsite Field Work - Fiberglass Products, Services, Industrial - Induction Heating for Fiberglass Augusta Fiberglass Coatings Inc 86 Lake Cynthia Rd, South Carolina Blackville Removal

Automated Gate Services, Inc. 526 Princeland Ct Corona Services, Facilities - Security Services, Industrial Patrols, Industrial Surveillance

Automate Electric Inc. 9224 Vicki Dr Santa Fe Springs Automate Electric Inc. Supplies - Control Systems - Install and/or Maintenance

Aztrack Construction Corporation 801 Lindberg Lane, California Petaluma Machinery - Heavy Equipment - Operations, Machinery - Heavy Equipment - Rentals

Backflow Apparatus Co 20435 S Susana Rd Long Beach Supplies - Backflow Prevention Devices - Install and/or Maintenance Machinery - Air Vacuum Excavation - Operations, Machinery - Excavating - Operations, Machinery - Hydro Excavation - Operations, Services, Cleaning - Tank Cleaning, Services, Technical - Locating of Utility Lines, Badger Daylighting Corp. 8930 Motorsports Way Brownsburg Buried Cables and/or Pipelines, Transportation, Road - Liquid Waste Hauling, Non-Hazardous

Baja Exploration 246 Vista Grande Gln Escondido Construction,Services, Inspections General and - Electrician, Testing - EquipmentMaterials/Geotechnical - Electric Power Testing Systems - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Oil and Gas, Geophysical/Seismic - Seismic Data Acquisition, Services, Industrial - Electrical Construction and/or Repair, Baker Electric Inc 1298 Pacific Oaks Place Escondido Services, Industrial - Electrical Instrumentation, Services, Industrial - Instrumentation and Electrical, Services,

Baker Topping, Inc. 1715 S Crumal St Visalia Baker Topping, Inc. Machinery - Heavy Equipment - Operations

Bali Construction, Inc. 9852 E. Joe Vargas Way So. El Monte Bali Construction, Inc Construction, General - BuildingCivil Construction, Construction, Construction, Construction, General General - Underground - Civil Construction, Sewage Systems/SewerageConstruction, General - Concrete Construction, Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, General - Concrete Pumping Services, Construction, General - Barnard Construction Company, Inc. 701 Gold Avenue, MT Bozeman Demolition/Wrecking, Construction, General - Engineering Procurement and Construction (EPC), Construction,

Barnett Refrigeration, Inc. 1080 Cole Ave Ste 104 Clovis Contractor,Equipment -General Heating, - VentilationGeneral Contractor, and Air Conditioning Equipment -(HVAC) Nuclear Systems Equipment - Install - Install and/or and/or Maintenance Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - BHI Energy, BHI Energy Staffing Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Machinery - Contract Operator, Bartlett Holdings, Inc. (BHI) 24 Morning Wind Ct Saint Peters Solutions Group Machinery - Forklift/Lift Truck - Operations, Oil and Gas, Servicing - Production Measurement, Services,

Services, Industrial - Electrical /Power Generation, Services, Industrial - Energy, Services, Industrial - Steam Baseload Power Generation Parts & Services, LLC Corpus Corpus Christi Services,Generation Environmental - Asbestos Abatement/Removal, Services, Environmental - Environmental, Services, Environmental - Hazardous Waste/Chemical Waste Management Services, Services, Environmental - Lead Abatement, Services, Environmental - Soil and/or Waterbody Remediation, Services, Environmental - Spill Bayview Environmental Services Inc. 6925 San Leandro St. Oakland Cleanup

B&B Locating, Inc. 4535 Missouri Flat Rd. Ste 2C Placerville Construction,Services, Inspections General and - Drilling Testing of Water- Ground Wells, Penetrating Oil and Gas, Radar Drilling - Oil and Gas Well Drilling Operations, Oil and Gas, Drilling - Reverse Circulation Drilling Operations, Oil and Gas, Servicing - Well Services, Environmental, Services, Environmental - Environmental Drilling, Services, Environmental - Soil Services/Soil BC2 Environmental, LLC 1150 West Trenton Ave, California Orange Sampling, Services, Industrial - Drilling Construction, Transportation Infrastructure - Line Painting of Roads and/or Parking Lots, Contractor, General - General Contractor, Services, Staffing/Placement - General Laborers, Supplies - Signs - Install and/or B. C. Rentals Inc 638 W Southern Ave Orange B. C. TRAFFIC SPECIALIST Maintenance, Supplies - Tools - Rental, Transportation, Road - Hot Shot / Hotshot Trucking Construction, Transportation Infrastructure - Roadwork/Road Maintenance, Services, Facilities - Interior Landscaping, Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping, Services, BC Tree Services Inc. 1261 Casitas Vista Rd Ventura Intellectual - Land Surveying

Construction, General - Concrete Core Drilling/Boring, Construction, General - Demolition/Wrecking, Bella Development Services Inc. 10008 Tall Oak Dr Escondido Bella Construction Construction, General - Pipeline Construction, Construction, Transportation Infrastructure - Asphalt Paving

Services, Industrial - Machining, Services, Industrial - Machining, Field (Onsite), Services, Industrial - Machining, Bender CCP, Inc 2150 E 37th St Vernon Pumps and Blowers

Machinery - Mobile Equipment - Onsite Repair, Services, Industrial - Control Valve Repair, Services, Industrial - Bermingham Controls, Inc. 11144 Business Cir Cerritos Safety/Relief Valve Repair, Services, Industrial - Valve Repair

Bernards Bros, Inc. 555 1st St San Fernando Bernards Bros, Inc. Contractor, General - General Contractor Construction, General - Concrete Construction, Construction, General - Engineering Procurement and Construction (EPC), Services, Industrial - Electrical Construction and/or Repair, Services, Intellectual - Civil Beta Engineering, LLC 4725 Hwy. 28 E Pineville Engineering, Services, Intellectual - Electrical Engineering, Services, Intellectual - Industrial Hygiene Consultant

BHI Energy I Specialty Services, LLC 2005 Newpoint Parkway Lawrenceville Services, Industrial - Machining, Field (Onsite), Services, Industrial - Welding Services

BHL Industries Incorporated 11201 Santa Fe Ave. Lynwood MachineryConstruction, - Crawler General Crane - Demolition/Wrecking - Maintenance, Machinery - Crawler Crane - Rentals, Machinery - Crawler Crane, Rigging/Rigger - Operations, Machinery - Mobile Crane - Maintenance, Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane Rigging/Rigger - Operations, Machinery - Rough Terrain Crane - Maintenance, Bigge Crane and Rigging Co. 10700 Bigge Avenue, California San Leandro Machinery - Rough Terrain Crane - Rentals, Machinery - Rough Terrain Crane, Rigging/Rigger - Operations,

Bill Nelson General Engineering Construction Inc. 2741 E. Malaga Avenue Fresno Contractor, General - General Contractor, Machinery - Heavy Equipment - Operations

Bill Petty's Backhoe Service Inc 13203 Barlin Ave Downey Machinery - Heavy Equipment - Operations

Birchfield Enterprises, Inc 3969 Sierra Ave Norco Birchfield Enterprises, Inc Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Birds Eye Aerial Drones, LLC 9920 Prospect Ave Ste 101 Santee Birds Eye Aerial Drones, LLC Transportation, Air - Aerial Geophysical Surveying Services

Blackdog Electrical Systems, Inc. 731 W Anaheim St Long Beach Construction, General - Electrician

Black Star Paving, Inc 18543 Yorba Linda Blvd., #319 Yorba Linda Construction, GeneralTransportation - Engineering Infrastructure Procurement - Concrete and PavingConstruction (EPC), Services, Industrial - Electrical /Power Generation, Services, Industrial - Steam Generation, Services, Intellectual - Geoscience Engineering, Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Information Technology (IT) Black & Veatch Corporation 11401 Lamar Ave. Overland Park Consultant, Services, Intellectual - Professional Engineer

Services, Environmental - Sampling Services, Transportation, Road - Hazardous Waste/Chemical Waste Blaine Tech Services Blaine Tech Services, 1680 Rogers Avenue San Jose Transportation

Blair, Church and Flynn Consulting Engineers, Inc. 451 Clovis Ave Ste 200 Clovis Services, Intellectual - Professional Engineer

Bloom Energy 3545 N First st San JOse Supplier, No Onsite Field Work - Electrical Supplies

Bluegrass Concrete Cutting, Inc 107 Mildred Street, Alabama Greenville Construction, General - Concrete Core Drilling/Boring

Transportation, Air - Aerial Geophysical Surveying Services, Transportation, Air - Aerial Patrol/Inspection, Bluesky Helicopters, Inc 2015 McKinley Ave Ste F4 La Verne Transportation, Air - Aerial Photography, Transportation, Air - Charter Helicopter Services

Bob Peters Fire Protection, Inc. 3397 E 19th St Signal Hill Supplies - Fire Extinguishers - Install and/or Maintenance

Bolder Electric LLC. 30019 Buck Tail Dr. Menifee Bolder Electric Manufacturer,Equipment - Electric No Onsite Generators Field Work - Install - Original and/or Equipment Maintenance Manufacturer (OEM), Oil & Gas, Pipelines - Oil and/or Gas Pipeline Operation, Services, Industrial - Bolting Services, Services, Industrial - Cold Cutting, Services, Industrial - Heat Treating and/or Stress Relieving, Services, Industrial - Machining, Field (Onsite), Supplies - Bolttech-Mannings, Inc. 501 Mosside Blvd., PA North Versailles EquipmentTools - Rental - Equipment - Rental, Machinery - Air Vacuum Excavation - Operations, Transportation, Road - General Trucking Services, Transportation, Road - Hauling Services, Transportation, Road - Hazardous Waste/Chemical Waste Transportation, Transportation, Road - Liquid Waste Hauling, Non-Hazardous, Bradley Tanks Inc. 402 Hartz Ave Building C Danville Transportation, Road - Tanker/Tank Truck Services, Transportation, Road - Vacuum Truck, Transportation,

Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane Rigging/Rigger - Operations, Transportation, Bragg Companies 6242 Paramount Blvd. Long Beach Construction,Road - Hauling General Services, - Steel Transportation, Erection and/or Road Assembly, - Hauling, Equipment Coke - Towers - Install and/or Maintenance, Machinery - Bundle Puller/Extractor - Install and/or Maintenance, Machinery - Crawler Crane - Maintenance, Machinery - Crawler Crane - Rentals, Machinery - Crawler Crane, Rigging/Rigger - Operations, Machinery - Bragg Crane Service 6242 N Paramount Blvd Long Beach Construction,Mobile Crane -General Rentals, - FinishingMachinery Carpenter, - Rough Terrain Construction, Crane -General Maintenance, - Painter/Painting, Machinery -Equipment Rough Terrain - Scaffolding Crane - - Install and/or Maintenance, Equipment - Scaffolding - Install and/or Service, Equipment - Scaffolding - Operations and/or Maintenance, Services, Environmental - Asbestos Abatement/Removal, Services, BrandSafway Services, LLC (heavy industrial industry) 2607 N Grandview Blvd Waukesha EquipmentEnvironmental - Scaffolding - Lead Abatement, - Install and/or Supplies Maintenance, - Industrial Equipment Insulation - InstallScaffolding and/or - Maintenance,Operations and/or Supplies Maintenance, - Services, Environmental - Asbestos Abatement/Removal, Services, Industrial - Corrosion Control, Services, Industrial - Pipeline, Coating Repair Services, Services, Industrial - Sandblasting, Supplies - Acid Brick - Install Brand Scaffold Services, Inc. 6001 Obispo Ave Long Beach and/or Maintenance, Supplies - Fire Brick/Refractory Brick - Install and/or Maintenance, Supplies -

Machinery - Snow Removal, Snow Plow - Operations, Services, Facilities - Lawns, Grounds and/or Garden BrightView Landscape Services, Inc. 980 Jolly Road, Suite 300 Blue Bell Maintenance, Landscaping, Services, Industrial - Agriculture, Pesticide Applicator/Spraying

Machinery - Excavating - Operations, Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Brown's Construction Service, Inc. 3736 Gilmore Ave Bakersfield Landscaping, Services, Staffing/Placement - General Laborers, Transportation, Road - Hauling Services

Construction, General - Concrete Construction, Construction, General - Concrete Pumping Services, Services, Brundage-Bone Concrete Pumping 6475 Downing Street Denver Industrial - Pumping Services, Lease Operator/Pumper

Buffalo Metrology Inc. 186 Colgate Avenue Buffalo Buffalo Metrology Inc. Services, Technical - Instrumentation - Meter Monitoring

Built Rite Fence Co Inc. 9110 Rose street Bellflower Construction,Contractor, General General - General - Engineering Contractor, Procurement Supplies and - Fence Construction - Install and/or(EPC), Maintenance Services, Intellectual - Chemical Engineering, Services, Intellectual - Civil Engineering, Services, Intellectual - Control Engineering, Services, Intellectual - Design and/or Drafting, Services, Intellectual - Electrical Engineering, Services, Intellectual - Burns & McDonnell Engineering, Inc. 9400 Ward Pkwy Kansas City Engineering Design, Services, Intellectual - Environmental Engineering, Services, Intellectual - Industrial

Cabral Roofing & Waterproofing Corp. 675 W Terrace Dr San Dimas Construction, General - Joint Sealing, Caulking and/or Waterproofing, Construction, General - Roofing/Roofer

Cal Empire Engineering Inc 628 E. Edna Place Covina Oil and Gas, Drilling - Directional Drilling / Slant Drilling Operations

California Access Scaffold, LLC 331 Vineland Ave City of Industry Equipment - Scaffolding - Install and/or Maintenance

California Auger Boring, Inc. 3030 E. Coronado St. Anaheim Machinery - Civil Directional Drilling - Operations

Machinery - Civil Directional Drilling - Operations, Oil and Gas, Drilling - Directional Drilling / Slant Drilling California Boring, Inc. 3030 E. Coronado St. Anaheim Operations

Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Land Surveying, Services, Intellectual - California Construction Surveying Inc. 100 E El Nido Rd El Nido California Construction Survey Surveying, Services, Intellectual - Topographic Surveying

251 CAMARILLO RANCH ROAD, 251 Contractor, General - General Contractor, Equipment - Telecommunication Transmission Equipment - Install CALIFORNIA INTERNET L.P. Camarillo Ranch Rd Camarillo GeoLinks and/or Maintenance

California Locating Service, Inc. 3030 E Coronado St Anaheim Construction,Services, Technical General - Locating - Civil Construction, of Utility Lines, Construction, Buried Cables General and/or - Concrete Pipelines Construction, Construction, General - Concrete Cutting/Sawing, Construction, General - Concrete Finishing/Surfacing, Construction, General - Demolition/Wrecking, Construction, General - Electrician, Construction, General - Pipeline California Spectra Instrumentation Inc. 21818 S Wilmington Ave #402, Suite 402 Carson Construction, Construction, General - Storage Tanks, Equipment - Boilers - Install and/or Maintenance,

California Traffic Control 3333 Long Beach Blvd Long Beach California Traffic Control Services, Facilities - Traffic Control/Flagging

California Trees Inc. 40044 Highway 49 Ste C1 Oakhurst Caltrees Inc. Construction,Services, Industrial General - Tree - Building Trimming Construction, and/or Clearing, Construction, Wood Chipping General - Civil Construction, Construction, General - Concrete Construction, Construction, General - Concrete Finishing/Surfacing, Construction, General - Demolition/Wrecking, Construction, General - Finishing Carpenter, Construction, General - Interior Design Cal Pacific Constructors 1525 3rd St Ste A205 Riverside Services, Construction, General - Pipeline Construction, Construction, General - Precast Concrete - Install

Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping, Services, Industrial - Land Cal State Tree Service 429 Chester Ave Bakersfield Clearing

Caltrol Inc. 1385 Pama Ln Ste 111 Las Vegas Construction,Supplier, No Onsite General Field - Civil Work Construction, - Industrial SuppliesConstruction, General - Concrete Construction, Construction, General - Concrete Cutting/Sawing, Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Concrete Paving, Construction, Transportation Infrastructure - Line Painting of Cal Valley Construction, Inc. 5125 N Gates Ave, #102 Fresno National Dispatching Roads and/or Parking Lots, Construction, Transportation Infrastructure - Roadwork/Road Maintenance,

Camblin Steel Service, Inc. 548 Gibson Dr Suite 150 Roseville Services, Industrial - Iron Work/Ironworker Construction, General - Epoxy and/or Polymer Coatings, Construction, General - Painter/Painting, Services, Environmental - Lead Abatement, Services, Industrial - Lining and/or Coating of Objects, Structures, and/or Capital Industrial Coatings, LLC. 141 East 141st Street Hammond Services,Equipment, Environmental Services, Industrial - Environmental - Sandblasting Conservation, Services, Environmental - Polychlorinated Biphenyl (PCB) Assessment and/or Consulting, Services, Intellectual - Confined Space Training, Services, Intellectual - Hazardous Materials (HAZMAT) Training, Services, Intellectual - Training Services, Services, Technical - Capstone Fire & Safety Management 2240 Auto Park Way Escondido Global Medical Response EquipmentConfined Space - Equipment Rescue, - Rental,Services, Oil Technical and Gas, -Servicing Fire Brigade - Oil, Water and Solids Separation, Services, Cleaning - Tank Cleaning, Services, Environmental - Dewatering Services, Services, Environmental - Environmental Consulting, Services, Environmental - Non-Hazardous Waste Management, Services, Environmental - Resin Carbon Supply Inc 8429 Eastern Ave. Bell Gardens Treatment/Restoration, Services, Environmental - Soil and/or Waterbody Remediation, Services, Environmental -

Carly Howell DBA DC Construction 1951 N Rogers Ave Clovis Contractor, General - General Contractor

C.A.R.P.I. U.S.A. Inc. 4370 Starkey Road, Suite 4D, Suite 4D Roanoke Contractor, General - General Contractor

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Carri Construction Inc. 730 W. Southern Avenue Orange Construction, General - Building Construction, Contractor, General - General Contractor

Services, Environmental - Environmental Drilling, Services, Environmental - Environmental, Services, Cascade Drilling, L.P. 22722 29th Dr SE Ste 228 Bothell Environmental - Soil and/or Waterbody Remediation, Services, Environmental - Soil Services/Soil Sampling

CASC Engineering and Consulting, Inc. 1470 E. Cooley Drive Colton Services, Environmental - Environmental Consulting, Services, Intellectual - Civil Engineering

Transportation, Road - General Trucking Services, Transportation, Road - Liquid Waste Hauling, Non- Catrans 9415 Palo Alto St Rancho Cucamonga Construction,Hazardous General - Construction Management, Construction, General - General Contractor/Project Management - Commercial and/or Industrial, Equipment - Appliances - Install and/or Maintenance, Services, Facilities - Industrial Plant Maintenance, Services, Facilities - Lawns, Grounds and/or Garden Maintenance, CBRE 2100 McKinney Ave Dallas Construction,Landscaping General - Painter/Painting, Contractor, General - General Contractor, Oil and Gas, Offshore - Blasting and/or Painting, Services, Cleaning - Tank Cleaning, Services, Environmental - Lead Abatement, Services, Facilities - Maintenance Technician/Handyman, Services, Industrial - Hydroblasting, Services, C.D. Lyon, Inc. 380 W Stanley Ave Ventura Construction,Industrial - Sandblasting, General - Civil Services, Construction, Industrial Construction, - Structural Welding,General - Services, Construction Industrial Consultant, - Welding Construction, Services General - Electrician, Construction, General - Underground Sewage Systems/Sewerage, Contractor, General - General Contractor, Equipment - Electric Power Systems - Install and/or Maintenance, Mining - Environmental CDM Smith Inc. 12400 Coit Road, Suite 400 Dallas Camp, Dresser & McKee Inc. Services, Oil and Gas, Geophysical/Seismic - Seismic Consultant, Services, Environmental - Consulting,

Machinery - Heavy Equipment - Operations, Services, Environmental - Environmental Conservation, Services, Cecil Logging, Inc. 27572 Matterhorn Drive Lake Arrowhead Allied Tree Service Industrial - Tree Trimming and/or Clearing, Wood Chipping

Cell-Crete Corporation 135 Railroad Ave Monrovia Construction, General - Concrete Construction, Construction, General - Concrete Finishing/Surfacing

Cemtek Environmental 3041 South Orange Avenue Santa Ana Construction,Services, Environmental General - Building - Environmental, Construction, Services, Construction, Environmental General - Sampling - Civil Construction, Services Construction, General - Demolition/Wrecking, Construction, General - Storage Tanks, Construction, General - Underground Sewage Systems/Sewerage, Machinery - Excavating - Operations, Services, Cleaning - Tank Cleaning, Services, Central Environmental, Inc. 229 E Whitney Rd Anchorage Environmental - Asbestos Assessment/Survey and/or Consulting, Services, Environmental - Emergency

Services, Facilities - Fumigation/Extermination/Pest Control Services, Services, Facilities - Lawns, Grounds Central Sierra Enterprise, Inc. 54566 RD 200 North Fork Central Sierra Pest Control and/or Garden Maintenance, Landscaping, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Services, Industrial - Pumping Services, Services, Industrial - Pumping Services, Water Transfer, Supplies - Central State, Inc 31866 Auberry Rd Auberry Portable Toilets - Rentals

Services, Environmental - Asbestos Assessment/Survey and/or Consulting, Services, Environmental - CES Environmental Consultants 6741 Friends Ave Suite B Whittier CES Environmental Consultants Services,Environmental Industrial Consulting, - Electrical Services, Instrumentation, Environmental Services, - Mold Industrial Assessment/Sampling - Instrumentation and/or and ConsultingElectrical, Services, Intellectual - Control Engineering, Services, Technical - Instrumentation and Electrical Analyzers, Supplies - Automation Systems - Install and/or Maintenance, Supplies - Control Systems - Install and/or Maintenance, CGM Engineering, Inc. 4954 Alta Canyada Rd La Canada Flintridge Supplies - Instruments and Instrument Systems - Install and/or Maintenance, Supplies - Programmable Logic Services, Environmental - Consulting, Permits, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Quality Assurance (EQA), Services, Environmental - Environmental Site Chambers Group Inc 5 Hutton Center Drive,Suite 750 Santa Ana Environmental Consultant Assessments (Phase I, II and/or III), Services, Environmental - Soil and/or Waterbody Remediation

Channel Islands Roofing, Inc 4155 N. Southbank Road Oxnard Construction, General - Joint Sealing, Caulking and/or Waterproofing

Chasin Goat Grazing LLC 1041 Vallejo St Santa Rosa Chasin Goat Grazing Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping

CHI Transportation 3679 Bowen Rd. Howell Transportation, Road - General Trucking Services

CHW Enterprises 1331 Baltimore St Longview Industrial Electric Machinery Equipment - Electric Motors - Install and/or Maintenance

Circle Wood Services, Inc 3670 W. Temple Ave., Suite 273 Pomona Services, Intellectual - Information Technology (IT) Consultant

City Lift Building Services, Inc. 2258 Pomona Blvd Pomona City Lift Building Services, Inc. Construction, General - Interior Design Services Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Oil and Gas, Servicing - Wireline Services, Services, Industrial - Electrical Construction and/or Repair, Services, Inspections City Light & Power 2301 Valley Blvd Pamona and Testing - Utility/Hydro Pole Inspection (Ground-Level), Supplies - Transformers - Install and/or Maintenance

Civil Substations Inc. 6736 N Bethel Ave Clovis Construction, General - Civil Construction,Construction Construction, General - Concrete Construction, Construction, General - Pier and Grade Beam Foundation, Construction, General - Piling, Construction, General - Piling/Deep Foundation, Machinery - Crawler Crane, Rigging/Rigger - Operations, Machinery - Mobile Crane Rigging/Rigger - CJ Drilling, Inc. 19N041 Galligan Rd Dundee Operations, Machinery - Rough Terrain Crane, Rigging/Rigger - Operations, Machinery - Telescopic Crane,

CJ Tree Care Inc. 67 Sierra Vista Pl San Jose Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Construction, General - Steel Erection and/or Assembly, Contractor, General - General Contractor, CLARK STEEL FABRICATORS, INC 12610 Vigilante Rd Lakeside Construction,Manufacturer, General No Onsite - Painter/Painting, Field Work - Fabricator Services, Environmental - Lead Abatement, Services, Industrial - Lining and/or Coating of Objects, Structures, and/or Equipment, Services, Industrial - Sandblasting, Services, Industrial - Storage Tank Liners and/or Coatings - Install and/or Maintenance, Supplies - Fireproofing/Firestopping - Install CL Coatings, LLC 17315 Ashland Ave East Hazel Crest Equipmentand/or Maintenance - Storage Tanks - Install and/or Maintenance, Equipment - Storage Tanks - Removal/Demolition, Machinery - Excavating - Operations, Machinery - Hydro Excavation - Operations, Road Transport - Vacuum Truck Services, Services, Cleaning - Mobile Steam Cleaning, Services, Cleaning - Tank Cleaning, Services, Clean Harbors Environmental Services Inc. 42 Longwater Dr Norwell Environmental - Consulting, Permits, Services, Environmental - Emergency Response, Services, Environmental -

Clear Cloud Solutions 1221 E 8th St Upland Supplies - Security Systems - Install and/or Maintenance

CLEAResult Western Operations 80 Grand Avenue, Suite 850 Oakland Services, Intellectual - Professional Engineer

Cleaveland/Price Inc. 14000 Route 993 Trafford Cleaveland/Price Inc. Construction,Supplies - Electrical General Switchgear - Electrician, - Install Equipment and/or Maintenance- Electric Generators - Install and/or Maintenance, Equipment - Electric Power Systems - Install and/or Maintenance, Oil and Gas, Offshore - Electrical Instrumentation - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Services, Industrial - Electrical CLE ELECTRIC, INC. 1500 240th St Harbor City Instrumentation, Services, Industrial - Instrumentation and Electrical, Services, Industrial - Machine, Electrical

CMAC Construction Company 1450 Santa Fe Ave Long Beach Oil and Gas, Pipelines - DOT Covered Tasks

Transportation, Air - Aerial Geophysical Surveying Services, Transportation, Air - Aerial Patrol/Inspection, Coastal Helicopters, LLC 2015 McKinley Ave Ste F4 La Verne Transportation, Air - Aerial Photography, Transportation, Air - Charter Helicopter Services

Coast Diving Service, Inc 305 N Beacon St San Pedro Services, Technical - Commercial and/or Professional Diving Services

Coast Grading Company 105 Grande Vista St Oak View Machinery - Heavy Equipment - Operations

Coldwater Fence Inc. 996 S Foisy St San Bernardino Contractor, General - General Contractor, Services, Facilities - Industrial Plant Shutdown/Turnaround

Construction, General - Demolition/Wrecking, Machinery - Excavating - Operations, Services, Environmental - Coleman Environmental Engineering, Inc. 85 E. Hwy. 20 Upper Lake Soil and/or Waterbody Remediation

Colibrì Ecological Consulting, LLC 9493 N Fort Washington Rd, Ste 108 Fresno Services, Environmental - Environmental Conservation, Services, Environmental - Wetland Delineation Colt Services of Louisiana, LLC; Colt Illinois, LLC; Colt Group, LLC; Colt Colt Services, LLC 626 NORTH 16TH STREET LA PORTE Services LP Services, Industrial - Leak Repair Services, Environmental - Lead Abatement, Services, Industrial - Lining and/or Coating of Objects, Structures, and/or Equipment, Services, Industrial - Sandblasting, Services, Industrial - Storage Tank Liners and/or Coatings Commerce Coating Services, Inc. 20725 S Western Ave Torrance - Install and/or Maintenance

Supplies - Doors - Install and/or Maintenance, Supplies - Overhead Doors / Garage Doors - Install and/or Commercial Door Company Inc. 1374 E 9th St Pomona Maintenance Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, General - Concrete Finishing/Surfacing, Construction, Transportation Infrastructure - Asphalt Commercial Paving & Coating Inc. 2809 West Avenue 37 Los Angeles Paving, Construction, Transportation Infrastructure - Line Painting of Roads and/or Parking Lots

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Commonwealth Associates, Inc. 2700 W Argyle St Jackson Services, Intellectual - Professional Engineer

Community Tree Service 416 Salinas Rd Royal Oaks Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Concorde Specialty Gas Inc. 36 Eaton Rd Ste 1 Eatontown Services, Industrial - Degassing and Vapor Control

Equipment - Heat Exchangers - Install and/or Maintenance, Services, Inspections and Testing - Eddy Current Conco Services LLC. 530 Jones St. Verona Construction,Array (ECA) General - Concrete Construction, Construction, General - Construction Consultant, Construction, General - Construction Management, Construction, General - Epoxy and/or Polymer Coatings, Construction, General - Joint Sealing, Caulking and/or Waterproofing, Construction, General - Steel Erection and/or Assembly, Concrete West Construction, Inc. 1733 S Douglass Rd Ste I Anaheim Seismic West Construction Inc Construction, General - Structural Repair, Contractor, General - General Contractor Services, Inspections and Testing - Infrared, Services, Inspections and Testing - Thermographic Testing, Services, Technical - Instrumentation - Meter Monitoring, Supplies - Test Equipment - Install and/or Condition Monitoring Services Inc 1836 Huasna Rd Arroyo Grande Maintenance, Supplies - Vibration Monitors - Install and/or Maintenance

Construction, General - Civil Construction, Construction, General - Concrete Pumping Services, Contractor, Condon-Johnson & Associates, Inc. 480 Roland Way , Ste 200 Oakland General - General Contractor Construction, General - Construction Consultant, Services, Intellectual - Civil Engineering, Services, Intellectual - Drafting, Services, Intellectual - Logistics Management Consultant, Services, Intellectual - Project Management Conekt2 Inc. 8310 Miramar Mall Ste A San Diego C2 Group Consultant, Services, Intellectual - Surveying, Transportation, Air - Remote Control Aircraft

Connolly-Pacific Co. 1925 W Pier D St Long Beach Oil and Gas, Offshore - Marine Construction, Oil and Gas, Offshore - Marine Services

CONNORP81 Inc. 6005 Tyler St Riverside Connor Concrete Cutting and Coring Construction, General - CivilConcrete Construction, Core Drilling/Boring, Construction, Construction, General - Concrete General Cutting/Sawing,- Concrete Cutting/Sawing Construction, General - Concrete Finishing/Surfacing, Construction, General - Pipeline Construction, Construction, General - Precast Concrete - Install and/or Maintenance, Construction, General - Underground Sewage Conspec Incorporated 155 Hansen Rd Lee Vining Construction Specialty Systems/Sewerage, Contractor, General - General Contractor, Equipment - Underground Electric Utility (Lines,

Construction Hardware Co. 216 Pacific St Pomona Construction Hardware Co. Supplier, No Onsite Field Work - Doors, Frames, Hardware

Construction Helicopters, Inc. 3679 Bowen Rd Howell Oil and Gas, Offshore - Offshore Transportation

Con Tec Construction Inc. 29830 Mayflower Dr Canyon Lake Contractor, General - General Contractor

Construction, General - Concrete Repair/Maintenance, Construction, General - Epoxy and/or Polymer Coatings, Contech Services, Inc. 1502 S Santa Fe St Santa Ana Contech Services, Inc. Construction, General - Joint Sealing, Caulking and/or Waterproofing, Construction, General - Structural Repair

Conterra Construction 2834 Hamner Ave #528 Norco EquipmentServices, Intellectual - Cathodic - ProtectionRight-of-Way Systems - Install and/or Maintenance, Equipment - Electric Batteries - Install and/or Maintenance, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Motors - Install and/or Maintenance, Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Contra Costa Electric Inc. 825 Howe Rd Martinez Construction,Electrostatic Precipitator General - Electrician, (ESP) - Install Equipment and/or Maintenance, - Heating, Ventilation Equipment and - AirOverhead Conditioning Electric (HVAC) Utility Systems(Power Pole, - Install and/or Maintenance, Services, Cleaning - Air Duct/Ductwork Cleaning, Services, Inspections and Testing - Air Duct/Ductwork Inspection, Services, Inspections and Testing - HVAC Testing, Adjusting and Balancing Control Air Enterprises LLC 5200 E la Palma Ave Anaheim (TAB), Services, Intellectual - Duct Design (HVAC)

Construction, General - General Contractor/Project Management - Commercial and/or Industrial, Equipment - Cooling Tower Depot, Inc. 651 Corporate Cir Golden Cooling Towers - Install and/or Maintenance

CORMETECH, Inc. 11707 Steele Creek Rd Charlotte STEAG Energy Services, LLC. Construction,Services, Environmental General - Electrician, - Environmental Construction, Consulting, General Services, - Flooring Environmental - Install and/or - Environmental Maintenance, Construction, General - Masonry/Brickwork/Bricklayer, Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance, Services, Technical - Plumbing/Plumber, Supplies - Doors - Install and/or Cornerstone Development Company 17615 Alder St Ste A Hesperia Cornerstone Construction Company Maintenance

Cosco Fire Protection, Inc. 29222 Rancho Viejo Rd, Suite 205 San Juan Capistrano Services, Inspections and Testing - Fire Suppression Systems - Inspection and/or Testing

Co's Traffic Control, Inc. 1221 S 26th St San Diego Services, Facilities - Traffic Control/Flagging, Services, Technical - Safety

Construction, General - Building Construction, Services, Intellectual - Acoustical/Acoustic Engineering, Services, Cotton Commercial USA, Inc 5443 Katy Hockley Cut Off Rd Katy Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Information Technology (IT) Consultant

Construction, General - Epoxy and/or Polymer Coatings, Construction, General - Joint Sealing, Caulking and/or Courtney Inc 16781 Millikan Ave Irvine Waterproofing, Construction, General - Roofing/Roofer

Construction, General - Construction Consultant, Machinery - Excavating - Operations, Services, Industrial - Cox and Cox Construction Inc. 8837 Airport Rd. Redding Same MachineryElectrical /Power - Mobile Generation Crane - Maintenance, Machinery - Mobile Crane - Operations, Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane Rigging/Rigger - Operations, Machinery - Mobile Crane, Superlift Capability - Crane Rental service Inc, 1115 West Ranch Maintenance, Machinery - Rough Terrain Crane - Rentals, Machinery - Rough Terrain Crane, Rigging/Rigger - Crane Rental Service Inc Road TEMPE MachineryOperations, - MachineryMobile Crane - Telescopic - Operations, Crane Machinery - Rentals, - MobileMachinery Crane - Telescopic - Rentals, MachineryCrane, Rigging/Rigger - Mobile Crane - Rigging/Rigger - Operations, Machinery - Rough Terrain Crane - Rentals, Machinery - Rough Terrain Crane, Rigging/Rigger - Operations, Machinery - Telescopic Crane - Rentals, Machinery - Telescopic Crane, Crane Rental Service, Inc. 1901 W. Collins Avenue Orange Crane Rental Service, Inc Rigging/Rigger - Operations, Machinery - Truck-Mounted Crane - Rentals, Machinery - Truck-Mounted Crane, Services, Cleaning - Drain Cleaning, Services, Technical - Plumbing/Plumber, Supplies - Backflow Prevention Devices - Install and/or Maintenance, Supplies - Portable Toilets - Rentals, Transportation, Road - Septic Waste Crecelius, Inc. 345 N Main St Blythe C B Plumbing Services Construction, General - Piling, Construction, Transportation Infrastructure - Shipbuilding/Shipwright, Services, Cleaning - Tank Cleaning, Services, Technical - Commercial and/or Professional Diving Services, Crescent Diving & Contracting, Inc 15817 Hwy 89, 135 Main Street Crescent Mills CDCI Transportation, Marine - Docks - Install and/or Maintenance Construction, General - Electrical Construction, Construction, General - Electrician, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Power Systems - Install and/or Maintenance, Cross Price Electric, INC 1681 E Date Pl San Bernardino Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance

Crown Fence Co 12118 Bloomfield Ave Santa Fe Springs Supplies - Fence - Install and/or Maintenance

Crown Technical Systems Corporation 13470 Philadelphia Avenue, California Fontana EquipmentManufacturer, - Cathodic No Onsite Protection Field Work Systems - Original - Install Equipment and/or Maintenance, Manufacturer Equipment (OEM) - Electric Batteries - Install and/or Maintenance, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Motors - Install and/or Maintenance, Equipment - Telecommunication Transmission Equipment - Install and/or CSI Electrical Contractors 10623 Fulton Wells Ave., California Santa Fe Springs Services,Maintenance, Environmental Services, Environmental - Asbestos Assessment/Survey - Polychlorinated Biphenyland/or Consulting, (PCB) Assessment Services, and/orEnvironmental Consulting, - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Hazardous Waste/Chemical Waste Management Services, Services, Environmental - Mold Abatement/Removal, Services, Environmental - CTI Environmental, Inc. 711 E Wardlow Rd Ste 203 Long Beach CTI Environmental, Inc. Mold Assessment/Sampling and/or Consulting, Services, Environmental - Soil and/or Waterbody Remediation,

Cuevas Fencing Company 1182 W 2nd St Pomona Supplies - Fence - Install and/or Maintenance

Culbert Installs Doors, Inc. PO Box 69 Rio Linda Cubert Installs Doors, Inc. Supplier, No Onsite Field Work - Doors, Frames, Hardware

Cunningham-Davis Corporation 35600 Singleton Rd Calimesa Construction, General - Civil Construction, Construction, General - Concrete Construction

Services, Industrial - Electrical Instrumentation, Supplies - Instruments and Instrument Systems - Install and/or Cupertino Electric, Inc. 1132 N 7th St San Jose Construction,Maintenance General - Building Construction, Construction, General - Epoxy and/or Polymer Coatings, Construction, General - Finishing Carpenter, Construction, General - Flooring - Install and/or Maintenance, Construction, General - Interior Design Services, Construction, General - Joint Sealing, Caulking and/or Custom Modular Services Corporation 19271 Fiji Ln Huntington Beach Waterproofing, Construction, General - Painter/Painting, Contractor, General - General Contractor, Services,

Services, Intellectual - Civil Engineering, Services, Intellectual - Environmental Engineering, Services, Intellectual CWE 1561 E Orangethorpe Ave, Ste 240 Fullerton CWE Corp - Professional Engineer, Services, Intellectual - Surveying

Dambacher Construction Inc. 22353 Tollhouse Rd Clovis EquipmentMachinery - ExcavatingOverhead Electric - Operations Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Danella Power Services, Inc. 2290 Butler Pike Plymouth Meeting Danella Power Services, Inc. Transformers - Install and/or Maintenance

Data Clean Corporation 740 E Debra Ln Anaheim Services, Cleaning - Janitorial Services

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Davey Tree Surgery Company 2617 South Vasco Road Livermore Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Construction, General - Steel Erection and/or Assembly, Services, Intellectual - Engineering Design, Services, DAVNER Construction & Engineering Services Inc 11063 N Micke Grove Rd Lodi Intellectual - Project Management Consultant

DBKO Design+Build 3406 Via Lido Ste. 1A #24 Newport Beach DBKO Design+Build EquipmentContractor, -General Battery -Systems General -Contractor Install and/or Service, Equipment - Electric Batteries - Install and/or Maintenance, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance, Supplies - Electrical Switchgear and Protective DC Group Inc. 1977 W River Rd Minneapolis Construction,Equipment - Install General and/or - Pier Service, and Grade Supplies Beam - Uninterruptible Foundation, Equipment Power Supply/Source - Overhead Electric (UPS) Utility- Install (Power and/or Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Machinery - Excavating - Operations, Machinery - Heavy Equipment - Operations, DCXcavation, Inc. 10641 Prospect Avenue Santee Machinery - Heavy Equipment - Rentals, Oil and Gas, Drilling - Oil and Gas Well Drilling Operations, Services,

Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance, Services, Deans Plumbing and Heating, Inc. 192 east line street bishop Technical - Plumbing/Plumber

Services, Intellectual - Mechanical Engineering, Services, Intellectual - Professional Engineer, Services, DEKOMTE de Temple LLC 885 FRANKLIN GATEWAY SE, Suite 335 MARIETTA Intellectual - Surveying, Supplies - Industrial Insulation - Install and/or Maintenance

Manufacturer, No Onsite Field Work - Original Equipment Manufacturer (OEM), Supplies - Transformers - Install Delta Star Inc. 1018 Dillard Dr Forest and/or Maintenance

Equipment - Equipment - Rental, Machinery - Heavy Equipment - Rentals, Oil and Gas, Servicing - Oilfield DenBeste Water Solutions Inc. 810 DenBeste Court, 107 Windsor Equipment - Rental, Supplies - Supplies and/or Equipment - Rental

Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Desert Construction Services Inc. 17161 Lilac St Hesperia Services,Construction, Environmental General - Demolition/Wrecking, - Consulting, Permits, Construction, Services, Environmental General - Underground - Environmental Sewage Consulting, Systems/Sewerage Services, Intellectual - Civil Engineering, Services, Intellectual - Consulting Engineer, Services, Intellectual - Control Engineering, Services, Intellectual - Drafting, Services, Intellectual - Engineering Design, Services, Intellectual - DeWalt Corporation 1930 22nd Street Bakersfield Environmental Engineering, Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Land

Dewey Services Inc. 939 E. Union st. Pasadena Dewey Pest Control Services, Facilities - Fumigation/Extermination/Pest Control Services

Diamondback Sawing and Coring, Inc 8449 Cherry Ave , Suite C Fontana MachineryConstruction, - Crawler General Crane, - Concrete Rigging/Rigger Cutting/Sawing, - Operations, Oil and Machinery Gas, Drilling - Mobile - Drilling Crane Consultant Rigging/Rigger - Operations, Machinery - Rough Terrain Crane, Rigging/Rigger - Operations, Machinery - Telescopic Crane, Rigging/Rigger - Operations, Machinery - Truck-Mounted Crane, Rigging/Rigger - Operations, Machinery - Wheel-Mounted Dielco Crane Service, Inc 5454 Arville St Las Vegas Crane, Rigging/Rigger - Operations

Dietz Hydroseeding 15745 Kadota Street Sylmar Services, Environmental - Erosion Control

Digital Mapping, Inc. 21062 Brookhurst St Ste 101 Huntington Beach Transportation, Air - Aerial Photography

Direct Painting & Decorating, Inc. 17400 Chestnut St City of Industry Construction, General - Painter/Painting

Dirt Patrol Inc. 9614 Oleander Ave Fontana Transportation, Road - Dump Truck Services

Dirt Works Engineering, Inc. 7435 Balcom Canyon Rd Somis Dirt Works Engineering, Inc. Machinery - Excavating - Operations, Mining - Underground Excavation, Services, Intellectual - Civil Engineering

Machinery - Excavating - Operations, Services, Facilities - Industrial Plant Maintenance, Services, Facilities - Dirt Works Utility Services Inc 7435 Balcom Canyon Rd Somis Industrial Plant Shutdown/Turnaround

Discount Tree Care Inc. 6022 Norma Ln San Bernardino Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Diversified Inspections - ITL Inc. 3405 Stanford Dr NE Albuquerque IIA Field Services Services, Inspections and Testing - Heavy Equipment Inspection

Equipment - Cooling Towers - Install and/or Maintenance, Equipment - Heating, Ventilation and Air Conditioning Diversified Thermal Services, Inc. 1220 N Barsten Way Anaheim (HVAC) Systems - Install and/or Maintenance, Services, Industrial - General Mechanical Contractor/Millwright

Diversified Utility Services Inc. 3105 Unicorn Rd Bakersfield Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance

D K Enterprises, Inc 520 S 3rd St Patterson King's Roofing Construction, General - Joint Sealing, Caulking and/or Waterproofing, Construction, General - Roofing/Roofer

Oil and Gas, Geophysical/Seismic - Seismic Data Acquisition, Services, Intellectual - Electrical Engineering, Doble Engineering Company 123 Felton St Marlborough Services, Intellectual - Project Management Consultant, Supplies - Test Equipment - Install and/or Maintenance

Don's Service Connection 299 N Altadena Dr Ste 140 Pasadena Construction, General - Electrician

Dorfmeier Masonry, Inc. 4685 E Hedges Ave Fresno Construction, General - CivilMasonry/Brickwork/Bricklayer Construction, Construction, General - Concrete Construction, Construction, General - Underground Sewage Systems/Sewerage, Construction, General - Water/Sewer Piping, Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Concrete Paving, Doty Bros. Underground Utilities Division 11232 Firestone Blvd Norwalk Construction,Contractor, General General - General - Civil Construction, Contractor, Machinery Construction, - Excavating General - - Concrete Operations, Construction, Machinery Construction,- Hydro Excavation - General - Pipeline Construction, Construction, General - Underground Sewage Systems/Sewerage, Construction, General - Water/Sewer Piping, Construction, Transportation Infrastructure - Asphalt Paving, Doty Bros. Water Division 11232 Firestone Blvd Norwalk Construction, GeneralTransportation - Civil Construction,Infrastructure Construction,- Concrete Paving, General Contractor, - Concrete General Construction, - General Construction, Contractor, General - Pipeline Construction, Construction, General - Underground Sewage Systems/Sewerage, Construction, General - Water/Sewer Piping, Construction, Transportation Infrastructure - Asphalt Paving, Doty Brothers Equipment Company 11232 E Firestone Blvd. Norwalk Construction, Transportation Infrastructure - Concrete Paving, Contractor, General - General Contractor,

Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Doug Ross, Inc. 23494 Road 196 Lindsay Central Valley Asphalt Services,Concrete PavingInspections and Testing - Instrumentation - Measurement and/or Calibration, Services, Intellectual - Field Training, Services, Intellectual - Training Services, Supplies - Control Systems - Install and/or Maintenance, Supplies - Control Valves - Install and/or Maintenance, Supplies - Distributed Control Systems (DCS) - Install Drake Controls LLC 8731 Fallbrook Dr Houston and/or Maintenance, Supplies - Instruments and Instrument Systems - Install and/or Maintenance, Supplies -

Drapeau Enterprises LLC 5650 Madras St Washoe Valley Nationwide Crane Training Construction,Services, Inspections General and - Concrete Testing Construction,- Straddle Carrier/Crane Construction, Inspection General - Demolition - Blasting/Explosives, Construction, General - Pier and Grade Beam Foundation, Construction, General - Piling, Construction, General - Underground Sewage Systems/Sewerage, Construction, General - Water/Sewer Piping, Construction, Drill Tech Drilling & Shoring Inc. 2200 Wymore Way Antioch Transportation Infrastructure - Rail Bridge Construction, Construction, Transportation Infrastructure - Railroad

DSC Construction Inc. 1130 Palmyrita Ave Ste 340 Riverside Construction, General - Demolition/Wrecking

Services, Facilities - Interior Landscaping, Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Duley's Landscaping Inc. 13196 E Butler Ave Sanger Landscaping

Dumarc Corporation 3564 E Enterprise Dr Anaheim Services, Facilities - Industrial Plant Maintenance

2335 E Cherry Industrial Cir, 2335 E. Cherry Duthie Electric Service Corp Industrial Circle Long Beach Duthie Power Services Equipment - Electric Generators - Install and/or Maintenance

Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Surveying, Services, Intellectual - D Woolley & Associates, Inc. 2832 Walnut Ave, Suite A Tustin Topographic Surveying, Transportation, Air - Aerial Photography

Dykstra Enterprises, Inc. 6201 Enterprise Dr Diamond Springs Forest Technology Solutions Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping Services, Industrial - Electrical Instrumentation, Services, Industrial - Instrumentation and Electrical, Supplies - Instruments and Instrument Systems - Install and/or Maintenance, Supplies - Pneumatic Instrumentation - Install Dynalectric Company 9505 Chesapeake Drive San Diego Oiland/or and Maintenance Gas, Pipelines - Pipeline Inspection, Services, Industrial - Instrumentation and Electrical, Services, Inspections and Testing - Cathodic Protection Inspections, Services, Inspections and Testing - Civil, Services, Inspections and Testing - Coating/Lining Inspection and/or Quality Assurance, Services, Inspections and Testing E2 Consulting Engineers Inc 2100 Powell St Ste 850 Emeryville - Hydrostatic Testing/Pressure Testing, Services, Inspections and Testing - Inspection, Services, Inspections

Construction, General - Electrical Construction, Services, Inspections and Testing - Electrical, Supplies - E4A Solutions, LLC 13811 Cullen Blvd Houston Transformers - Install and/or Maintenance

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Services, Inspections and Testing - Air Duct/Ductwork Inspection, Services, Inspections and Testing - HVAC Eagle Systems International 28436 Satellite Street Hayward Testing, Adjusting and Balancing (TAB), Supplies - Lighting - Install and/or Maintenance

Eagle Trucking and Crane Services, Inc. 700 Majors Ct Bakersfield Construction,Transportation, General Road - -General Electrician, Trucking Equipment Services - Industrial Equipment - Install and/or Service, Services, Intellectual - Electrical Engineering, Services, Intellectual - Mechanical/Electrical Engineering, Supplies - Control Panels - Install and/or Service, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Electrical Eaton Corporation 1000 Eaton Blvd Beachwood Eaton Engineering Services & Systems Switchgear and Protective Equipment - Install and/or Service, Supplies - Lightning Arrestors - Install and/or

ECM PECO Inc 5238 Rivergrade Road Irwindale Services,Construction, Environmental General - Electrician - Consulting, Permits, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental, Services, Environmental - Hazardous Waste/Chemical Waste Management Services, Services, Environmental - Soil and/or Waterbody Remediation, Services, Environmental - Soil Eco & Associates, Inc. 18231 Irvine Blvd Ste 204 Tustin Environmental Consulting Services,Services/Soil Cleaning Sampling - Industrial Cleaning, Services, Cleaning - Tank Cleaning, Services, Environmental - Emergency Response, Services, Environmental - Environmental, Services, Environmental - Hazardous Waste/Chemical Waste Management Services, Services, Environmental - Non-Hazardous Waste Management, Ecology Control Industries Inc. 15707 S Main St Gardena EquipmentServices, Environmental - Overhead Electric - Spill Cleanup,Utility (Power Services, Pole, IndustrialPower Line) - Chemical - Install and/or Services, Maintenance, Services, Technical Services, -Industrial - Electrical Construction and/or Repair, Services, Technical - Fiber Optics, Supplies - Control Systems - Install and/or Maintenance, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Lightning Arrestors EC Source Services LLC 1138 N Alma School Rd, Suite 220 Mesa - Install and/or Maintenance, Supplies - Protective Relays - Install and/or Maintenance, Supplies - Transformers -

Ed Anglemyer & Sons 1190 W. Gladstone St. Azusa Anglemyer Crane Rental Machinery - Heavy Equipment - Rentals Construction, General - Electrician, Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Edison Power Constructors, Inc. 3450 N. Higley Rd Mesa Electric Utility (Lines, Civil Works) - Install and/or Maintenance

EDM International, Inc. 4001 Automation Way Fort Collins Services, EnvironmentalIntellectual - Consultant - Consulting, Services, Permits, Services, Services, Intellectual Intellectual - Professional - Civil Engineering, Engineer Services, Intellectual - Drafting, Services, Intellectual - Electrical Engineering, Services, Intellectual - Environmental Engineering, Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Mechanical Engineering, Services, EDM Services 4100 Guardian Street, Suite 250 Simi Valley Intellectual - Surveying

Contractor, General - General Contractor, Services, Facilities - Industrial Plant Maintenance, Services, Facilities - E. E. Electric, Inc. PO Box 465 Mira Loma Construction,Industrial Plant General Shutdown/Turnaround - Demolition/Wrecking, Contractor, General - General Contractor, Equipment - Storage Tanks - Install and/or Maintenance, Machinery - Excavating - Operations, Oil and Gas, Drilling - Drilling Consultant, Oil and Gas, Drilling - Oil and Gas Well Drilling Operations, Services, Environmental - Environmental El Capitan Environmental Services 11080 Tuxford Street Sun Valley Drilling, Services, Environmental - Environmental, Services, Environmental - Hazardous Waste/Chemical Waste

Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Eldorado Excavation Incorporated PO Box 3290 Clovis Construction,Concrete Paving, General Machinery - Electrician, - Excavating Equipment - Operations - Electric Power Systems - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Services, Industrial - Electrical /Power Generation, Services, Industrial - Electrical Construction and/or Repair, Services, Industrial - Machine, Eldridge Electric & Son Inc. 169 E. Line St Bishop Construction,Electrical Wiring, General Services, - Electrician, Technical Construction, - Electrical, VoiceGeneral Data - Engineering Wiring Procurement and Construction (EPC), Contractor, General - General Contractor, Equipment - Cathodic Protection Systems - Install and/or Maintenance, Equipment - Photovoltaic Systems / Solar Panels - Install and/or Maintenance, Equipment - Elecnor Belco Electric, Inc. 14320 Albers Way Chino Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Services, Industrial - Electrical

Electrical Consultants, Inc. 3521 Gabel Road Billings Services, IndustrialIntellectual - Electrical- Electrical Construction Engineering and/or Repair, Services, Inspections and Testing - Instrumentation - Measurement and/or Calibration, Supplies - Control Systems - Install and/or Maintenance, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Instruments and Instrument Systems - Install and/or Electrical Systems Testing LLC 16458 Bolsa Chica St #233 Huntington Beach Electrical Systems Testing EquipmentMaintenance, - Electric Supplies Batteries - Meter - ProversInstall and/or - Install Maintenance, and/or Maintenance, Equipment Supplies - Electric - Protective Generators Relays - Install - Install and/or and/or Maintenance, Equipment - Electric Motors - Install and/or Maintenance, Oil and Gas, Offshore - Electrical Instrumentation - Install and/or Maintenance, Oil and Gas, Servicing - Wireline Services, Services, Electric Power Systems International, Inc. 15 Millpark Ct Maryland Heights Environmental - Polychlorinated Biphenyl (PCB) Assessment and/or Consulting, Services, Industrial - Electrical Construction, General - Electrician, Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Photovoltaic Systems / Solar Panels - Install and/or Maintenance, Supplies - Electrical Switchgear - Install Elite Electric 9415 Bellegrave Ave Riverside Equipmentand/or Maintenance - Electric Generators - Install and/or Maintenance, Equipment - Electric Power Systems - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Services, Industrial - Electrical Instrumentation, Services, Industrial - Instrumentation and Electrical, Services, Industrial - Machine, Electrical Elite Electrical Construction Services Inc. 9375 Archibald Ave Ste 601 Rancho Cucamonga Wiring, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Instruments and Instrument

Elite Landscape Construction 2972 Larkin Ave Clovis Elite Landscape Construction, Inc. Construction, General - Piling/Deep Foundation

Ellis Fence Co. 28633 US HIGHWAY 58 BARSTOW Construction,Supplies - Fence General - Install - Storage and/or MaintenanceTanks, Construction, General - Underground Sewage Systems/Sewerage, Construction, General - Water/Sewer Piping, Equipment - Pumps - Install and/or Maintenance, Services, Environmental - Waste Treatment, Services, Environmental - Water Treatment, Services, Industrial - Ellison Environmental, Inc. 2385 Precision Dr Arroyo Grande Hydroblasting, Services, Industrial - Machining, Pumps and Blowers, Services, Industrial - Storage Tank Liners

Emerald Transformer Western States 7850 Collin McKinney Pkwy, Suite 200 McKinney Emerald Transformer Western States Services, Environmental - Recycling Services

Services, Inspections and Testing - Fire Suppression Systems - Inspection and/or Testing, Services, Technical - EMF Fire Solutions 14250 Central Ave. , Unit A Chino Fire Protection, Supplies - Heavy Equipment Fire Suppression Systems - Install and/or Maintenance

Empire Demolition, Inc. 1623 Leeson Ln Corona Construction, General - Demolition/Wrecking Machinery - Heavy Equipment - Maintenance, Services, Industrial - Iron Work/Ironworker, Services, Industrial - Machining, Field (Onsite), Services, Industrial - Rigging and Lifting Services, No Cranes, Services, Industrial - Emrick Machinery Sales Inc 2626 E Jensen Ave Fresno Emrick Machinery Sales Inc Rigging Services

Services, Cleaning - Energized Electrical Equipment Cleaning, Services, Industrial - Lining and/or Coating of Energized Substation Maintenance Inc. P.O. Box 2345 Apple Valley Objects, Structures, and/or Equipment, Services, Industrial - Sandblasting

Energy Efficiency Inc 595 S Bluff St Ste 5 Saint George Supplier, No Onsite Field Work - Supplies, General

EnerSys 2366 Bernville Rd Reading MachineryEquipment - ExcavatingElectric Batteries - Operations, - Install Services,and/or Maintenance Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Erosion Control, Services, Environmental - Hazardous Waste/Chemical Waste Management Services, Services, Environmental - Soil and/or Waterbody Remediation, Services, Engineering/Remediation Resources Group Inc. 4585 Pacheco Blvd, Suite 200 Martinez Environmental - Soil Services/Soil Sampling, Services, Environmental - Waste Treatment, Supplies -

Transportation, Air - Aerial Geophysical Surveying Services, Transportation, Air - Aerial Patrol/Inspection, English Air Service, LLC 3409 Corsair Cir Santa Maria Transportation, Air - Aerial Photography, Transportation, Air - Charter Helicopter Services

Enthalpy Analytical, LLC 800-1 Capitola Dr. Durham Services, Technical - Onsite Gas Chromatography Services, Environmental - Consulting, Permits, Services, Environmental - Environmental Consulting, Services, Intellectual - Architect, Design, Services, Intellectual - Chemical Engineering, Services, Intellectual - Environex, Inc 1 Great Valley Parkway, Ste. 4 Malvern Environmental Engineering

Environmental Assessment Services & Education of California 41146 Elm Street, Ste A Murrieta EASE of CA Services, EnvironmentalIndustrial - Energy, - Consulting, Services, Permits, Inspections Services, and Testing Environmental - Inspection - Environmental Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Environmental, Services, Environmental - Flood/Water Damage Remediation, Services, Environmental - Soil Environmental Intelligence, LLC 1590 S. Coast Hwy., Suite 17 Laguna Beach Miningand/or Waterbody- Environmental Remediation Services, Services, Environmental - Air Quality and Meteorological Monitoring, Services, Environmental - Emissions Testing, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Quality Assurance (EQA), Services, Environmental - Environmental Research Environmental Resources Management (ERM) 1277 Treat Blvd., Suite 500 Walnut Creek Services,and Consulting, Environmental Services, - EnvironmentalAsbestos Assessment/Survey - Environmental and/or Site Assessments Consulting, Services,(Phase I, EnvironmentalII and/or III), Services, - Consulting, Permits, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Mold Assessment/Sampling Environmental Technical Services, Inc 2551 San Ramon Valley Blvd, Ste 248 San Ramon and/or Consulting, Services, Environmental - Soil Services/Soil Sampling, Services, Intellectual - Arc Flash

EPC Services Company 1241 S 32nd St W Billings Services, Inspections and Testing - Electrical

Ernie & Sons Scaffolding 1960 Olivera Road Concord Unique Scaffold Equipment - TurbinesScaffolding - Install - Install and/or and/or Maintenance, Maintenance, Services, Equipment Industrial - Scaffolding - Cold Cutting, - Operations Services, and/or Industrial Maintenance - General Mechanical Contractor/Millwright, Services, Industrial - Machining, Field (Onsite), Services, Industrial - Machining, Pumps and Blowers, Services, Industrial - Mechanic, Rotating Equipment Maintenance, Supplies - Erwin Services Corporation 1280 N la Loma Cir Anaheim Lubrication Systems - Install and/or Maintenance

Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Land Surveying, Services, Intellectual - ESP Surveying Inc. 2598 N Miami Ave Fresno EquipmentTopographic - CompressorsSurveying - Install and/or Maintenance, Equipment - Gas Compressors - Install and/or Service, Equipment - Turbines - Install and/or Maintenance, Services, Industrial - Industrial Machinery, Machine Shops - Service, Services, Industrial - Mechanic, Rotating Equipment Maintenance, Services, Intellectual - Project EthosEnergy Power Plant Services, LLC. 2140 Westover Rd Chicopee Management Consultant

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Construction, General - Civil Construction, Construction, General - Concrete Construction, Construction, General - Construction Consultant, Contractor, General - General Contractor, Machinery - Excavating - Operations, Oil and Gas, Drilling - Drilling Consultant, Services, Environmental - Air Quality and Meteorological ETIC 2285 Morello Ave., California Pleasant Hill ETIC Monitoring, Services, Environmental - Emergency Response, Services, Environmental - Emissions Testing, eTrac Inc 637 Lindaro St Ste 100 San Rafael Services, Intellectual - Surveying, Services, Intellectual - Topographic Surveying Construction, General - Civil Construction, Construction, General - Pipeline Construction, Contractor, General - General Contractor, Equipment - Boilers - Install and/or Maintenance, Equipment - Towers - Install and/or Evans Industrial Inc. 5101 Doanoke Ave Irvine Maintenance, Services, Industrial - Structural Welding, Services, Industrial - Welding Services

Everest Technical Consultants, Inc. 11100 Valley Blvd Ste 320 El Monte Services, Intellectual - Electrical Engineering

Construction, General - Building Construction, Construction, General - Civil Construction, Construction, General - EV Infrastructure, LLC 1690 Scenic Ave Costa Mesa MaxGen EV Infrastructure Manufacturer,Construction Management, No Onsite Field Construction, Work - Original General Equipment - Electrical Manufacturer Construction (OEM), Services, Environmental - Treated Water Outsourcing, LLC; Emissions Testing, Services, Environmental - Hazardous Waste/Chemical Waste Management Services, Treated Water Outsourcing, a Services, Environmental - Non-Hazardous Waste Management, Services, Environmental - Soil and/or Evoqua Water Technologies LLC 210 6th Ave Ste 3300 Pittsburgh Nalco/U.S. Filter Joint Venture; Siemen EquipmentWaterbody -Remediation, Fire Suppression Services, Systems Environmental - Install and/or - Waste Maintenance, Treatment, Services, Services, Inspections Environmental and Testing- Water - Fire Suppression Systems - Inspection and/or Testing, Services, Technical - Fire Protection, Supplies - Fire Extinguishers - Install and/or Maintenance, Supplies - Heavy Equipment Fire Suppression Systems - Install Facilities Protection Systems 1150 W. Central Ave., Suite D Brea Facilities Protection Systems and/or Maintenance

Factory Authorized Service, Inc 12774 Florence Ave Santa Fe Springs Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance Contractor, General - General Contractor, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Power Systems - Install and/or Maintenance, Services, Industrial - Electrical Construction Faith Electric and General Building Contractors LLC 1980 Orange Tree Lane Suite 106, Suite 209 Redlands Faith Electric LLC and/or Repair

Famand, Inc 1512 Silica Avenue, na Sacramento SitelogIQ Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance

Construction, General - Construction Management, Equipment - Cathodic Protection Systems - Install and/or Farwest Corrosion Control Company 12029 Regentview Ave, CA Downey Maintenance, Services, Inspections and Testing - Cathodic Protection Inspections Services, Environmental - Asbestos Abatement/Removal, Supplies - Fireproofing/Firestopping - Install and/or Maintenance, Supplies - Industrial Insulation - Install and/or Maintenance, Supplies - Insulation - Install and/or Farwest Insulation Contracting 1220 S Sherman St Anaheim EquipmentMaintenance - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Services, Inspections and Testing - Electrical, Services, Inspections and Testing - Utility/Hydro Pole Inspection (Ground-Level), Services, Technical - Ferreira Power West, LLC 2 Executive Cir Ste 125 Irvine Fiber Optics, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Lightning Arrestors - Install

Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance, Services, Ferreira Service Inc. 1811 Tortuga St Acton Ferreira Service Inc. Construction,Inspections and General Testing - Roofing/Roofer,- HVAC Testing, Equipment Adjusting and- Boilers Balancing - Install (TAB) and/or Maintenance, Equipment - Scaffolding - Operations and/or Maintenance, Equipment - Towers - Install and/or Maintenance, Equipment - Underground Storage Tanks (UST), Piping - Install and/or Maintenance, Manufacturer, No Onsite Field Work - FHI Plant Services 560 E Germann Rd Ste 104 Gilbert Above Ground Storage Tanks (AST), Manufacturer, No Onsite Field Work - Pressure Vessels, Manufacturer,

Equipment - Telecommunication Transmission Equipment - Install and/or Maintenance, Services, Industrial - Fiber Network Solutions, Inc. 21262 US Highway 69 S Tyler Wind Farm Services, Services, Technical - Fiber Optics

Fidelis Green, INC 3706 W Holland Ave Fresno Construction, General - Civil Construction, Construction, General - Electrician

Figueroa Iron Works, Inc. 2310 Lee Ave South El Monte Construction, General - Steel Erection and/or Assembly, Services, Industrial - Structural Welding

Final Connection, Inc. 8160 Electric Ave Stanton Final Connection, Inc. Services, Industrial - Electrical Construction and/or Repair, Services, Technical - Electrical, Voice Data Wiring

Fire-Pro-Solutions 11473 Greenway Dr Beaumont Services, Technical - Fire Brigade, Services, Technical - Fire Protection

Fluence Energy, LLC 4601 Fairfax Dr Arlington Services, Industrial - Electrical /Power Generation

13831 Roswell Ave Suite H, 523 S. Magnolia Construction, General - Electrician, Contractor, General - General Contractor, Supplies - Lighting - Install and/or Foddrill Construction Corporation Ontario, CA 91762 Chino Foddrill Construction Corporation Maintenance

Forde Biological Consultants 10664 Presilla Rd Santa Rosa Valley Services, Environmental - Consulting, Permits, Services, Environmental - Environmental Consulting

Foundation Pile, Inc. 8375 Almeria Ave Fontana Construction, General - Piling/Deep Foundation

Franklin Contracting Inc. 34549 Highway 58 Eugene Services, Intellectual - Right-of-Way

Frank S. Smith Masonry, Inc. 2830 Pomona Blvd Pomona Construction, General - Masonry/Brickwork/Bricklayer

Friant Masonry Builders, Inc 4583 E Floradora Ave Fresno Friant Masonry Builders, Inc Construction, General - Masonry/Brickwork/Bricklayer

Fuel Cell Energy Inc. 3 Great Pasture Rd Danbury Construction, General - Electrician, Services, Industrial - Electrical /Power Generation

Full Throttle Concrete Cutting 26059 Sunny Side Ct Menifee Construction, General - Concrete Cutting/Sawing

G4S Secure Integration LLC 1200 Landmark Center, Suite 1300 Omaha Supplies - Security Systems - Install and/or Maintenance

Gary Redcher Plumbing Company 5515 A N. Peck Rd. Arcadia George Kauffman Plumbing Services, Industrial - General Mechanical Contractor/Millwright

GCA Nuclear Facility Services, Inc. 14141 Southwest Fwy Sugar Land Services, Cleaning - Janitorial Services

GC Construction Company Inc 16301 1/2 Piuma Ave Cerritos EquipmentConstruction, - Electric General Generators - Finishing - CarpenterInstall and/or Maintenance, Services, Industrial - Electrical Instrumentation, Services, Inspections and Testing - Electrical, Services, Intellectual - Control Engineering, Services, Intellectual - Electrical Engineering, Services, Intellectual - Mechanical/Electrical Engineering, Services, Intellectual - Project General Electric International Inc. - Power Services 4200 Wildwood Parkway Atlanta FieldCore Service Solutions LLC Management Consultant

Services, Facilities - Industrial Plant Maintenance, Services, Intellectual - Electrical Engineering, Trades - Generator and Motor Services of Pennsylvania, LLC 601 Braddock Ave Turtle Creek Electrical Wiring/Electrician/Cabling Work

Construction, General - Concrete Construction, Machinery - Excavating - Operations, Machinery - Heavy Geo Pacific Services, Inc. 10194 Riverford Rd Lakeside Geo Pacific Services, Inc. Equipment - Operations

GEOSPATIAL PROFESSIONAL SOLUTIONS INC 3151 Airway Ave Ste G2 Costa Mesa GPSI Construction,Transportation, Concrete Air - Aerial Work Photography - Caisson/Underwater Piling - Install and/or Service, Construction, Concrete Work - Piling/Deep Foundation - Install and/or Service, Construction, General - Pier and Grade Beam Foundation, Construction, General - Site Surface Preparation, Construction, Transportation Infrastructure - General GeoStabilization International 4455 E 74th Ave Suite 100 Commerce City Services,Contractor Environmental - Road Construction, - Air Quality Construction, and Meteorological Transportation Monitoring, Infrastructure Services, - Railroad Environmental Construction, - Environmental Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Laboratory, Services, Environmental - Soil and/or Waterbody Remediation, Services, Intellectual GeoSyntec Consultants Inc 12802 Tampa Oaks Blvd., Suite 151 Tampa - Engineering Design, Services, Intellectual - Professional Engineer

Geotechnical Soilutions Inc 11080 Tuxford St, 11080 Tuxford ST Sun Valley Geotechnical Soilutions Inc Services, Intellectual - Civil Engineering Services, Intellectual - Electromagnetic Geophysical Surveying, Services, Intellectual - Geophysical Land Access Permitting Services, Services, Intellectual - Geophysical Positioning Services, Services, Intellectual - Gravity and GEOVision Inc 1124 Olympic Drive, CA Corona Magnetic Geophysical Surveying

GeoWing Mapping, Inc. 4132 Lakeside Dr San Pablo GeoWing Mapping, Inc. Services, Intellectual - Surveying, Transportation, Air - Aerial Photography

Services, Cleaning - Drain Cleaning, Services, Technical - Plumbing/Plumber, Supplies - Backflow Prevention G.G.Garcia Plumbing, Pumping & Rooter, Inc. 442 Montgomery Way Orange GG Garcia Plumbing Construction,Devices - Install General and/or - MaintenanceCivil Construction, Construction, General - Concrete Construction, Construction, General - Concrete Pumping Services, Construction, General - Construction Consultant, Construction, General - Construction Management, Construction, General - Construction Safety Consultant, Construction, General - GHD Services Inc. 2055 Niagara Falls Blvd Niagara Falls Demolition/Wrecking, Construction, General - Engineering Procurement and Construction (EPC), Construction,

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Equipment - Telecommunication Transmission Equipment - Install and/or Maintenance, Services, Intellectual - Gillespie, Prudhon & Associates, Inc. 16111 SE 106th Ave Ste 100 Clackamas Professional Engineer

GIS Surveyors, Inc. 12120 Tech Center Dr. Ste. D Poway Services, Intellectual - Surveying

Global Geo Engineering, Inc. 3 Corporate Park, Suite 270 Irvine Construction, General - Construction Consultant, Services, Intellectual - Professional Engineer

Forestry - Consulting, Surveying, Planning, Estimating, Forestry - Forest Road Construction and/or Global Green Worx Inc 280 S Lemon Ave Suite 392 Walnut Global Green Worx Inc Construction,Maintenance, GeneralForestry -- CivilForest Construction, Thinning, Services, Construction, Environmental General - -Concrete Restorative Construction, Planting Construction, General - Steel Erection and/or Assembly, Equipment - Communication Towers - Install and/or Maintenance, Machinery - Excavating - Operations, Services, Industrial - Iron Work/Ironworker, Services, Inspections and Global Tower Service, Inc. 111 Catherine Dr Woodland Testing - Tower Inspection

Golden Empire Concrete Products, Inc. 8261 McCutchen Rd Bakersfield StructureCast Construction, General - Precast Concrete - Install and/or Maintenance

Golden State Sealing & Striping, Inc. 143 BRISCO ROAD UNIT 3 ARROYO GRANDE Construction, Transportation Infrastructure - Asphalt Paving

Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping, Services, Industrial - Tree Gomez Landscape & Tree Care, Inc 7107 Alabama Ave. canoga Park Gomez Landscape & Tree Care, Inc. Services,Trimming Environmentaland/or Clearing, - Contouring,Wood Chipping Recontouring, Services, Environmental - Erosion Control, Services, Environmental - Land Reclamation/Rehabilitation, Services, Environmental - Restorative Planting, Services, Gothic Landscape Construction Environmental - Soil and/or Waterbody Remediation, Services, Environmental - Soil Services/Soil Sampling, Gothic Landscaping Inc. 6325 S Valley View Blvd Las Vegas Division Supplies - Geotextile Fabric/Lining - Install and/or Maintenance

Construction, General - Civil Construction, Construction, General - Demolition/Wrecking, Machinery - Excavating Graham County Land Company, LLC 750 Tallulah Rd Robbinsville Services,- Operations, Environmental Services, Intellectual - Emergency - Right-of-Way Response, Services, Environmental - Hazardous Waste/Chemical Waste Management Services, Services, Environmental - Non-Hazardous Waste Management, Services, Environmental - Soil and/or Waterbody Remediation, Services, Environmental - Soil Services/Soil Sampling, Services, Graymar Environmental Services, Inc 601 S. Pioneer Way Ste F #218 Moses Lake Environmental - Spill Cleanup, Transportation, Road - Hazardous Waste/Chemical Waste Transportation, Forestry - Bucking, Delimbing and/or Cutting of Felled Trees, Forestry - Forest Thinning, Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping, Services, Industrial - Forestry, Logging, Services, Greentek Services LLC 10288 Crescenzi Pl Smartsville Arborworks Debris and Environmental Industrial - Land Clearing, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Services, Environmental - Environmental Drilling, Services, Technical - Diamond Bit Drilling/Diamond Gregg Drilling, LLC 950 Howe Rd Martinez Coring/Deep Core Drilling, Services, Technical - Soil Sampling

Griffin Contract Dewatering, LLC 5306 Clinton Drive Houston Construction,Equipment - Water General Well - EpoxyPumps and/or - Install Polymer and/or Coatings,Maintenance, Construction, Services, GeneralEnvironmental - Flooring - Dewatering - Install and/or Services Maintenance, Construction, General - Joint Sealing, Caulking and/or Waterproofing, Construction, General - Painter/Painting, Construction, General - Pipeline Construction, Construction, General - Roofing/Roofer, Groome Industrial Service Group, LLC 22 Audrey Place Fairfield Construction, General - Structural Repair, Contractor, General - General Contractor, Equipment - Dust Collection

Services, Inspections and Testing - Ground Penetrating Radar, Services, Inspections and Testing - Non- Ground Penetrating Radar Systems, LLC 5217 Monroe St Toledo Equipmentdestructive -Testing Equipment (NDT), - Rental, Services, Equipment Technical - Office - Locating Trailers, of Utility Mobile Lines, Buildings Buried - Rental, Cables Machineryand/or Pipelines - Heavy Equipment - Rentals, Services, Staffing/Placement - General Laborers, Services, Staffing/Placement - Clerical Workers, Services, Staffing/Placement - Temporary Staffing, Manpower, Supplier, No Onsite Field Work - Growth Development Marketing Inc. 5963 Freedom Drive California GDM Inc. Electrical Supplies, Supplier, No Onsite Field Work - Health and Safety Equipment, Supplier, No Onsite Field

Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Surveying, Services, Intellectual - Guida Surveying Inc. 9241 Irvine Blvd Ste 100 Irvine Topographic Surveying

Gustav Keoni 3480 S. Higuera St., Suite 130 San Luis Obispo Precision Construction Services Construction, General - Building Construction, Construction, General - Construction Management

Gutierrez Tree Care 1 29852 Road 168 Visalia Gutierrez Tree Service 1 Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping

Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Guzman Grading and Paving Corp 14030 Rose Ave Fontana Guzman Grading and Paving Corp Concrete Paving, Construction, Transportation Infrastructure - Line Painting of Roads and/or Parking Lots

Habitat West, Inc. 2067 Wineridge Pl Ste B Escondido Services, Environmental - Restorative Planting

Hach Company 5600 Lindbergh Drive Loveland Services, Technical - Instrumentation - Meter Monitoring

Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Haitbrink Asphalt Paving,Inc 1480 Magnolia Ave Corona Concrete Paving

Services, Industrial - Rigging and Lifting Services, No Cranes, Services, Industrial - Rigging Services, Services, Halbert Brothers, Inc. 17400 East Chestnut Street City of Industry Construction,Intellectual - Office General Ergonomics - Civil Construction, Consultant Construction, General - Concrete Construction, Construction, General - Concrete Cutting/Sawing, Construction, General - Construction Consultant, Construction, General - Construction Management, Construction, General - Construction Safety Consultant, Construction, General - Haley & Aldrich Inc., its subsidiaries and affiliates 70 Blanchard Rd Ste 204 Burlington Construction,Demolition/Wrecking, General Construction, - Civil Construction, General Construction, - Engineering General Procurement - Concrete and ConstructionConstruction, (EPC), Construction, Construction, General - Pipeline Construction, Machinery - Excavating - Operations, Oil and Gas, Pipelines - DOT Covered Tasks, Oil and Gas, Pipelines - Gas Pipeline, Leak Repairs, Services, Cleaning - Mobile Steam Cleaning, Hal Hays Construction Inc. 4181 Latham St Riverside Services, Industrial - Corrosion Control, Services, Industrial - Energy, Services, Industrial - Lining and/or Coating Construction, General - Electrician, Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Hampton Tedder Electric Company 4571 State Street Montclair Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Services, Industrial - Machine, Electrical Wiring Services, Industrial - Electrical Construction and/or Repair, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Protective Relays - Install and/or Maintenance, Supplies - Transformers - Install and/or Hampton Tedder Technical Services, Inc. 4571 State Street Montclair Maintenance Oil and Gas, Offshore - Construction Consultant, Oil and Gas, Offshore - Marine Construction, Oil and Gas, Offshore - Offshore Construction, Oil and Gas, Offshore - Offshore Construction, Underwater, Oil and Gas, Harbor Offshore, Inc. 4411 Dupont Ct Ste 130 Ventura Construction,Offshore - Offshore General Transportation, - Painter/Painting, Services, Services, Inspections Cleaning and - MobileTesting Steam - Flow Cleaning, Calibration Services, Environmental - Lead Abatement, Services, Industrial - Hydroblasting, Services, Industrial - Lining and/or Coating of Objects, Structures, and/or Equipment, Services, Industrial - Sandblasting, Services, Industrial - Storage Tank Liners Hartman Walsh Painting Comp 7144 N Market St Saint Louis Hartman Walsh Industrial Services and/or Coatings - Install and/or Maintenance

Hatch Ltd. 2800 Speakman Drive mississauga Hatch Corporation Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Professional Engineer Services, Environmental - Asbestos Assessment/Survey and/or Consulting, Services, Environmental - Environmental Consulting, Services, Intellectual - Consulting Engineer, Transportation, Air - Aerial Haverfield International, Inc. 1750 Emmitsburg Rd. Gettysburg Patrol/Inspection, Transportation, Air - Aerial Photography, Transportation, Air - Charter Helicopter Services

Hawcs International Inc. 8352 Kimball Ave Chino Transportation, Air - Aerial Patrol/Inspection

Hawthorne Machinery Co. 16945 Camino San Bernardo San Diego Machinery - Heavy Equipment - Maintenance

3333 Cherry Ave Long Beach Ca, 3276 Walnut HCS Transportation Ave Long Beach HCS Transportation Construction,Transportation, General Road - -Heavy Civil Construction, Industrial Trucking Construction, General - Pipeline Construction, Contractor, General - General Contractor, Mining - Environmental Services, Mining - General Services, Mining - Hydrology/Hydrologist Services, Mining - Noise Abatement/Control, Services, Inspections and Testing - Non-destructive Testing (NDT), HDR Engineering, Inc. 1917 S. 67th Street Omaha Services, Intellectual - Chemical Engineering, Services, Intellectual - Civil Engineering, Services, Intellectual -

Services, Industrial - Cold Cutting, Services, Industrial - Heat Treating and/or Stress Relieving, Services, Heat Treating Inc 6740 110th Street, Suite 508 Belleview Industrial - Machining, Field (Onsite)

Transportation, Air - Aerial Lift Services, Helicopters, Transportation, Air - Aerial Patrol/Inspection, Helicopter Express, Inc. 2025 Flightway Dr Atlanta Transportation, Air - Charter Helicopter Services, Transportation, Air - Emergency Response Services, Air

Helicopter Transport Services LLC 14497 Keil Rd NE Aurora Transportation, Air - Charter Helicopter Services

Heli-Dunn 3727 International Way Medford Services, Industrial - Forestry, Logging, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Helimax Aviation Inc. 5825 Price Ave McClellan Transportation, Air - Charter Helicopter Services

Heliqwest International Inc 11915 Airport Way Broomfield Transportation, Air - Charter Helicopter Services

Transportation, Air - Aerial Geophysical Surveying Services, Transportation, Air - Aerial Patrol/Inspection, HeliStream, Inc. 3000 Airway Avenue, Suite 350 Costa Mesa Transportation, Air - Aerial Photography, Transportation, Air - Charter Helicopter Services

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

HELIUS, LLC 6565 Crystal Ln Prescott HELIUS, LLC Transportation, Air - Charter Helicopter Services

HELIX Environmental Planning, Inc. 7578 El Cajon Blvd La Mesa Construction,Services, Environmental General - Building - Environmental Construction, Consulting Construction, General - Civil Construction, Construction, General - Construction Management, Construction, General - Pipeline Construction, Contractor, General - General Contractor, Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Overhead Electric Henkels & McCoy, Inc. 985 Jolly Rd Blue Bell Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines,

Herc Rentals Inc. 27500 Riverview Center Blvd Bonita Springs Construction,Equipment - Equipment General - Civil- Rental, Construction, Supplies -Construction, Tools - Rental General - Concrete Construction, Construction, General - Pipeline Construction, Construction, General - Underground Sewage Systems/Sewerage, Equipment - Cathodic Protection Systems - Install and/or Maintenance, Machinery - Excavating - Operations, Machinery - Herman Weissker, Inc. 1645 Brown Ave Riverside Hydro Excavation - Operations, Oil and Gas, Pipelines - DOT Covered Tasks, Services, Facilities - Industrial Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Telecommunication Transmission Equipment - Install and/or Maintenance, Equipment - Underground Electric HHS Construction Inc 2042 S GROVE AVE ONTARIO EquipmentUtility (Lines, - Electric Civil Works) Power - SystemsInstall and/or - Install Maintenance and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Supplies - Electrical High Country Line Construction, Inc. 6220 S Belmont Ave Indianapolis High Country Line Construction Switchgear - Install and/or Maintenance, Supplies - Lightning Arrestors - Install and/or Maintenance, Supplies -

Services, Technical - Fire Protection, Supplier, No Onsite Field Work - Supplies, General, Transportation, Air - High Performance Helicopters Corp 1671 Sessums Dr #201 Redlands Aerial Patrol/Inspection

Services, Inspections and Testing - Inspection, Services, Inspections and Testing - Utility/Hydro Pole Inspection HiLine Nation LLC 26406 N 64th Ave Phoenix (Ground-Level)

Machinery - Mobile Crane - Operations, Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane Hill Crane Service 3333 Cherry Ave Long Beach Rigging/Rigger - Operations

Hillcrest Electrical, Inc 1658 Callens Rd Ventura Construction, General - Electrician

Hitachi T&D Solutions, Inc. 7250 McGinnis Ferry Road Suwanee Manufacturer, No Onsite Field Work - Power Transmission Products

Construction, General - Construction Consultant, Oil and Gas, Geophysical/Seismic - Seismic Consultant, Holdrege & Kull Consulting Engineers & Geologist 792 Searls Ave Nevada City Holdrege & Kull MachineryServices, Intellectual - Heavy Equipment - Professional - Maintenance, Engineer Machinery - Heavy Equipment - Operations, Manufacturer, No Onsite Field Work - Heat Exchangers, Manufacturer, No Onsite Field Work - Original Equipment Manufacturer (OEM), Manufacturer, No Onsite Field Work - Pressure Vessels, Services, Intellectual - Acoustical/Acoustic Holtec International 1 Holtec Blvd Camden Engineering, Services, Intellectual - Cathodic Protection Engineering, Services, Intellectual - Civil Engineering,

Horizon Air Measurement Services, Inc. 310 Cortez Circle Camarillo Services, Environmental - Emissions Testing

Machinery - Civil Directional Drilling - Operations, Machinery - Excavating - Operations, Oil and Gas, Drilling - Horizon Underground Inc. 1595 Mountain Ave Norco Horizon Underground Inc. Construction,Directional Drilling General / Slant - Civil Drilling Construction, Operations, Construction, Services, Industrial General -- BoringConcrete Services, Construction, Services, Construction, Industrial - Drilling General - Electrician, Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility Hot Line Construction, Inc 9020 Brentwood Blvd, Ste. H Brentwood (Lines, Civil Works) - Install and/or Maintenance, Machinery - Excavating - Operations, Oil and Gas, Servicing - Services, Inspections and Testing - Infrared, Services, Inspections and Testing - Phased Array, Services, Inspections and Testing - Thermographic Testing, Services, Inspections and Testing - Ultrasonic Testing, HOT/SHOT Infrared Inspections, Inc. 15000 W. 6th Avenue, Unit 102 Golden Transportation, Air - Aerial Patrol/Inspection, Transportation, Air - Aerial Photography

Howe Electric Construction Inc. 4682 E. Olive Ave Fresno Same Construction, General - Electrician

Construction, General - Concrete Core Drilling/Boring, Oil and Gas, Servicing - Workover, Services, Industrial - Howell Drilling 2579 E 67th St Long Beach Drilling

Construction, General - Concrete Core Drilling/Boring, Services, Industrial - Boring Services, Services, Technical HP Communications, Inc. 13341 Temescal Canyon Rd Corona - Fiber Optics

HRP Resources 5619 Quinn St Apt 33 Bell Gardens Construction,Services, Environmental General - Concrete - Asbestos Construction, Assessment/Survey Construction, and/or General Consulting - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, General - Demolition/Wrecking, Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Concrete Paving, Huntington Pacific Corporation 8017 Mission Gorge Rd Santee OilConstruction, and Gas, Geophysical/Seismic Transportation Infrastructure - Geophysical - Line Supervision,Painting of Roads Services, and/or Inspections Parking Lots, and TestingMachinery - Civil, - Heavy Services, Inspections and Testing - Fabricated Steel and/or Concrete Structures Inspection, Services, Inspections and Testing - Labs and Cleanrooms, Testing and Balancing, Services, Intellectual - Civil Hushmand Associates Inc. 250 Goddard Irvine Engineering, Services, Intellectual - Environmental Engineering

Contractor, General - General Contractor, Equipment - Overhead Electric Utility (Power Pole, Power Line) - HW Power 1700 E Via Burton Anaheim Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair

Hydraulic Cranes LLC 10805 Painter Ave Santa Fe Springs Machinery - Mobile Crane - Operations, Machinery - Mobile Crane - Rentals

Hydro Backflow Solutions, LLC. 274 E. Rowland Ave, Suite B Covina Supplies - Backflow Prevention Devices - Install and/or Maintenance

Industrial Hygiene Management Inc 141 E Huntington Dr Arcadia Services, Intellectual - Geoscience Engineering

Industrial Measurement Services, Inc. 33475 Vino Way Temecula Industrial Measurement Services, Inc. Services, Inspections and Testing - Inspection

Inland Heating & Air Conditioning 27701 Calle De Leon Sun City Equipment - Air Conditioning Equipment - Rental

Inland Metro Services, Inc 876 N Mountain Ave Ste 200 Upland Inland Metro Engineering Services, Inspections and Testing - Utility/Hydro Pole Inspection (Ground-Level)

Inland Valley Construction Company Inc 18382 Slover Ave Bloomington Construction,Equipment - Communication General - Demolition/Wrecking, Towers - Install and/or Equipment Maintenance - Storage Tanks - Install and/or Maintenance, Equipment - Storage Tanks - Removal/Demolition, Machinery - Excavating - Operations, Services, Cleaning - Tank Cleaning, Services, Environmental - Erosion Control, Services, Environmental - Hazardous Innovative Construction Solutions 575 Anton Bvld. #850 Costa Mesa Waste/Chemical Waste Management Services, Services, Environmental - Non-Hazardous Waste Management, Services, Environmental - Consulting, Permits, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Erosion Insignia Environmental 545 Middlefield Rd Ste 210 Menlo Park Control

Insite Telecom, Inc. 521 W Briardale Ave Orange Contractor, General - General Contractor, Services, Technical - Electrical, Voice Data Wiring

Instrument Manufacturing Company 50 Utopia Manchester Services, Intellectual - Electrical Engineering

Services, Industrial - Valve Repair, Supplies - Instruments and Instrument Systems - Install and/or Maintenance, Instrument & Valve Services Company 3535 Emerson Pkwy Gonzales Emerson Electric Co. Supplies - Valves - Install and/or Service

Intec Services, Inc. 4001 Automation Way Fort Collins EquipmentServices, Inspections - Electric Generators and Testing - Install- Utility/Hydro and/or Maintenance, Pole Inspection Equipment (Ground-Level) - Electric Motors - Install and/or Maintenance, Services, Industrial - Wind Farm, Tower Climbing, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Transformers - Install and/or Maintenance, Supplies - Variable Frequency Drives Integrated Power Services 250 Executive Center Drive, Suite 201 Greenville (VFD), Adjustable Speed Drives (ASD) - Install and/or Maintenance, Supplies - Vibration Monitors - Install and/or

Integrity General Engineering Contractors, Inc. 2175 Sampson Ave Corona Construction, General - Civil Construction

Intercon Security Systems Incorporated 210 S de Lacey Ave Pasadena Construction,Services, Facilities General - Security - Civil Construction,Services, Industrial Construction, Patrols, GeneralIndustrial - Electrician,Surveillance Equipment - Cathodic Protection Systems - Install and/or Maintenance, Equipment - Electric Batteries - Install and/or Maintenance, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Motors - Install and/or Maintenance, International Line Builders, Inc. 1450 Iowa Ave Ste 110 Riverside ForestryEquipment - Bucking, - Electrostatic Delimbing Precipitator and/or Cutting(ESP) - of Install Felled and/or Trees, Maintenance, Forestry - Consulting, Equipment Surveying, - Overhead Planning, Electric Utility Estimating, Forestry - Cutting Timber/Falling, Forestry - Reforestation/Forest Regeneration, Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping, Services, Industrial - Tree Trimming and/or International Tree Management 8077 Langdon Ave Hesperia Clearing, Wood Chipping

Intertek USA Inc. 324 Martin Ave Santa Clara Intertek AIM Engineering Services, Intellectual - Mechanical Engineering, Services, Intellectual - Metallurgical Engineering

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

IQA Solutions 4089 E. Conant St. Long Beach Services, Intellectual - Engineering Design

Construction, General - Civil Construction, Equipment - Underground Electric Utility (Lines, Civil Works) - Install Irish Electric Corporation 6280 Hosfield Dr Tulare Services,and/or Maintenance Environmental - Asbestos Abatement/Removal, Services, Inspections and Testing - Eddy Current Array (ECA), Services, Inspections and Testing - Ground Penetrating Radar, Services, Inspections and Testing - Non-destructive Testing (NDT), Services, Inspections and Testing - Project Inspection, Services, Inspections IRISNDT, Inc. 4649 S Sam Houston Pkwy E Houston and Testing - Radioactive/X-ray Services, Services, Inspections and Testing - Rope Access Inspection,

Services, Intellectual - Electrical Engineering, Services, Intellectual - Project Management Consultant, Supplies - Iris Power LP 3110 American Drive Mississauga Instruments and/or Instrument Systems - Install and/or Service

Iron Step Construction & Engineering LLC 3450 E. Spring St. Suite 210 Long Beach Iron Step Engineering Construction, General - Electrician Construction, General - Steel Erection and/or Assembly, Services, Industrial - Iron Work/Ironworker, Services, Industrial - Metals, Services, Industrial - Steel Cutting, Services, Industrial - Structural Welding, Services, Ironwood Fabrication, Inc. 215 Industry Ave La Habra South Coast Iron Industrial - Welding Services Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Soil and/or Waterbody Remediation, Services, Jacob & Hefner Associates 15375 Barranca Pkwy Ste J101 Irvine JHA Environmental, Inc. Environmental - Soil Services/Soil Sampling, Services, Intellectual - Environmental Engineering

Services, Technical - Confined Space Attendant, Services, Technical - Confined Space Rescue, Services, JCL Service Company LLC 12626 E 60th St Ste 101 Tulsa JCL Safety Services Company LLC Technical - Medical Services, Services, Technical - Safety Contractor, General - General Contractor, Services, Environmental - Environmental, Services, Facilities - Industrial Plant Maintenance, Services, Facilities - Industrial Plant Shutdown/Turnaround, Services, Intellectual - JC Tuckmar Inc. 27475 Ynez Rd Unit 392 Temecula Volk Environmental Solutions Geoscience Engineering

J & E Backhoe Service 5366 Crest Ave Riverside Machinery - Heavy Equipment - Operations

Jensen Precast 14221 San Bernardino Ave Fontana Machinery - Mobile Crane - Maintenance, Machinery - Mobile Crane - Operations

JE&R CONSTRUCTION,INC. 2109 Miramar Walk Oxnard Contractor, General - General Contractor

J.E. Snyder Electric 21730 S Wilmington Ave Ste 206 Long Beach Snyder Electric OilConstruction, and Gas, Servicing General -- ElectricianCement Plugging, Oil and Gas, Servicing - Well Services, Oil and Gas, Servicing - Well Services, Environmental, Oil and Gas, Servicing - Well Stimulation, Oil and Gas, Servicing - Well Stimulation, Acidizing, Oil and Gas, Servicing - Wellhead Servicing, Oil and Gas, Servicing - Workover, Services, J. & H. Drilling Co., Inc. 13124 Firestone Blvd Santa Fe Springs M R Drilling Environmental - Environmental Drilling, Transportation, Road - Vacuum Truck

J. M. Concrete 1675 N. Perris Blvd. Ste. F2 Perris Sole Proprietor Construction, General - Masonry/Brickwork/Bricklayer

Contractor, General - General Contractor, Services, Facilities - Industrial Plant Maintenance, Services, Facilities - J & M Contracting Corp 934 Glenlea St La Verne Construction,Industrial Plant General Shutdown/Turnaround - Electrician, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Supplies - J. Miller Electric Inc. 16978 Smoketree St Ste C2 Hesperia Electrical Switchgear - Install and/or Maintenance, Supplies - Transformers - Install and/or Maintenance,

Joes Logging Inc. 39744 Rd 274 Bass Lake EquipmentServices, Industrial - Electric - GeneratorsForestry, Logging, - Install Services, and/or Maintenance, Industrial - Tree Equipment Trimming - Overhead and/or Clearing, Electric WoodUtility (PowerChipping Pole, Power Line) - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Services, Industrial - Electrical Instrumentation, Services, Industrial - Instrumentation and Electrical, Supplies - Electrical Johnson Electric, Inc. 339 N Main St Blythe Switchgear - Install and/or Maintenance, Supplies - Instruments and Instrument Systems - Install and/or

Johnson Matthey Holdings Inc., dba Tracerco 4106 New West Rd, Texas Pasadena EquipmentServices, Inspections - Cathodic andProtection Testing Systems - Non-destructive - Install and/or Testing Maintenance, (NDT) Equipment - Electric Batteries - Install and/or Maintenance, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Motors - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Johnson-Peltier Inc. 12021 Shoemaker Ave Santa Fe Springs Maintenance, Services, Industrial - Electrical Construction and/or Repair, Services, Industrial - Electrical

J&R Tree Service Inc. 24132 Fir Ave Moreno Valley Urbina's Tree Service Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

JTL Trucking, INC. 870 N. Mountain Ave Ste 123 Upland Lunas Trucking Transportation, Road - Hauling Services

KAAM Group, Inc. 7040 Avenida Encinas, Ste 104-379 Carlsbad Services, Intellectual - Cathodic Protection Engineering

K and G Concrete Inc 1079 Sunrise Ave #353 Roseville Construction, General - Concrete Finishing/Surfacing

Services, Environmental - Asbestos Abatement/Removal, Services, Environmental - Lead Abatement, Services, Karcher Environmental, Inc. 2300 Orangewood Ave Anaheim Environmental - Mold Abatement/Removal

Kaydann Corporation 42015 Remington Ave, Suite 104 Temecula Doors and Windows West Construction, General - Finishing Carpenter, Supplier, No Onsite Field Work - Doors, Frames, Hardware

K&B Electric 290 Corporate Terrace Cir Corona K&B Engineering Services, Intellectual - Drafting, Services, Intellectual - Surveying Equipment - Electric Batteries - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Transformers - Install and/or KDC Inc. 4462 Corporate Center Drive Los Alamitos Dynalectric Maintenance

KDF Forestry, Inc. 1346 Blue Oaks Blvd Roseville Construction,Services, Industrial General - Forestry, - Concrete Logging Core Drilling/Boring, Construction, General - Drilling of Water Wells, Construction, General - Joint Sealing, Caulking and/or Waterproofing, Construction, General - Piling, Construction, General - Piling/Deep Foundation, Services, Environmental - Dewatering Services, Services, Keller Industrial, Inc. 100 Stickle Ave Rockaway Environmental - Land Reclamation/Rehabilitation, Services, Environmental - Soil and/or Waterbody Remediation,

Construction, General - Piling, Construction, General - Piling/Deep Foundation, Services, Industrial - Boring Keller North America, Inc. 7550 Teague Rd Hanover Services

Services, Facilities - Traffic Control/Flagging, Supplier, No Onsite Field Work - Health and Safety Equipment, Kellie Avila Construction Services Inc. 8365 El Camino Real Atascadero AvilaTraffic Safety Supplies - Safety Supplies and/or Equipment - Rental, Supplies - Signs - Install and/or Maintenance

Key Air Conditioning Contractors, Inc. 10905 Laurel Ave Santa Fe Springs Construction,Equipment - Heating, General Ventilation - Concrete and Construction, Air Conditioning Construction, (HVAC) GeneralSystems - -Concrete Install and/or Core Maintenance Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, General - Precast Concrete - Install and/or Maintenance, Contractor, General - General Contractor, Services, Inspections and Testing - Fabricated Steel Kindness General Contractors, LLC 6461 Global Drive Cypress and/or Concrete Structures Inspection

Kingsborough Atlas Tree Surgery, Inc. 1544 Ludwig Ave Santa Rosa Atlas Tree & Landscape, Inc. Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Services, Environmental - Environmental Consulting, Services, Environmental - Erosion Control, Services, Kitchell 1707 E Highland Ave Phoenix Construction,Intellectual - Geoscience General - Construction Engineering Consultant, Services, Environmental - Environmental Consulting, Services, Inspections and Testing - Project Inspection, Services, Intellectual - Cathodic Protection Engineering, Services, Intellectual - Civil Engineering, Services, Intellectual - Consulting Engineer, Services, Intellectual - Drafting, Kleinfelder, Inc. 2882 Prospect Park Dr Ste 200 Rancho Cordova Services, Intellectual - Environmental Engineering, Services, Intellectual - Industrial Hygiene Consultant,

Kleinschmidt Associates PO Box 650 Pittsfield Services, Intellectual - Professional Engineer Transportation, Road - Dump Truck Services, Transportation, Road - Freight Forwarder, Transportation Logistics, Transportation, Road - Freight Hauling, Transportation, Road - General Trucking Services, Knight Brothers LLC 961 S Pioneer Road Salt Lake City IRH MachineryTransportation, - Fixed Road Crane - Hauling - Maintenance, Services, MachineryTransportation, - Fixed Road Crane - Heavy - Operations, Industrial Machinery Trucking - Overhead and Gantry Crane - Maintenance, Machinery - Overhead and Gantry Crane, Rigging/Rigger - Operations, Services, Inspections and Testing - Crane Inspection, Services, Inspections and Testing - Fixed Crane Inspection, Konecranes, Inc. 4401 Gateway Blvd Springfield Crane Pro Services Services, Inspections and Testing - Overhead and Gantry Crane Inspection

Koppl Pipeline Services, Inc. 1228 Date St Montebello Services, Industrial - Hot Tapping

KPRS Construction Services Inc 2850 Saturn Street Brea Services, Intellectual - Industrial Hygiene Consultant Services, Inspections and Testing - Civil, Services, Inspections and Testing - Fabricated Steel and/or Concrete Structures Inspection, Services, Inspections and Testing - Non-destructive Testing (NDT), Services, Inspections Krazan & Associates Inc. 2205 Coy Ave Bakersfield and Testing - Project Inspection, Services, Intellectual - Professional Engineer

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Construction, General - Pier and Grade Beam Foundation, Construction, General - Piling, Services, Industrial - KSSC Incorporated 23200 Beech St Hemet Drilling

L.A.C. Motor Enterprises, Inc. 127 N Acacia St San Dimas Transportation, Road - Dump Truck Services

La Habra Fire Protection & Plumbing 1877 E. Woodgate Dr West Covina Subcontractor Services, Technical - Plumbing/Plumber Langan Engineering, Environmental, Langan Engineering, Environmental, Surveying, Surveying & Landscape Architecture, Services, Environmental - Consulting, Permits, Services, Environmental - Environmental Consulting, Services, Landscape Architecture and Geology, D.P.C. 2700 Kelly Rd Ste 200 Warrington D.P.C. Intellectual - Civil Engineering, Services, Intellectual - Environmental Engineering

Lans Compressors Inc 438 W Carter Dr Glendora Services, Industrial - Machining, Pumps and Blowers

Larch Tree Service, LLC 83 Buck St Canton Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping Services, Environmental - Erosion Control, Supplies - Geotextile Fabric/Lining - Install and/or Maintenance, Supplies - Pit Liners - Install and/or Maintenance, Supplies - Secondary Containment Systems - Install and/or Layfield USA Corp. 10038 Marathon Pkwy Lakeside Maintenance Manufacturer, No Onsite Field Work - Fabricator, Services, Industrial - Structural Welding, Services, Industrial - Welding Services, Supplies - Fence - Install and/or Maintenance, Supplies - Industrial Hoses - Install and/or L & B Metal Product Fabrication 60 HOY RD BLDG 1 RED BLUFF Maintenance

Leak Testing Specialist, Inc. 5810 Hoffner Ave Ste 805 Orlando Services, EnvironmentalIntellectual - Consultant - Environmental Services Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Environmental, Services, Environmental - Soil and/or Waterbody Remediation, Services, Environmental - Soil Services/Soil Sampling, Services, Intellectual - Leighton Consulting Inc 17781 Cowan Irvine Professional Engineer

Leinaia's Transportation 36232 43rd Street East Palmdale Transportation, Road - Hauling Services, Transportation, Road - Water Hauling

LG Energy Solution, Ltd. 1 LG Way Holland Supplier, No Onsite Field Work - Supplies, General Services, Industrial - Electrical Construction and/or Repair, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Protective Relays - Install and/or Maintenance, Supplies - Transformers - Install and/or Lighthouse Electric, Inc. 3585 E Date Ave, California Fresno Maintenance, Supplies - Uninterruptible Power Supply/Source (UPS) - Install and/or Maintenance

Lightspeed Networks LLC 9608 N 21st Dr Phoenix Services, Technical - Fiber Optics

Lincus Inc 8950 South 52nd Street, Ste 415 Tempe Services, Intellectual - Professional Engineer

Equipment - Telecommunication Transmission Equipment - Install and/or Maintenance, Services, Intellectual - Lion Communications Inc 425 E Arrow Hwy , # 231 Glendora Rigging and Lift Planning Consultant, Services, Technical - Fiber Optics

Lite on the Land Inc. 35846 Powerhouse Rd Auberry Services, Industrial - Forestry, Logging

Littens Backhoe Service, Inc. 18525 Clarisse St Bakersfield EquipmentMachinery - ExcavatingTelecommunication - Operations Transmission Equipment - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Machinery - Air Vacuum Excavation - Operations, Machinery - Civil Directional Drilling - Operations, Machinery - Excavating - Operations, Live Oak Utility Infrastructure LLC 3450 Broad St Ste 111 San Luis Obispo Cypress Safety Machinery - Hydro Excavation - Operations, Services, Technical - Locating of Utility Lines, Buried Cables and/or

L N A Concrete Structures, Inc. PO Box 58 Chino Hills LNA CONCRETE STRUCTURES Construction, General - Concrete Finishing/Surfacing

Lohman Helicopter LLC 406 Burrell Ave, N23, PO Box 976 Lewiston Machinery - Heavy Equipment - Operations

Lonestar West Services LLC 1225 Grace Ave Sacramento Machinery - Hydro Excavation - Operations

Long Beach Compressor, Inc. 1312 E. 29th Street Signal Hill Equipment - Compressors - Install and/or Maintenance

Machinery - Civil Directional Drilling - Operations, Oil and Gas, Drilling - Directional Drilling / Slant Drilling Long's Directional Boring, Inc. 1476 Bodie Pl Norco Operations

Los Angeles Air Conditioning, Inc 1714 Lindbergh Court La Verne Los Angeles Air Conditioning, Inc Construction,Equipment - Heating, General Ventilation - Civil Construction, and Air Conditioning Construction, (HVAC) General Systems - Concrete - Install Construction, and/or Maintenance Construction, General - Pipeline Construction, Construction, General - Water/Sewer Piping, Contractor, General - General Contractor, Machinery - Hydro Excavation - Operations, Oil and Gas, Pipelines - Gas Pipeline, Leak Repairs, Lyles Utility Construction LLC 1200 N Plaza Dr Visalia Services, Industrial - Welding Services, Services, Technical - Locating of Utility Lines, Buried Cables and/or

Construction, General - Civil Construction, Construction, General - Concrete Construction, Construction, Machado & Sons Construction, Inc 1000 S Kilroy Rd Turlock Contractor,General - Pier General and Grade - General Beam Contractor, Foundation Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Services, Industrial - Machine, Electrical Wiring, Supplies - Lightning Mad Electric Construction Inc. 2275 Purple Finch Court San Jacinto Arrestors - Install and/or Maintenance, Supplies - Transformers - Install and/or Maintenance

Equipment - Scaffolding - Install and/or Maintenance, Equipment - Scaffolding - Operations and/or Maintenance, Major Scaffold Inc 2908 E Hullett St Long Beach Services, Facilities - Pharmaceutical Facility Services

Construction, General - Piling/Deep Foundation, Oil and Gas, Drilling - Oil and Gas Well Drilling Operations, Oil Malcolm Drilling Company, Inc. 92 Natoma St, Suite 400 San Francisco and Gas, Drilling - Reverse Circulation Drilling Operations

Mallard Construction Inc. 1180 N Richfield Rd Anaheim Services, Facilities - Traffic Control/Flagging Equipment - Turbines - Install and/or Maintenance, Machinery - Mobile Crane - Operations, Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane Rigging/Rigger - Operations, Services, Industrial - Machining, Pumps Mammoet Northern USA Inc 858 Dawnwood Road Miquon George Young Mammoet and Blowers, Transportation, Road - Hauling Services

Services, Facilities - Industrial Plant Maintenance, Services, Industrial - Tree Trimming and/or Clearing, Wood Mario's Tree Service 937 Via Lata Ste 500 Colton Chipping

Services, Intellectual - Civil Engineering, Services, Intellectual - Drafting, Services, Intellectual - Professional Mark Thomas & Company Inc 10630 Town Center Dr Rancho Cucamonga Engineer, Services, Intellectual - Surveying

Martin Bros Marcowall Inc. 17104 S. Figueroa Street Gardena Construction, General - CleanroomFireproofing/Firestopping, Construction, Construction,Construction, GeneralGeneral -- Electrician,Interior Design Construction, Services General - Engineering Procurement and Construction (EPC), Construction, Transportation Infrastructure - Railroad Signal - Install and/or Maintenance, Equipment - Cathodic Protection Systems - Install and/or Maintenance, Equipment - Mass. Electric Construction Co. 400 Totten Pond Rd Ste 400, Suite 400 Waltham Cooling Towers - Install and/or Maintenance, Equipment - Electric Batteries - Install and/or Maintenance,

Master-Lee Energy Services, Inc. 5631 State Route 981 Latrobe Equipment - Nuclear Equipment - Install and/or Maintenance

Construction, General - Construction Management, Services, Intellectual - Cathodic Protection Engineering, Matergenics, Inc. 100 Business Center Drive, Suite 100 Pittsburgh Services, Intellectual - Consultant Services, Services, Intellectual - Metallurgical Engineering

Services, Environmental - Environmental, Services, Intellectual - Cultural Resources Management (CRM), Material Culture Consulting 2701 B North Towne Ave California Pomona Heritage Management

Construction, General - Underground Sewage Systems/Sewerage, Machinery - Hydro Excavation - Operations, Mattucci Plumbing Inc 13528 S Western Ave Gardena EquipmentServices, Technical - Elevators - Locating - Rental, of Equipment Utility Lines, - Equipment Buried Cables - Rental, and/or Machinery Pipelines - Forklift/Lift Truck - Operations, Machinery - Mobile Crane - Maintenance, Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane B&G Crane Services a Division of Rigging/Rigger - Operations, Machinery - Mobile Equipment - Onsite Repair, Services, Inspections and Testing - Maxim Crane Works, L.P. 1225 Washington Pike Bridgeville Maxim Crane Works Crane Inspection

Services, Industrial - Agriculture, Pesticide Applicator/Spraying, Services, Industrial - Tree Trimming and/or Maximus Tree Works LLC 1923 S 166th Ave Goodyear EquipmentClearing, Wood - Heating, Chipping Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Services, Intellectual - Meter Reader, Services, Technical - Fiber Optics, Services, Technical - Instrumentation - Meter Monitoring, Services, Technical - Instrumentation and M. B. Herzog Electric, Inc. 15709 Illinois Ave, California Paramount Electrical Analyzers, Supplies - Control Systems - Install and/or Maintenance, Supplies - Control Valves - Install

MCCORMICK BIOLOGICAL, INC. 3600 Pegasus Drive, Suite 12 Bakersfield Services, Intellectual - Consultant Services

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

McGrath Rent Corp. 1100 State Road 559 Auburndale Mobile Modular Equipment - Office Trailers, Mobile Buildings - Rental

Services, Environmental - Asbestos Assessment/Survey and/or Consulting, Services, Environmental - McKenna Environmental, Inc. 3353 Ramsey Rd Cambria McKenna Environmental, Inc. Environmental Consulting, Services, Intellectual - Geoscience Engineering

McMor Chlorination, Inc. 4700 District Blvd Bakersfield Construction,Services, Environmental General - Building - Water Construction,Treatment Construction, General - Civil Construction, Construction, General - Concrete Construction, Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, General - Demolition/Wrecking, Construction, General - Steel Erection and/or MCS Construction, Inc 2882 Larkin Ave Clovis Assembly, Machinery - Excavating - Operations, Services, Industrial - Drilling, Services, Industrial - Structural

MCS Glass, Inc. 3728 W. Ashcroft Ave FRESNO MCS Glass, Inc. Construction, General - Interior Design Services

MCY Tree Inc. 4343 W Lancaster Blvd Lancaster Services, IntellectualIndustrial - Tree- Cathodic Trimming Protection and/or Engineering,Clearing, Wood Services, Chipping Intellectual - Civil Engineering, Services, Intellectual - Consultant Services, Services, Intellectual - Control Engineering, Services, Intellectual - Drafting, Services, Intellectual - Electrical Engineering, Services, Intellectual - Health, Safety and/or Environmental (HSE) Mead & Hunt, Inc. 2440 Deming Way Middleton Consultant, Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Information Technology Services, Intellectual - Cathodic Protection Engineering, Services, Intellectual - Civil Engineering, Services, Intellectual - Electrical Engineering, Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Mega Volt, Inc 252 S Starglen Dr Covina Mechanical Engineering

Merchant Building Maintenance 1995 W Holt Ave Pomona Services, Cleaning - Janitorial Services, Services, Cleaning - Laboratory Cleaning

Merica Consulting Services, Inc. 981 Yukon Dr San Jacinto Services, Technical - Fire Protection

Meridian Services Group, LLC 1021 Parkside Commons Ste 103 Greensboro Services, Intellectual - CivilConsultant Engineering, Services, Services, Services, Intellectual Intellectual - Control - Site ConsultantEngineering, Services, Intellectual - Drafting, Services, Intellectual - Electrical Engineering, Services, Intellectual - Industrial Ergonomics Consultant, Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Mechanical Engineering, Services, Mesa Associates, Inc. 10604 Murdock Road, 10604 Murd Knoxville EquipmentIntellectual - ProfessionalHeating, Ventilation Engineer, and Services, Air Conditioning Intellectual (HVAC) - Surveying Systems - Install and/or Maintenance, Services, Cleaning - Air Duct/Ductwork Cleaning, Services, Inspections and Testing - Air Duct/Ductwork Inspection, Services, Inspections and Testing - HEPA Filter Certification and Testing, Services, Inspections and Testing - MESA ENERGY SYSTEMS, INC. 2 Cromwell Irvine EMCOR Services Hillcrest HVAC Testing, Adjusting and Balancing (TAB), Services, Intellectual - Duct Design (HVAC), Supplies - Filters -

Mesa Fence Co, Inc. 1303 W Oleander Ave Perris Mesa Fence Co, Inc. Contractor, General - General Contractor Construction, General - Electrician, Construction, General - Pipeline Construction, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Oil and Gas, Pipelines - Gas Pipeline, Leak Meterman, Inc. 27290 Scott Rd Menifee Beyond The Meter Repairs, Services, Industrial - Pumping Services, Water Transfer

Meyer Land Surveying 11774 Hesperia Road Suite C-1 Hesperia Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Topographic Surveying

Meyer & Reeder, Inc. 1255 N Patt St Anaheim Meyer & Reeder, Inc. Construction, General - Finishing Carpenter Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Concrete Paving, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, MHK Construction, Inc. 6700 Joe Ruddy Ct Ste A Hughson Machinery - CrawlerExcavating Crane - Operations - Rentals, Machinery - Crawler Crane, Rigging/Rigger - Operations, Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane Rigging/Rigger - Operations, Machinery - Rough Terrain Crane - Rentals, Machinery - Rough Terrain Crane, Rigging/Rigger - Operations, Machinery - Telescopic Crane - M Holding Co. 221 S 35th Ave Phoenix Services,Rentals, Machinery Environmental - Telescopic - Air Quality Crane, and Rigging/Rigger Meteorological - Monitoring,Operations, Services,Machinery Environmental - Truck-Mounted - Consulting, Crane - Permits, Services, Environmental - Environmental Conservation, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Quality Assurance (EQA), Services, Environmental - Michael Baker International 100 Airside Dr. Moon Township Construction,Environmental General Site Assessments - Concrete (PhaseCutting/Sawing, I, II and/or Construction, III), Services, General Environmental - Pipeline - Non-HazardousConstruction, Equipment Waste - Electric Power Systems - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Michels Pacific Energy, Inc. - Power 2200 Laurelwood Rd Santa Clara Maintenance, Machinery - Contract Operator, Machinery - Derrick Crane, Rigging/Rigger - Operations,

Micom Inc. 6150 Quail Valley Ct Riverside Services, Technical - Fiber Optics

Midwest Cooling Towers, Inc. 1156 Highway 19 E Chickasha Equipment - Cooling Towers - Install and/or Maintenance

2936 East Corondao Street, www.millennium- Millennium Environmental, Inc. env.com Anaheim Oil and Gas, Drilling - Oil and Gas Well Drilling Operations

Miller Bros Solar, LLC 301 Alan Wood Rd Conshohocken Services, Industrial - Electrical /Power Generation, Services, Industrial - Energy

Miller Equipment Company Inc 42636 8th St E Lancaster Machinery - Excavating - Operations

MissionGO, Inc. 1703 S Clinton St Baltimore MissionGO, Inc. Transportation, Air - Aerial Patrol/Inspection

Mission Paving and Sealing, Inc. 12747 Schabarum Ave Baldwin Park EquipmentConstruction, - Access Transportation Platforms, Infrastructure Elevated Lifts, - Roadwork/Road Temporary Platforms Maintenance - Install and/or Maintenance, Equipment - Scaffolding - Install and/or Maintenance, Equipment - Storage Tanks - Install and/or Maintenance, Oil and Gas, Offshore - Blasting and/or Painting, Oil and Gas, Pipelines - DOT Covered Tasks, Oil and Gas, Pipelines - MISTRAS Group, Inc. 4000 Underwood Rd La Porte Onstream Pipeline Inspection Pipeline Inspection, Oil and Gas, Servicing - Production Measurement, Oil and Gas, Servicing - Pumpjack

Mitsubishi Electric Power Products, Inc. - Substation Equipment - Electric Power Systems - Install and/or Maintenance, Supplier, No Onsite Field Work - Supplies, Division 530 Keystone Dr Warrendale General

Oil and Gas, Drilling - Directional Drilling / Slant Drilling Operations, Oil and Gas, Drilling - Oil and Gas Well M.J Directional Inc. 3113 Half Circle Rd Norco Drilling Operations, Oil and Gas, Drilling - Well Logging

Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping, Transportation, Road - Tanker/Tank Truck MLU Services Inc. 573 Hawthorne Ave Athens Services, Transportation, Road - Water Hauling

Equipment - Equipment - Rental, Supplier, No Onsite Field Work - Pumps, Supplies - Supplies and/or Equipment Mobile Mini Tank and Pump Solutions, Inc. 4646 E Van Buren St Ste 400 Phoenix - Rental

Construction, General - Civil Construction, Construction, General - Concrete Construction, Construction, MOC Incorporated 4030 Well Tech Way Bakersfield General - Concrete Finishing/Surfacing

Montrose Air Quality Services, LLC 14530 Barringer Ct Baton Rouge Services, Environmental - Emissions Testing

Moore Fence Company 280 E 1st Street Perris Supplies - Fence - Install and/or Maintenance

Mora's Equipment & Construction 9245 Nan St Pico Rivera Machinery - Heavy Equipment - Rentals

Morris, Inc. 4100 Birch St Ste 500 Newport Beach Contractor, General - General Contractor

Mountain Air Helicopters, Inc. 14 Elaine Dr, 14 Elaine Dr. Los Lunas Transportation, Air - Charter Helicopter Services

Mountain Mowers 33211 Stillwater Ln, 33211 Stillwater Ln Auberry Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping Services, Environmental - Consulting, Permits, Services, Environmental - Environmental Conservation, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental, Services, Mountainview Biological Consulting 587 Wildrose Ln Spc 23 Crestline Environmental - Wetland Delineation

Oil and Gas, Servicing - Downhole Services, Oil and Gas, Servicing - Pumper Services, Oil and Gas, Servicing - MPACT Energy Services, LLC 2225 Ashland Ave Fort Worth Construction,Wireline Services, General Oil and- Demolition/Wrecking, Gas, Servicing - Workover Equipment - Storage Tanks - Install and/or Maintenance, Machinery - Excavating - Operations, Oil and Gas, Pipelines - DOT Covered Tasks, Services, Cleaning - Industrial Cleaning, Services, Cleaning - Tank Cleaning, Services, Environmental - Emergency Response, MP Environmental Services 3400 Manor Street, 1617 James Road Bakersfield Services, Environmental - Environmental Consulting, Services, Environmental - Hazardous Waste/Chemical

MPW Industrial Water Services, Inc. 9711 Lancaster Road S.E. Hebron Services, Environmental - Resin Treatment/Restoration, Services, Environmental - Water Treatment

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Machinery - Mobile Crane - Maintenance, Machinery - Mobile Crane - Operations, Machinery - Mobile Crane - Mr. Crane Inc 647 N Hariton St. Orange Rentals, Machinery - Mobile Crane Rigging/Rigger - Operations

M. Sawcutting, Inc. 1000 S Kilroy Rd Turlock Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing

MSH Construction Co., Inc. 15301 Connector Lane Huntington Beach Contractor, General - General Contractor

Manufacturer, No Onsite Field Work - Power Transmission Products, Supplies - Electrical Switchgear - Install Myers Power Products, Inc. 2950 E Philadelphia St Ontario and/or Maintenance

Nate's Tree Service 16603 Meadowlark Dr Sonora Services, Industrial - Land Clearing, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

National Paving PO Box 3649 Riverside Construction, Transportation Infrastructure - Asphalt Paving National Waste Management West, Inc., National Waste Management National Waste Management Louisiana, Inc. 13901 Hwy 28 East Deville Companies Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Nation Wide Bird Control 1852 W 11th St #354 Tracy Services, Facilities - Fumigation/Extermination/Pest Control Services Services, Inspections and Testing - Electrical, Services, Inspections and Testing - Inspection, Services, Inspections and Testing - Leak Detection, Services, Inspections and Testing - Tank Inspection, Services, Native American Transformer Services, Inc. 9190 Double Diamond Pkwy Reno Construction,Inspections and General Testing - Electrician,- Tank Sampling Services, Industrial - Electrical /Power Generation, Services, Industrial - Machine, Electrical Wiring, Services, Inspections and Testing - Electrical, Services, Technical - Electrical, Voice Data Wiring, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Lightning Arrestors - Install Neal Electric 2790 Business Park Dr Vista and/or Maintenance, Supplies - Transformers - Install and/or Maintenance, Supplies - Uninterruptible Power

NEC Energy Solutions 155 Flanders Rd Westborough Services, Industrial - Energy

Services, Intellectual - Civil Engineering, Services, Intellectual - Drafting, Services, Intellectual - Electrical NEI Electric Power Engineering Inc 12600 W Colfax Ave, Suite C-500 Lakewood Engineering

Nelson's Painting Inc. 2594 Ashcroft Ave. Clovis Construction, General - Painter/Painting

Nelson Tree Service, LLC 3300 Office Park Drive Dayton Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Nexgen Energy Systems, Inc. 2900 29th Ave SW, Suite B Tumwater Construction,Services, Industrial General - Electrical - Construction Instrumentation Consultant, Services, Environmental - Asbestos Assessment/Survey and/or Consulting, Services, Environmental - Emergency Response, Services, Environmental - Environmental Ninyo & Moore Geotechnical & Environmental Sciences Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Consultants 5710 Ruffin Rd San Diego Environmental - Environmental, Services, Environmental - Land Reclamation/Rehabilitation, Services,

NKT Photonics 3514 N Vancouver Ave Ste 310 Portland LIOS Technology Supplies - Safety Instrumented Systems (SIS) - Install and/or Maintenance

Construction, Transportation Infrastructure - Asphalt Paving, Machinery - Heavy Equipment - Operations, Nold's Equipment, Inc. 5529 E Monlaco Rd Long Beach Machinery - Heavy Equipment - Rentals

Nor Cal Pipeline Services 983 Reserve Dr Roseville Contractor, General - General Contractor

Norris Tower Incorporated 3273 Trade Center Dr Riverside Equipment - Communication Towers - Install and/or Maintenance Equipment - Telecommunication Transmission Equipment - Install and/or Maintenance, Services, Technical - Audio/Visual, Services, Technical - Information Technology (IT) Support, Supplies - Computer Hardware - Install Norstan Communications Inc. 9155 Cottonwood Ln N Maple Grove and/or Maintenance, Supplies - Telephones - Install and/or Maintenance

North California Tree Experts PO Box 7485 Norco Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Services, Intellectual - Civil Engineering, Services, Intellectual - Drafting, Services, Intellectual - Environmental Northgate Environmental Management, Inc. 428 13th Street, Fourth Floor Oakland MachineryEngineering, - Excavating Services, Intellectual - Operations, - Professional Services, Environmental Engineer - Environmental Consulting, Services, Environmental - Environmental, Services, Environmental - Soil and/or Waterbody Remediation, Services, Environmental - Soil Services/Soil Sampling, Services, Intellectual - Environmental Engineering, Services, Northstar Environmental Remediation 26225 Enterprise Ct Lake Forest Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Professional Engineer Construction, General - Demolition/Wrecking, Contractor, General - General Contractor, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Intellectual - Acoustical/Acoustic Novi Environmental, Inc. 31879 Corydon Street, Ste. 140 Lake Elsinore Novi Environmental, Inc. Engineering, Services, Intellectual - Cathodic Protection Engineering

NOVO Construction 1460 O'Brien Drive Menlo Park Construction, General - Building Construction

Construction, General - Civil Construction, Oil and Gas, Pipelines - DOT Covered Tasks, Oil and Gas, Pipelines - NPL Construction Co. – S. California 3190 Cornerstone Dr Eastvale NPL Construction Co. Gas Pipeline, Leak Repairs

Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power NRG Power Inc. 3011 S Shannon St Santa Ana Pole, Power Line) - Install and/or Maintenance, Services, Industrial - Machine, Electrical Wiring Oil and Gas, Geophysical/Seismic - Seismic Data Acquisition, Services, Intellectual - Control Engineering, Services, Intellectual - Drafting, Services, Intellectual - Electrical Engineering, Services, Intellectual - Industrial NTWOS, LP 2101 Business Center Dr, Ste 120 Irvine N2S Services,Ergonomics Environmental Consultant, Services,- Asbestos Intellectual Assessment/Survey - Professional and/or Engineer Consulting, Services, Environmental - Mold Assessment/Sampling and/or Consulting, Services, Intellectual - Arc Flash Analysis, Services, Intellectual - Architect, Design, Services, Intellectual - Architect, Drafting, Services, Intellectual - Cathodic Protection NV5, Inc. 2525 Natomas Park Drive #300 Sacramento Services,Engineering, Environmental Services, Intellectual - Emergency - Consultant Response, Services, Services, Services, Environmental Intellectual - Hazardous - Training Waste/Chemical Services Waste Management Services, Services, Environmental - Non-Hazardous Waste Management, Services, Environmental - Soil and/or Waterbody Remediation, Services, Environmental - Spill Cleanup, Transportation, Road - OC Vacuum, Inc. 5900 Cherry Ave Long Beach Hazardous Waste/Chemical Waste Transportation, Transportation, Road - Vacuum Truck

Equipment - Electric Generators - Install and/or Maintenance, Supplies - Generators - Rental, Supplies - Odyssey Power Corporation 625 N Shepard St Anaheim Construction,Uninterruptible General Power Supply/Source- Demolition/Wrecking, (UPS) - InstallConstruction, and/or Maintenance General - Interior Design Services, Construction, General - Steel Erection and/or Assembly, Equipment - Access Platforms, Elevated Lifts, Temporary Platforms - Install and/or Maintenance, Equipment - Compressors - Install and/or Maintenance, Equipment - Conveyor OGI Inc 3520 E Enterprise Dr Anaheim Systems - Install and/or Maintenance, Equipment - Industrial Equipment / Machinery - Install, Equipment -

Oldcastle Infrastructure Inc 7000 Central Parkway, Ste 800 Atlanta Oldcastle Precast Inc Construction, General - Precast Concrete - Install and/or Maintenance

Olson Wagner Construction Inc 1327 Barstow Ave Clovis Construction, General - Building Construction

OneSource Supply Solutions 3951 Oceanic Dr Oceanside Construction,Supplier, No Onsite General Field - Electrical Work - Electrical Construction, Supplies Contractor, General - General Contractor, Services, Inspections and Testing - Infrared, Services, Inspections and Testing - Inspection, Services, Inspections and Testing - Non- destructive Testing (NDT), Services, Inspections and Testing - Thermographic Testing, Services, Inspections OneSpan Powerline Services, LLC TWO PERIMETER PARK SOUTH, Ste. 130 BIRMINGHAM and Testing - Visual/Optical Inspections and/or Testing, Transportation, Air - Aerial Geophysical Surveying

One Stop Concrete Pumping Service, Inc. 20314 Wilder Ave. can Lakewood Construction, General - Concrete Construction, Construction, General - Concrete Pumping Services

On-Target Electric Inc. 17691 Mitchell N Ste B Irvine Contractor, General - General Contractor

On The Road Ventures 34455 Yucaipa Blvd Ste 208 Yucaipa Bancroft Construction Services Services, Environmental - Air Quality and Meteorological Monitoring, Services, Environmental - Water Treatment

OST Trucks and Cranes, Inc 2951 N. Ventura Ave Ventura Machinery - Mobile Crane - Maintenance, Transportation, Road - Hauling Services

Otis Elevator Company - Western Region 5500 Village Blvd West Palm Beach Equipment - Elevators/Lifts and/or Escalators - Install and/or Maintenance

Outback Contractors, Inc 13670 State Highway 36 E Red Bluff Outback Contractors, Inc Construction, General - Civil Construction, Services, Industrial - Drilling

Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Services, Industrial - Outsource Utility Contractor Corporation 8015 E Crystal Dr Anaheim Electrical Construction and/or Repair

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Services, Inspections and Testing - Infrared, Services, Intellectual - Surveying, Services, Technical - Remotely Overwatch Aero, LLC 1248 Alamo Pintado Rd. Solvang Overwatch Aero Utilities, LLC Operated Vehicle (ROV), Transportation, Air - Aerial Geophysical Surveying Services

P31 Enterprises, Inc. 2015 Challenger Ave Ste A Oroville Services, Industrial - Forestry, Logging, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Pacific Coast Tree Experts 21525 Strathern St Canoga Park Services, Industrial - Forestry, Logging, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping Construction, General - Civil Construction, Construction, General - Concrete Construction, Construction, General - Concrete Finishing/Surfacing, Construction, General - Concrete Pumping Services, Construction, Pacific Gold Marketing, Inc. 745 Broadway St Fresno Construction,General - Pier Generaland Grade - Civil Beam Construction, Foundation, Construction, Machinery - GeneralExcavating - Concrete - Operations Construction, Construction, General - Storage Tanks, Contractor, General - General Contractor, Equipment - Storage Tanks - Install and/or Maintenance, Machinery - Excavating - Operations, Oil and Gas, Pipelines - DOT Covered Tasks, Services, Pacific Hydrotech Corporation 314 E. 3rd. St. Perris Industrial - Welding Services

Services, Industrial - General Mechanical Contractor/Millwright, Services, Industrial - Welding Services, Supplies Pacific Industrial Constructors, Inc. 4956 E Pontiac Way Fresno - Process Piping/Pipe Fitting - Install and/or Maintenance

Pacific Lift and Equipment Company 61 W. Mountain St. Pasadena Supplier, No Onsite Field Work - Sales, General

Equipment - Irrigation Sprinklers, Underground Sprinklers - Install and/or Maintenance, Services, Environmental - Pacific Restoration Group, Inc. 506 W Graham Ave Ste 204 Lake Elsinore Construction,Erosion Control General - Civil Construction, Construction, General - Interior Design Services, Construction, General - Painter/Painting, Construction, General - Steel Erection and/or Assembly, Construction, General - Storage Tanks, Contractor, General - General Contractor, Equipment - Scaffolding - Install and/or Maintenance, Pacific Tank & Construction 31551 Avenida Los Cerritos San Juan Capistrano Equipment - Scaffolding - Operations and/or Maintenance, Equipment - Storage Tanks - Install and/or

Pacific Technical Resources, Inc. 13505 Yorba Ave Ste V Chino Services, Industrial - Electrical Instrumentation

Pacific Wall Systems, Inc 1201 N Barsten Way Anaheim Construction, General - Interior Design Services, Equipment - Scaffolding - Operations and/or Maintenance

Pacific Weed Control 4081 E la Palma Ave Ste K Anaheim Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping Machinery - Heavy Equipment - Operations, Machinery - Heavy Equipment - Rentals, Services, Environmental - Dewatering Services, Supplies - Fuel Dispensers - Install and/or Maintenance, Supplies - Supplies and/or Pac Machine Company, Inc 8750 23rd Ave Sacramento Equipment - Rental, Transportation, Road - Septic Waste Services

Services, Intellectual - Archaeological Services, Services, Intellectual - Cultural Resources Management (CRM), Paleo Solutions, Inc. 911 S Primrose Ave Ste N Monrovia Heritage Management Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power 4770 N Belleview Ave Ste 300, 4770 N Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - PAR Electrical Contractors, Inc. Belleview Ave Ste 300 Kansas City Construction,Install and/or Maintenance,General - Civil Services, Construction, Industrial Construction, - Machine, General Electrical - Engineering Wiring Procurement and Construction (EPC), Contractor, General - General Contractor, Oil and Gas, Geophysical/Seismic - Seismic Data Acquisition, Services, Industrial - Electrical Construction and/or Repair, Services, Intellectual - Acoustical/Acoustic Parkia, Inc. 10450 Pioneer Blvd., Suite 3 Santa Fe Springs Parkia, Inc. Services,Engineering, Inspections Services, and Intellectual Testing - Electrical,Architect, Drafting,Services, Services, Inspections Intellectual and Testing - Civil - Infrared, Engineering, Services, Services, Inspections and Testing - Inspection, Services, Inspections and Testing - Machinery Inspection, Services, Inspections and Testing - Safety Equipment Inspection, Services, Inspections and Testing - Visual/Optical Inspections and/or PAR Western Line Contractors, LLC 4770 N Belleview Ave Kansas City QUES Services,Testing, Services, Environmental Intellectual - Emergency - Civil Engineering, Response, Services,Services, IntellectualEnvironmental - Drafting, - Hazardous Services, Waste/Chemical Intellectual - Waste Management Services, Services, Environmental - Non-Hazardous Waste Management, Services, Environmental - Soil and/or Waterbody Remediation, Services, Environmental - Soil Services/Soil Sampling, Services, Patriot Environmental Services, Inc. 508 E E St Ste A Wilmington Environmental - Spill Cleanup, Services, Technical - Confined Space Attendant, Services, Technical - Confined

Patriot General Engineering Inc 12566 Vigilante Rd. Lakeside Machinery - Excavating - Operations

Patriot Paving Inc 2300 N Batavia St Orange Patriot Paving Inc. Construction, Transportation Infrastructure - Asphalt Paving

Pavement Recycling Systems, Inc. 10240 San Sevaine Way Jurupa Valley OilMachinery and Gas, - HeavyPipelines Equipment - Pipeline - OperationsInspection, Services, Inspections and Testing - Cathodic Protection Inspections, Services, Inspections and Testing - Coating/Lining Inspection and/or Quality Assurance, Services, Inspections and Testing - Hydrostatic Testing/Pressure Testing, Services, Inspections and Testing - Inspection, Services, Paxon Energy & Infrastructure, LLC 4695 Chabot Dr, Ste 115 Pleasanton Inspections and Testing - Non-destructive Testing (NDT), Services, Inspections and Testing - Pigging

Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Surveying, Services, Intellectual - PBLA Surveying , Inc. 1481 Ford St., Ste. 201 Redlands Topographic Surveying

PCI 975 West 1st Street Azusa Construction, Transportation Infrastructure - Line Painting of Roads and/or Parking Lots

Pearce Services, LLC 1222 Vine St Paso Robles Pearce Services, LLC Services, Intellectual - Drafting, Services, Intellectual - Surveying

Penhall Company 7501 Esters Blvd. , Ste. 150 Irving Penhall Company - Irving, TX HQ Construction, General - Demolition/Wrecking

Construction, General - Building Construction, Construction, General - Interior Design Services, Contractor, Perera Construction & Design, Inc. 2890 Inland Empire Blvd Ste 102, #102 Ontario Perera Construction & Design, Inc. Construction,General - General General Contractor, - Acoustical/Acoustic Services, Industrial Construction, - General Construction, Mechanical Contractor/MillwrightGeneral - Demolition/Wrecking, Construction, General - Finishing Carpenter, Construction, General - Interior Design Services, Construction, General - Joint Sealing, Caulking and/or Waterproofing, Construction, General - Painter/Painting, Equipment - Performance Contracting, Inc. 11145 Thompson Ave Lenexa Scaffolding - Install and/or Maintenance, Equipment - Scaffolding - Operations and/or Maintenance, Equipment -

Persson Inc. 40077 Enterprise Dr Ste D Oakhurst California Paving Co Construction, Transportation Infrastructure - Asphalt Paving

Peterson Grading and Paving 515 W Cully Dr Orange 2/28/2004 Construction, GeneralTransportation - Epoxy Infrastructure and/or Polymer - Asphalt Coatings, Paving Construction, General - Painter/Painting, Equipment - Scaffolding - Operations and/or Maintenance, Machinery - Mobile Equipment - Maintenance, Services, Environmental - Asbestos Abatement/Removal, Services, Environmental - Lead Abatement, Services, Industrial - Petrochem Insulation Inc 901 Bean road sellersburg Services,Lining and/or Environmental Coating of Objects,- Air Quality Structures, and Meteorological and/or Equipment, Monitoring, Services, Services, Industrial Environmental - Pipeline, -Coating Emergency Repair Response, Radiological/Radiation, Services, Environmental - Emissions Testing, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Philotechnics, Ltd. 201 Renovare Blvd, Tennessee Oak Ridge Services, Environmental - Consulting,Hazardous Waste/ChemicalPermits, Services, Waste Environmental Management - Environmental Services, Services, Conservation, Environmental - Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Quality Assurance (EQA), Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services, Phoenix Biological Consulting, Inc 313 Nicole Dr Vista Phoenix Biological Consulting, Inc Environmental - Environmental, Services, Environmental - Wetland Delineation

Pino Tree Service, Inc. 54960 Pine Crest Ave. #5 Idyllwild Services, Industrial - Forestry, Logging, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Pius Construction, Inc. 38261 Solitude Ln. Shaver Lake Contractor, General - General Contractor

3240 EL CAMINO REAL, SUITE 230, Suite Construction, General - Demolition/Wrecking, Services, Environmental - Soil and/or Waterbody Remediation, Pivox Corporation 230 IRVINE Services, Intellectual - Environmental Engineering

P&J Electric, Inc. 349 Enterprise Way Tehachapi Services, Industrial - Instrumentation and Electrical, Supplies - Electrical Switchgear - Install and/or Maintenance

Platinum Industrial, Inc. 7004 Green Mountain Rd Woodland Contractor, General - General Contractor

Plumbing, Piping & Construction, Inc. 5950 Lakeshore Dr Cypress Construction, General - Building Construction

Poston Logging LLC 25670 Richards Ranch Road Sonora Services, Industrial - Forestry, Logging

POWER Engineers Inc. 3940 Glenbrook Drive, P.O. Box 1066 Hailey Power Testing and Energization, Inc. Construction,Services, Intellectual General - -Professional Civil Construction, Engineer Construction, General - Concrete Construction, Construction, General - Concrete Finishing/Surfacing, Construction, General - Demolition/Wrecking, Construction, General - Electrician, Construction, General - Pier and Grade Beam Foundation, Equipment - Electric Power Systems - Power Grade, Inc. 2115 S. Cucamonga Ave. Ontario Install and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or

Construction, General - Civil Construction, Equipment - Electric Power Systems - Install and/or Maintenance, Powerhouse Grading Inc. 2834 Hamner Ave #124 Norco Machinery - Heavy Equipment - Operations

Power One LLC 2550 E Miraloma Way Ste 200 Anaheim Construction, General - Demolition/Wrecking

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Powertec Company Inc. 5150 E la Palma Ave Ste 209 Anaheim Contractor, General - General Contractor

PPC Air Conditioning, Inc. 5950 Lakeshore Dr Cypress Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance

Prava Construction Services, Inc. 344 N Vinewood St Escondido Prava CSI Contractor, General - General Contractor

PrecisionHawk, Inc. 410 Glenwood Avenue, Suite 200 Raleigh PrecisionHawk Services, Intellectual - Cathodic Protection Engineering

Precon Industries Inc 725 Oak St Santa Maria Premier Drywall Construction, General - Drywall, Taping/Mudding Construction, General - Building Construction, Construction, General - Steel Erection and/or Assembly, Contractor, General - General Contractor, Services, Industrial - Iron Work/Ironworker, Services, Industrial - Pre-Fab Builders Inc. 1364 E Valencia Dr Fullerton Metals, Services, Industrial - Welding Services

Construction, General - Electrician, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Preferred Power Solutions Inc 1400 Easton Dr., Suite 16 Bakersfield Maintenance

Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Information Technology (IT) Pride Resource Partners, LLC 4550 Kearny Villa Rd Ste 202 San Diego Construction,Consultant General - Civil Construction, Construction, General - Construction Consultant, Construction, General - Construction Management, Machinery - Forklift/Lift Truck - Operations, Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping, Services, Facilities - Traffic Control/Flagging, Services, Pro Energy Services Group LLC 2060 Aldergrove Ave Escondido Construction,Inspections and General Testing - Steel- Electrical, Erection Services, and/or Assembly,Staffing/Placement Construction, - General General Laborers, - Storage Services, Tanks, Equipment - Turbines - Install and/or Maintenance, Machinery - Mobile Crane - Operations, Services, Facilities - Industrial Plant Shutdown/Turnaround, Services, Industrial - Electrical Construction and/or Repair, Services, Industrial - ProEnergy Services LLC 2001 ProEnergy Blvd. Sedalia Construction,Steel Cutting, GeneralServices, - ConcreteIndustrial Construction,- Storage Tank Construction, Liners and/or General Coatings - Concrete - Install and/or Core Drilling/Boring,Maintenance, Services, Construction, General - Concrete Cutting/Sawing, Construction, General - Electrician, Construction, General - Pier and Grade Beam Foundation, Construction, General - Precast Concrete - Install and/or Maintenance, Professional Electrical Construction Services, Inc. 9112 Santa Anita Ave Rancho Cucamonga PECS Inc Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Underground Electric Utility

Proteus Inc 1830 N Dinuba Blvd Visalia Contractor, General - General Contractor

Pro Traffic Services, Inc. 321 Hunter St Ramona EquipmentServices, Facilities - Storage - TrafficTanks Control/Flagging- Install and/or Maintenance, Machinery - Hydro Excavation - Operations, Oil and Gas, Pipelines - DOT Covered Tasks, Oil and Gas, Pipelines - Pipeline Inspection, Services, Cleaning - Tank Cleaning, Services, Environmental - Asbestos Abatement/Removal, Services, Environmental - Dewatering PSC Industrial Outsourcing - Utilities 2050 W Fremont St Stockton PSC Industrial Services, Inc. Services, Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services,

Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Land Surveying, Services, Intellectual - PSOMAS 5 Hutton Centre Drive, Suite 300 Santa Ana Surveying, Services, Intellectual - Topographic Surveying

Puretec Industrial Water 3151 Sturgis Rd Oxnard Supplier, No Onsite Field Work - Supplies, General

Quality Ag, Inc. 2382 Goodenough Rd. Fillmore Transportation, Rail - Railway Corridors, Clearing Limits

Quality Conservation Services, Inc. 4751 Arrow Highway, California Montclair Contractor, General - General Contractor

Machinery - Overhead and Gantry Crane - Maintenance, Services, Inspections and Testing - Fixed Crane Quality Hoist & Electric 952 Barcelona Pl Walnut Inspection

Quality Material Handling, Inc. 10156 Sharon Cir Rancho Cucamonga Supplies - Heavy Duty Shelving and Pallet Racking - Design, Install and/or Maintenance Services, Inspections and Testing - Non-destructive Testing (NDT), Services, Inspections and Testing - Pigging Inspection, Services, Nondestructive Testing - Nondestructive Testing Services (NDT), Services, Nondestructive Quest Integrity USA, LLC 10750 Cash Rd Stafford Testing - Pipeline Inspection

Construction Management Solutions Quest Project Controls, Inc 114 W Colorado Blvd Monrovia CMS EquipmentServices, Intellectual - Electric Generators- Consultant - InstallServices and/or Maintenance, Equipment - Equipment - Rental, Machinery - Quinn Company; Quinn Power Heavy Equipment - Maintenance, Machinery - Heavy Equipment - Operations, Machinery - Heavy Equipment - Systems; Quinn Rental Services; Rentals, Services, Inspections and Testing - Heavy Equipment Inspection, Supplier, No Onsite Field Work - Quinn Group, Inc. 10006 Rose Hills Rd. City of Industry Quinn Lift Heavy Equipment, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Generators - Rental,

RailPros Field Services 1320 Greenway Dr., Suite 490 Irving RailPros Inc. Services, Facilities - Traffic Control/Flagging

R&B Automation, Inc 42180 Zevo Dr. Temecula R&B Automation, Inc Supplies - Pneumatic Instrumentation - Install and/or Maintenance

R&B Quality Tree Care 2840 U St Antelope Tree Services Services, Industrial - Land Clearing, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

RCS Safety, LLC 900 S Maple Ave Montebello Roadway Construction Service Services, Technical - Safety

R & D Steel, Inc. 1136 South Santa Fe Ave Compton R & D Steel, Inc. Services, Industrial - Metals

Red Hawk Services, Inc. 262 E 1st St Perris Red Hawk Services, Inc. Supplies - Fence - Install and/or Maintenance Transportation, Road - Freight Hauling, Transportation, Road - General Trucking Services, Transportation, Road - Hauling Services, Transportation, Road - Heavy Industrial Trucking, Transportation, Road - Load Tarping Reeve Trucking Company Inc. 5050 Carpenter Rd Stockton Reeve Trucking Company Inc. Services

Reliable Construction Services LLC 260 N Smith Ave Corona Construction,Machinery - Mobile General Crane - Demolition/Wrecking, Rigging/Rigger - Operations Construction, General - Pipeline Construction, Contractor, General - General Contractor, Machinery - Excavating - Operations, Oil and Gas, Pipelines - DOT Covered Tasks, Oil and Gas, Servicing - Casing Cutter Operations, Services, Industrial - Pipeline, Coating Repair Services, Remedial Transportation Services, Inc. 31194 Shelby Ln Shafter Construction,Transportation, General Road - -Dump Engineering Truck Services,Procurement Transportation, and Construction Road -(EPC), Hauling Equipment Services, -Transportation, Overhead Electric Road Utility - (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Service, Equipment - Telecommunication Transmission (Poles, Lines) - Install and/or Renewable Energy Systems Americas Inc. 11101 W. 120th Ave. , Suite 400 Broomfield Service, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Equipment -

Rentokil North America, Inc. d/b/a Services, Facilities - Fumigation/Extermination/Pest Control Services, Services, Industrial - Agriculture, Pesticide Rentokil North America, Inc. 1125 Berkshire Blvd Ste 150 Reading Rentokil Steritech Applicator/Spraying

Republic Pavement Maintenance 25503 Water Wheel Ct Menifee Republic Pavement Maintenance Construction, Transportation Infrastructure - Asphalt Paving

RESA Power Solutions -Transformer RESA Power, LLC - California 13837 Bettencourt St Cerritos Services, LLC Supplies - Transformers - Install and/or Maintenance

R.E.Y. Engineers, Inc. 905 Sutter Street, STE 200 Folsom Services, Intellectual - Civil Engineering

R.F. MacDonald Company 10261 Matern Pl Santa Fe Springs Equipment - Boilers - Install and/or Maintenance

Transportation, Road - Freight Forwarder, Transportation Logistics, Transportation, Road - Freight Hauling, Rig Runners Inc. / Patterson Motor Freight, Inc. 519 N Sam Houston Pkwy E #600 houston Rig Runner Transportation, Road - General Trucking Services, Transportation, Road - Hauling Services

Rincon Consultants Inc. 180 N Ashwood Ave Ventura EquipmentServices, Environmental - Electric Generators - Environmental - Install and/or Consulting Maintenance, Equipment - Electric Power Systems - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Services, Industrial - Rising Edge Technologies (California), Instrumentation and Electrical, Services, Industrial - Machine, Electrical Wiring, Supplies - Electrical Switchgear - Rising Edge Technologies, LLC 16430 Park Ten Pl Ste 550 Houston LLC Construction,Install and/or Maintenance,General - Concrete Supplies Core - Lightning Drilling/Boring, Arrestors Construction, - Install and/or General Maintenance, - Concrete Supplies Cutting/Sawing, - Protective Construction, General - Demolition/Wrecking, Contractor, General - General Contractor, Machinery - Contract Operator, Machinery - Excavating - Operations, Machinery - Heavy Equipment - Operations, Machinery - Heavy R J Allen Concrete Services Inc. 1713 Juliet Ct Brea Construction,Equipment - Rentals, General Oil - Civil and Construction,Gas, Drilling - Construction, Drilling Consultant, General Oil - andConcrete Gas, DrillingCore Drilling/Boring, - Oil and Gas Construction,Well Drilling General - Concrete Cutting/Sawing, Construction, General - Demolition/Wrecking, Contractor, General - General Contractor, Machinery - Contract Operator, Machinery - Excavating - Operations, Machinery - Heavy Equipment - R.J. Allen Inc. 10392 Stanford Avenue Garden Grove Construction,Operations, Machinery General - - Construction Heavy Equipment Consultant, - Rentals, Construction, Oil and Gas, Transportation Drilling - Drilling Infrastructure Consultant, - Rail Oil andBridge Gas, Inspection, Construction, Transportation Infrastructure - Rail Track Inspection, Oil and Gas, Pipelines - Pipeline Inspection, Services, Inspections and Testing - Civil, Services, Inspections and Testing - Coating/Lining RMA GeoScience 12223 Highland Ave suite 106-579 Rancho Cucamonga Inspection and/or Quality Assurance, Services, Inspections and Testing - Eddy Current Array (ECA), Services,

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Construction, General - Construction Consultant, Construction, Transportation Infrastructure - Rail Bridge Inspection, Construction, Transportation Infrastructure - Rail Track Inspection, Oil and Gas, Pipelines - Pipeline Inspection, Services, Inspections and Testing - Civil, Services, Inspections and Testing - Coating/Lining RMA Group 12130 Santa Margarita Ct Rancho Cucamonga SiteScan Inspection and/or Quality Assurance, Services, Inspections and Testing - Eddy Current Array (ECA), Services,

Roadsafe Railroad & Utility Division 2215 E Pinto Dr Gilbert Supplies - Safety Supplies and/or Equipment - Rental

Construction, Transportation Infrastructure - Asphalt Paving, Construction, Transportation Infrastructure - Roadway Construction Inc. 1 Market Plaza Spear Tower Suite 3600 San Francisco Concrete Paving

Hudson Safe-T-Lite Traffic Control Equipment - Equipment - Rental, Services, Facilities - Traffic Control/Flagging, Supplies - Safety Supplies and/or Robcar Corporation 1215 N Marshall Ave El Cajon Company Equipment - Rental, Supplies - Supplies and/or Equipment - Rental

Construction, General - Concrete Construction, Equipment - Electric Power Systems - Install and/or Roberson Waite Electric 174 E Liberty Ave Anaheim Construction,Maintenance, GeneralMachinery - Pipeline - Excavating Construction, - Operations, Equipment Supplies - Storage - Protective Tanks Relays - Install - Installand/or and/or Maintenance, Maintenance Machinery - Excavating - Operations, Machinery - Mobile Crane - Operations, Machinery - Mobile Crane Rigging/Rigger - Operations, Services, Cleaning - Tank Cleaning, Services, Facilities - Security Services, Robert Heely Construction 5401 Woodmere Drive Bakersfield Industrial Patrols, Industrial Surveillance, Services, Industrial - Cold Cutting, Services, Industrial - Hot Tapping,

Construction, General - Concrete Construction, Construction, General - Finishing Carpenter, Supplies - Fence - Roebbelen Contracting Inc 1241 Hawks Flight Ct El Dorado Hills Install and/or Maintenance

Rogers Helicopters Inc. 5508 E Aircorp Way Fresno Transportation, Air - Charter Helicopter Services Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Services, Environmental - Erosion Rokstad Power, Inc. 3633 Seaport Blvd West Sacramento Control

Rolling Green Inc 401 W 4th St San Bernardino Rolling Green Inc Services, Industrial - Forestry, Logging, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Services, Industrial - Electrical Construction and/or Repair, Supplies - Electrical Switchgear - Install and/or Rosendin Electric, Inc. 880 Mabury Road San Jose Maintenance

Oil and Gas, Offshore - Charter Helicopter Services, Transportation, Air - Aerial Patrol/Inspection, ROTAK, LLC 5014 Captain Hill Ct Anchorage ROTAK HELICOPTER SERVICES Transportation, Air - Charter Helicopter Services, Transportation, Air - Emergency Response Services, Air

Royal Crest Building Maintenance Inc 8601 Roland St Ste E Buena Park Services, Cleaning - Janitorial Services

Royal Smit Transformers BV GROENESTRAAT 336 NIJMEGEN Supplier, No Onsite Field Work - Electrical Supplies

R P Ruiz Corp 554 Dawson Dr Camarillo Richards Construction Services,Machinery Environmental - Excavating - -Operations Air Quality and Meteorological Monitoring, Services, Environmental - Consulting, Permits, Services, Environmental - Emissions Testing, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Drilling, Services, Environmental - Environmental Quality Assurance Rubicon Engineering Corporation 12831 Newport Avenue, STE #200 Tustin (EQA), Services, Environmental - Environmental Site Assessments (Phase I, II and/or III), Services,

Rusty Cours Concrete Pumping, Inc. 2225 Orange Ave Signal Hill Construction, General - ElectricalConcrete Construction,Pumping Services Construction, General - Electrician, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Motors - Install and/or Maintenance, Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Photovoltaic Systems / Solar Panels - Install RW Electrical Construction 936 Danton Dr Glendora and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Services, Industrial - Machine,

Saar's Creative Concrete 35776 Lodge Road Tollhouse Saar's Creative Concrete Construction, General - Concrete Finishing/Surfacing

Saddleback Surveys, Inc. 23392 Madero Ste C Mission Viejo Services, EnvironmentalIntellectual - Surveying - Emergency Response, Services, Environmental - Environmental, Services, Environmental - Hazardous Waste/Chemical Waste Management Services, Services, Environmental - Non- Hazardous Waste Management, Services, Environmental - Recycling Services, Services, Environmental - Spill Safety-Kleen Systems Inc 42 Longwater Dr Norwell Cleanup, Services, Environmental - Used Oil/Waste Oil - Combustion and/or Recycling, Services, Environmental

Oil and Gas, Offshore - Health, Safety and/or Environmental (HSE) Consultant, Services, Intellectual - Industrial Safety Management Systems, LLC 19221 Interstate 45 S, Suite 475 Shenandoah Hygiene Consultant, Services, Intellectual - Training Services, Services, Technical - Safety

Salmon River Helicopters Inc. 1497 Big Salmon Road Riggins Services,Transportation, Intellectual Air - Aerial - Arc FlashPhotography, Analysis, Transportation, Services, Intellectual Air - Charter - Circuit Helicopter Analysis, Services Services, Intellectual - Consultant Services, Services, Intellectual - Consulting Engineer, Services, Intellectual - Drafting, Services, Intellectual - Electrical Engineering, Services, Intellectual - Engineering Design, Services, Intellectual - Samearth Consulting Engineers Inc 6675 Mission Gorge Rd, Unit B102 San Diego Transportation,Professional Engineer, Road - DumpServices, Truck Intellectual Services, - ProjectTransportation, Management Road Consultant- Freight Forwarder, Transportation Logistics, Transportation, Road - Freight Hauling, Transportation, Road - General Trucking Services, Transportation, Road - Hauling Services, Transportation, Road - Heavy Industrial Trucking, Transportation, Road Samuel J Piazza & Sons Inc. 9001 Rayo Ave South Gate Piazza Trucking Oil- Hot and Shot Gas, / Hotshot Geophysical/Seismic Trucking, Transportation, - Seismic Data Road Acquisition, - Load Tarping Services, Services, Intellectual Transportation, - Civil Engineering, Road - Navigation Services, Sargen & Lundy Canada Company, Intellectual - Control Engineering, Services, Intellectual - Diving Consultant, Services, Intellectual - Drafting, Sargent & Lundy, Ltd. dba Sargent & Services, Intellectual - Electrical Engineering, Services, Intellectual - Health, Safety and/or Environmental (HSE) Sargent & Lundy, L.L.C 55 E Monroe St Chicago Lundy Engineers Ltd. Consultant, Services, Intellectual - Mechanical Engineering, Services, Intellectual - Professional Engineer

Construction, General - Electrician, Services, Industrial - Electrical Construction and/or Repair, Services, Sartuche's Electrical Services Inc 1500 E Sunset Ave Tulare Industrial - Machine, Electrical Wiring

Saunders Construction Inc. 1760 Monrovia Ave, #A1 Costa Mesa Services,Construction, Industrial General - Electrical - Structural /Power Repair Generation, Services, Industrial - Electrical Instrumentation, Services, Intellectual - Electrical Engineering, Supplier, No Onsite Field Work - Electrical Supplies, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Instruments and Instrument Systems - Install and/or S & C Electric Co - Power Systems Solutions 6601 N Ridge Blvd Chicago Maintenance, Supplies - Protective Relays - Install and/or Maintenance, Supplies - Uninterruptible Power

Schindler Elevator Corp. 20 Whippany Rd Morristown Equipment - Elevators/Lifts and/or Escalators - Install and/or Maintenance

Services, Cleaning - Drain Cleaning, Services, Technical - Plumbing/Plumber, Supplies - Backflow Prevention Scott Mcleod Plumbing Inc. 8222 Foothill Blvd Rancho Cucamonga Devices - Install and/or Maintenance

Contractor, General - General Contractor, Machinery - Civil Directional Drilling - Operations, Machinery - SECC Corporation 14945 La Palma Dr Chino Excavating - Operations, Services, Facilities - Industrial Plant Maintenance

Services, Environmental - Erosion Control, Services, Environmental - Restorative Planting, Transportation, Road Selby's Soil Erosion Control Co. Inc. 150 Lozanos Rd Newcastle Selby's Soil Construction,- Road Dust Control General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, General - Electrical Construction, Construction, General - Electrician, Construction, General - Piling/Deep Foundation, Construction, General - Pipeline Construction, Construction, Transportation Select Electric, Inc. 2790 Business Park Dr Vista Infrastructure - Railroad Construction, Construction, Transportation Infrastructure - Railroad Signal - Install Construction, General - Civil Construction, Contractor, General - General Contractor, Equipment - Electric Power Systems - Install and/or Maintenance, Services, Industrial - Machine, Electrical Wiring, Transportation, Road - Semper Electric Inc 520 S Main St Ste D Templeton Freight Hauling, Transportation, Road - General Trucking Services

Sentinel Fence and Contracting, LLC 6908 E Thomas Rd Ste 302 Scottsdale Supplies - Fence - Install and/or Maintenance

Severson Company Inc. 35210 ave A Yucaipa Services, Technical - Instrumentation and Electrical Analyzers

Sharper Shape Inc 714 Charcot Ave San Jose Sharper Shape Inc Services, Inspections and Testing - Electrical, Transportation, Air - Remote Control Aircraft

Sharps Backhoe Service, Inc 6909 Rockspring Ln Highland Machinery - Heavy Equipment - Operations

Shaver Lake Construction Inc. 41681 Tollhouse Rd Shaver Lake MachineryConstruction, - Crawler General Crane - Building - Rentals, Construction, Machinery Services, - Crawler Industrial Crane, Rigging/Rigger- Forestry, Logging - Operations, Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane Rigging/Rigger - Operations, Machinery - Rough Terrain Crane - Rentals, Machinery - Rough Terrain Crane, Rigging/Rigger - Operations, Machinery - Straddle Sheedy Drayage Co. 1215 Michigan Street San Francisco Carrier/Crane, Rigging/Rigger - Operations, Machinery - Telescopic Crane - Rentals, Machinery - Telescopic

Transportation, Air - Aerial Geophysical Surveying Services, Transportation, Air - Aerial Photography, Shier Aviation Corporation 3753 John J Montgomery Dr, Ste 2 San Diego Transportation, Air - Charter Helicopter Services

Services, Industrial - Electrical /Power Generation, Services, Industrial - Energy, Services, Industrial - Steam Siemens Energy, Inc. 8841 Wadford Dr Raleigh Generation

Services, Environmental - Laboratory, Services, Inspections and Testing - Instrumentation - Measurement and/or Siemens Industry, Inc. - Building Technologies 1000 Deerfield Parkway Buffalo Grove Calibration, Services, Intellectual - Electrical Engineering

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Siemens Industry, Inc. - SI ES 7000 Siemens Rd Wendell Services, Inspections and Testing - Electrical

Services, Technical - Electrical, Voice Data Wiring, Services, Technical - Instrumentation - Meter Monitoring, Sierra Controls LLC 5470 Louie Lane, Suite 104 Reno Services, Technical - Water Well Services, Supplies - Control Systems - Install and/or Maintenance Services, Environmental - Environmental Consulting, Services, Inspections and Testing - Utility/Hydro Pole Inspection (Ground-Level), Services, Intellectual - Consultant Services, Services, Intellectual - Project Sierra Forestry Consulting LLC 40282 Highway 41 Ste 14 Oakhurst Management Consultant

Siller Helicopter 1250 Smith Rd Yuba City Machinery - Mobile Crane - Operations

Silverado Contractors, Inc, 2855 Mandela Silverado Contractors Parkway, 2nd Floor Oakland Services,Construction, Intellectual General - Chemical- Demolition/Wrecking Engineering, Services, Intellectual - Engineering Design, Services, Intellectual - Environmental Engineering, Services, Intellectual - Health, Safety and/or Environmental (HSE) Consultant, Services, Intellectual - Mechanical Engineering, Services, Intellectual - Professional Engineer, Services, SISU Energy & Environmental 5801 E 41st St , Suite 1005 Tulsa Intellectual - Project Management Consultant Machinery - Civil Directional Drilling - Operations, Services, Inspections and Testing - Ground Penetrating Radar, Services, Inspections and Testing - Radioactive/X-ray Services, Services, Technical - Locating of Utility Site Scan Subsurface Imaging 10808 Foothill Blvd Ste 160 Rancho Cucamonga Site Scan Lines, Buried Cables and/or Pipelines, Supplies - Instrumentation, Cameras - Install and/or Maintenance

S&J Concrete Pumping, Inc 1630 W Pellisier Rd Colton S&J Concrete Pumping, Inc EquipmentConstruction, - Cooling General Towers - Concrete - Install Pumping and/or ServicesMaintenance, Equipment - Dust Collection Systems - Install and/or Maintenance, Equipment - Heating, Ventilation and Air Conditioning (HVAC) Systems - Install and/or Maintenance, Oil and Gas, Pipelines - Nitrogen, Oil and Gas, Pipelines - Oxygen Purge, Services, Industrial - SJL Plumbing & Piping, Inc 1702 W 135th Street Gardena General Mechanical Contractor/Millwright, Services, Industrial - Machining, Pumps and Blowers, Services, Air Transport - Aerial Surveying, Inspection, and/or Reconnaissance, Air Transport - Aerial Work, Non- Passenger, Air Transport - Air Taxi Operations 9 or Less Passengers, Helicopter Carrier, Oil and Gas, Offshore - Skydance Helicopter of Northern Nevada 101 Wass Minden Charter Helicopter Services, Transportation, Air - Charter Helicopter Services Oil and Gas, Pipelines - Pipeline Inspection, Services, Industrial - Energy, Services, Inspections and Testing - Infrared, Transportation, Air - Aerial Geophysical Surveying Services, Transportation, Air - Aerial Skyskopes 6008 Highway 2 E Minot Patrol/Inspection, Transportation, Air - Aerial Photography Construction, General - Electrical Construction, Construction, General - Electrician, Contractor, General - General Contractor, Equipment - Telecommunication Transmission Equipment - Install and/or Maintenance, SMARTECH COMMUNICATIONS 316 W GARDENA BLVD GARDENA SMARTECH COMMUNICATIONS Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance

Smithson Electric, Inc. 1938 E Katella Avenue Orange Services, Industrial - Electrical Construction and/or Repair

Snowden Electric Company 6820 Orangethorpe Ave., Suite A Buena Park Services, Industrial - Electrical Construction and/or Repair

So Cal Elite Traffic 321 Hunter St Ramona Services, EnvironmentalFacilities - Traffic - Environmental Control/Flagging Site Assessments (Phase I, II and/or III), Services, Inspections and Testing - Fabricated Steel and/or Concrete Structures Inspection, Services, Inspections and Testing - Materials/Geotechnical Testing, Services, Inspections and Testing - Welding Inspection and/or Quality Soils Engineering, Inc. 4400 Yeager Way Bakersfield Assurance, Services, Intellectual - Civil Engineering, Services, Intellectual - Professional Engineer

South County Interiors Inc. 699 S State College Blvd, Unit K Fullerton Construction, General - ConcreteInterior Design Finishing/Surfacing, Services Construction, General - Electrician, Equipment - Electric Power Systems - Install and/or Maintenance, Equipment - Photovoltaic Systems / Solar Panels - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Southern Contracting Company 559 N Twin Oaks Valley Rd. San Marcos Machinery - Excavating - Operations, Machinery - Hydro Excavation - Operations, Oil and Gas, Pipelines - DOT

Southern Disaster Recovery, LLC 109 White Oak Rd Greenville Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Southern States, LLC. 30 Georgia Ave Hampton Supplies - Electrical Switchgear - Install and/or Maintenance

Construction, General - Epoxy and/or Polymer Coatings, Construction, General - Flooring - Install and/or Southland Flooring, Inc 15405 RED HILL AVENUE,, Suite E Tustin Maintenance

Southwest V-Ditch Inc 3625 Placentia Ln Riverside Construction, General - Concrete Construction

Spartan Infrastructure, Inc. 6644 E Thomas Rd Ste 102 Mesa Services,Construction, Intellectual General - Civil- Steel Engineering, Erection and/or Services, Assembly, Intellectual Services, - Control Industrial Engineering, - Drilling Services, Intellectual - Drafting, Services, Intellectual - Electrical Engineering, Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual - Mechanical Engineering, Services, Intellectual - Professional Engineer, Services, SPEC Services, Incorporated 10540 Talbert Ave Ste 100E Fountain Valley Intellectual - Project Management Consultant, Services, Intellectual - Surveying

Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Site Spectrum Environmental Services, Inc. 20434 Corisco St Chatsworth Spectrum Geophysics Assessments (Phase I, II and/or III)

Services, Facilities - Maintenance Technician/Handyman, Services, Inspections and Testing - Electrical, SPX Transformer Solutions Inc. - Service Division 2701 US 117 South Goldsboro Supplies - Transformers - Install and/or Maintenance

Contractor, General - General Contractor, Services, Intellectual - Consultant Services, Supplier, No Onsite Field SR Diversified, LLC 5170 Golden Foothill Parkway, Suite 110 El Dorado Hills Work - Supplies, General, Transportation, Road - Freight Hauling

S&S Directional Drilling, Inc 1245 Carbide Dr Corona Contractor, General - General Contractor

Standard Drywall, Inc. 9902 Channel Road Lakeside AgricultureConstruction, - Agricultural General - Interior Research, Design Agriculture Services - Agricultural, Horticultural Consulting, Construction, General - Construction Consultant, Construction, General - Supervision, Inspection, and/or Quality Control of Pipeline Stantec Consulting Ltd.; Stantec Construction, Equipment - Air Pollution Control Equipment - Install and/or Service, Forestry - Forestry Stantec 400 10220 103 Avenue NW Edmonton Consulting Services Inc. Consulting, Services, Environmental - Air Quality and Meteorological Monitoring, Downwind Monitoring,

Construction, General - Drywall, Taping/Mudding, Construction, General - Masonry/Brickwork/Bricklayer, Starks Construction 5953 Premiere Ave Lakewood Starks Construction Services, Inspections and Testing - Material Testing Construction, General - Civil Construction, Construction, General - Electrician, Equipment - Electric Power Systems - Install and/or Maintenance, Services, Facilities - Industrial Plant Maintenance, Services, Facilities - Station Electric 33 Hammond Ste 211 Irvine Industrial Plant Shutdown/Turnaround, Services, Industrial - Machine, Electrical Wiring

Services, Facilities - Industrial Plant Maintenance, Services, Industrial - Tree Trimming and/or Clearing, Wood Steelclad Inc. 2664 Saturn St Brea Chipping, Services, Intellectual - Right-of-Way, Services, Staffing/Placement - General Laborers

Services, Industrial - General Mechanical Contractor/Millwright, Services, Industrial - Mechanic, Rotating Stephens Mechanical Corp. 497 Edison Ct Ste D Fairfield Equipment Maintenance

Services, Environmental - Consulting, Permits, Services, Environmental - Environmental Conservation, Stillwater Ecosystem Riverine and Watershed Sciences 2855 Telegraph Ave Ste 400 Berkeley Services, Environmental - Wetland Delineation

Street Cal Enterprises Inc. 210 Iowa Pl Oxnard Services, Facilities - Traffic Control/Flagging

Strive Concrete Cutting, Inc. 1211 N Simon Cir Anaheim Supplier, No Onsite Field Work - Supplies, General

Strongarm Environmental Field Services, Inc. 740 Williamson Ave Fullerton Services, Environmental - Soil and/or Waterbody Remediation Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Services, Industrial - Electrical Sturgeon Electric California, LLC 13501 Benson Ave Chino Construction and/or Repair

Equipment - Pumps - Install and/or Maintenance, Services, Industrial - Mechanic, Rotating Equipment Sulzer Pump Services (US) Inc 1255 Enclave Pkwy Ste 300 Houston Maintenance

Contractor, General - General Contractor, Equipment - Heating, Ventilation and Air Conditioning (HVAC) Summer Systems Inc. 28942 Hancock Pkwy Valencia Summer Systems Inc. Construction,Systems - Install General and/or - StorageMaintenance Tanks, Equipment - Storage Tanks - Install and/or Maintenance, Equipment - Storage Tanks - Removal/Demolition, Equipment - Underground Storage Tanks (UST), Piping - Install and/or Maintenance, Services, Inspections and Testing - Hydrostatic Testing/Pressure Testing, Services, Inspections Sunwest Engineering Constructors Inc. 4780 Cheyenne Way Chino and Testing - Tank Inspection, Services, Technical - Stage II Vapor Recovery, Supplies - Tank Gauges - Install

Supreme Security Services Inc. 3517 Cameo Dr Unit 84 Oceanside Supreme Security Services, Facilities - Security Services, Industrial Patrols, Industrial Surveillance Services, Inspections and Testing - Fabricated Steel and/or Concrete Structures Inspection, Services, Inspections and Testing - Infrared, Services, Inspections and Testing - Inspection, Services, Inspections and Surefire Underground & Consulting Inc. 40469 Calle Medusa Temecula Testing - Thermographic Testing, Services, Inspections and Testing - Tower Inspection

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Construction, General - Building Construction, Construction, General - Civil Construction, Construction, General - Concrete Construction, Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Construction, General - Concrete Finishing/Surfacing, Construction, General - Swanson Backhoe Inc. 1910 W. Huntington Dr Upland SBI Demolition/Wrecking, Construction, General - Joint Sealing, Caulking and/or Waterproofing, Construction,

Switched Source LLC 85 Murray Hill Rd Ste 2225 Vestal Switched Source Construction,Equipment - Electric General Power - Civil Systems Construction, - Install Construction, and/or Maintenance General - Concrete Construction, Construction, General - Demolition/Wrecking, Construction, General - Masonry/Brickwork/Bricklayer, Construction, General - Pipeline Construction, Construction, General - Precast Concrete - Install and/or Maintenance, Construction, Syblon Reid 1130 Sibley Street, CA Folsom General - Steel Erection and/or Assembly, Construction, General - Underground Sewage Systems/Sewerage,

Taihan Electric USA Ltd. 12070 Telegraph Rd Ste 324 Santa Fe Springs Supplier, No Onsite Field Work - Sales, General

Tap Master, Inc. 5060 Forni Dr Ste A2 Concord Supplies - Process Piping/Pipe Fitting - Install and/or Maintenance Construction, General - Epoxy and/or Polymer Coatings, Construction, General - Interior Design Services, Construction, General - Joint Sealing, Caulking and/or Waterproofing, Construction, General - Painter/Painting, Tarlton and Son, Inc 3562 S. Elm Ave Fresno Equipment - Scaffolding - Install and/or Maintenance

Taylor Electrical Corporation 1914 W Orangewood Ave Ste 203 Orange Taylor Electrical Corporation Construction, General - Electrical Construction Construction, General - Civil Construction, Contractor, General - General Contractor, Machinery - Excavating - Operations, Machinery - Hydro Excavation - Operations, Oil and Gas, Drilling - Directional Drilling / Slant Drilling T&D Services, Inc. 42363 Guava St Murrieta OilOperations, and Gas, Services, Pipelines Industrial - DOT Covered - Boring Tasks, Services, Oil and Services, Gas, Pipelines Industrial - -Gas Drilling Pipeline, Leak Repairs, Services, Environmental - Emissions Testing, Services, Facilities - Industrial Plant Shutdown/Turnaround, Services, Industrial - Bolting Services, Services, Industrial - Cold Cutting, Services, Industrial - Control Valve Repair, Team Industrial Services, Inc. 200 Hermann Drive Alvin Team Industrial Services Inc. Services, Industrial - Heat Treating and/or Stress Relieving, Services, Industrial - Hot Tapping, Services,

Team West Contracting 2733 S Vista Ave Bloomington OilSupplies and Gas, - Fence Geophysical/Seismic - Install and/or Maintenance - Seismic Data Acquisition, Services, Industrial - Electrical Instrumentation, Services, Inspections and Testing - Electrical, Services, Inspections and Testing - Infrared, Services, Inspections and Testing - Instrumentation - Measurement and/or Calibration, Services, Intellectual - Control Engineering, Technical Diagnostic Services, LLC 15825 Trinity Blvd Fort Worth Services, Intellectual - Electrical Engineering, Services, Intellectual - Industrial Ergonomics Consultant, Services, Services, Industrial - Electrical Instrumentation, Services, Industrial - Instrumentation and Electrical, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Protective Relays - Install and/or Maintenance, Technology Resource Center, Inc. 601 Parkcenter Dr , Suite 209 Santa Ana Supplies - Test Equipment - Install and/or Maintenance

TerraCare Associates LP 550 S Hope St Ste 1675 Los Angeles Services, EnvironmentalFacilities - Lawns, - Environmental Grounds and/or Consulting, Garden Maintenance,Services, Environmental Landscaping - Environmental Site Assessments (Phase I, II and/or III), Services, Environmental - Soil and/or Waterbody Remediation, Services, Intellectual - Civil Engineering, Services, Intellectual - Environmental Engineering, Services, Intellectual - Terraphase Engineering Inc. 1404 Franklin St Ste 600 Oakland OilProfessional and Gas, EngineerServicing - Well Services, Environmental, Services, Environmental - Air Quality and Meteorological Monitoring, Services, Environmental - Consulting, Permits, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Quality Assurance (EQA), Services, Environmental - Environmental TERRA Solutions & Services 447-160 Lassen Ave Herlong Site Assessments (Phase I, II and/or III), Services, Environmental - Environmental, Services, Environmental -

Terravanta Inc 1 Dover Trabuco Canyon Terravanta Inc Construction,Services, Intellectual General - -Project Building Management Construction, Consultant Construction, General - Concrete Cutting/Sawing, Construction, General - Construction Management, Construction, General - Demolition - Chimneys and Stacks, Construction, General - Demolition/Wrecking, Construction, General - Finishing Carpenter, Construction, General - Joint Terry Construction, Inc. 34946 Qualls Prather Rd Auberry Services,Sealing, Caulking Industrial and/or - Electrical Waterproofing, Instrumentation, Construction, Services, General Industrial - Roofing/Roofer, - Instrumentation Construction, and Electrical, General Services, - Inspections and Testing - Instrumentation - Measurement and/or Calibration, Services, Intellectual - Control Engineering, Services, Intellectual - Professional Engineer, Services, Intellectual - Training Services, Services, Tesco Controls Inc. 565 Explorer St Brea Trimax, A Tesco Controls Company Technical - Instrumentation - Meter Monitoring, Services, Technical - Instrumentation and Electrical Analyzers,

Tesla, Inc. - Energy Products Group 3500 Deer Creek Rd Palo Alto Services,Equipment Inspections - Electric Batteries and Testing - Install - Eddy and/or Current Maintenance Array (ECA), Services, Inspections and Testing - Non- destructive Testing (NDT), Services, Inspections and Testing - Phased Array, Services, Inspections and Testing - Visual/Optical Inspections and/or Testing, Services, Nondestructive Testing - Electromagnetic Testing, Services, Testex, Inc. 535 Old Frankstowns Road Pittsburgh Nondestructive Testing - Nondestructive Testing Services (NDT), Services, Nondestructive Testing - Pipe

The Alliance Group Enterprise Inc 3699 Wilshire Blvd Ste 1210 Los Angeles The Alliance Group Consulting EquipmentServices, Intellectual - Electric Generators- Professional - Install Engineer and/or Maintenance, Equipment - Engines - Install and/or Maintenance, Equipment - Turbines - Install and/or Maintenance, Services, Cleaning - Dry Ice/CO2 Blasting, Services, Environmental - Environmental Consulting, Services, Industrial - Corrosion Control, Services, Industrial - Lining The Allied Power Group, LLC 10131 Mills Road Houston and/or Coating of Objects, Structures, and/or Equipment, Services, Industrial - Machining, Field (Onsite),

Construction, General - Concrete Cutting/Sawing, Construction, General - Concrete Finishing/Surfacing, The Bedrock Company 2970 Myers St Riverside Construction, General - Masonry/Brickwork/Bricklayer

The Burrow Corp Inc 53318 rd 419 Oakhurst Design Electric MachineryConstruction, - Mobile General Crane - Electrical - Rentals, Construction, Machinery Construction,- Mobile Crane General Rigging/Rigger - Electrician - Operations, Machinery - Telescopic Crane - Rentals, Machinery - Telescopic Crane, Rigging/Rigger - Operations, Machinery - Truck- Mounted Crane - Rentals, Machinery - Truck-Mounted Crane, Rigging/Rigger - Operations, Machinery - Wheel- The Crane Guys 10850 Portal Dr Los Alamitos Mounted Crane - Rentals, Machinery - Wheel-Mounted Crane, Rigging/Rigger - Operations

The Crew Contracting Inc 2920 Huntington Dr Ste 230 San Marino The Crew Contracting Inc Construction, General - Electrical Construction, Construction, General - Electrician

The Engineering Partners, Inc. 10150 Meanley Dr Ste 200 San Diego Engineering Partners, Inc. MachineryServices, Intellectual - Air Vacuum - Electrical Excavation Engineering - Operations, Machinery - Excavating - Operations, Machinery - Hydro Excavation - Operations, Oil and Gas, Drilling - Directional Drilling / Slant Drilling Operations, Oil and Gas, Pipelines - DOT Covered Tasks, Services, Industrial - Boring Services, Services, Intellectual - Drafting, Services, The Fishel Company 1366 Dublin Rd Columbus Intellectual - Right-of-Way, Services, Intellectual - Surveying, Services, Technical - Fiber Optics Services, Industrial - Lining and/or Coating of Objects, Structures, and/or Equipment, Services, Industrial - Sandblasting, Supplies - Fireproofing/Firestopping - Install and/or Maintenance, Supplies - Insulation - Install Thermo Power Industries, Inc. 10570 Humbolt Street Los Alamitos and/or Maintenance

The Smith Company, Inc. 3432 Swetzer Rd Loomis Supplies - Overhead Doors / Garage Doors - Install and/or Maintenance

The Vantage Company 1643 W Orange Grove Ave Orange Contractor, General - General Contractor

Tidwell Excavating, Inc; Tidwell Tidwell Excavation Acquisition 1691 Los Angeles Ave Ventura Excavation Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance

Timberline Helicopters, Inc. 1926 Industrial Dr Sandpoint Transportation, Air - Charter Helicopter Services

Construction, General - Demolition/Wrecking, Contractor, General - General Contractor, Machinery - Excavating - Tim Messer Construction, Inc. 32111 Rockhill Ln. Auberry Operations

Tinker Glass Contractors, Inc. 9400 7th St Ste A1 Rancho Cucamonga Construction, General - Interior Design Services

Titan Water Technology Inc. 2313 E. Philadelphia Street Ste. E Ontario Services, Environmental - Water Treatment

Equipment - Telecommunication Transmission Equipment - Install and/or Maintenance, Services, Technical - TKG Solutions, Inc. 9420 Telstar Ave Suite #215 El Monte Electrical, Voice Data Wiring

TLD Construction Services, Inc 254 Viking Ave Brea DCE Services Group Construction, General - Demolition/Wrecking, Services, Environmental - Soil and/or Waterbody Remediation

TN Americas LLC 7160 Riverwood Dr Ste 200 Columbia Construction, General - Precast Concrete - Install and/or Maintenance

Todd Kashmere 1020 N Batavia St Ste J Orange TK Electric Construction, General - Electrical Construction, Construction, General - Electrician Construction, General - Civil Construction, Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing, Contractor, General - General Contractor, Services, Facilities - Industrial Tom Grbavac & Sons, Inc. 933 Blue Heron Seal Beach Tom Grbavac & Sons, Inc. EquipmentPlant Maintenance - Electric Batteries - Install and/or Maintenance, Equipment - Electric Generators - Install and/or Maintenance, Equipment - Electric Motors - Install and/or Maintenance, Services, Inspections and Testing - Instrumentation - Measurement and/or Calibration, Services, Intellectual - Electrical Engineering, Services, Tony Demaria Electric Inc. 131 West F Street Wilmington Technical - Instrumentation - Meter Monitoring, Supplies - Electrical Switchgear - Install and/or Maintenance,

Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Topographic Surveying, Transportation, Towill, Inc. 2300 Clayton Road, Suite 1200 Concord Air - Aerial Photography

Supplier, No Onsite Field Work - Health and Safety Equipment, Supplier, No Onsite Field Work - Supplies, TPR Co West 17100 Pioneer Blvd Ste 480 Artesia General

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Traffic Management, Inc. 4900 Airport Plaza Dr Ste 300 Long Beach Services, Facilities - Traffic Control/Flagging

Equipment - Power Generation and/or Power Transmission Equipment - Install and/or Service, Services, TransCanada Turbines Limited 998 Hamilton Blvd NE Airdrie Intellectual - Project Management Consultant

Transformer Technologies 4709 Turner Rd SE Salem Services, Environmental - AirScrap Quality Metal/Salvage and Meteorological Handling Monitoring, Services, Environmental - Consulting, Permits, Services, Environmental - Emissions Testing, Services, Environmental - Environmental Consulting, Services, Environmental - Environmental Drilling, Services, Environmental - Environmental Site Assessments TRC 21 Griffin Rd N Windsor TRC (Phase I, II and/or III), Services, Environmental - Wetland Delineation, Services, Inspections and Testing - Civil,

Trebor Shoring Rentals 15303 Olde Highway 80 El Cajon Supplies - Safety Supplies and/or Equipment - Rental

Tree Service Kings, Inc. 7210 Jordan Ave D89, 7210 Jordan Ave D89 Canoga Park Tree Service Kings, Inc. Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Trench Plate Rental Co. 17100 Pioneer Blvd, Suite 480 Artesia Equipment - Equipment - Rental

Tri County Development & Construction, Inc. 12321 Magnolia Ave Ste C Riverside TCDC Construction, General - Civil Construction

Equipment - Equipment - Rental, Machinery - Heavy Equipment - Maintenance, Machinery - Heavy Equipment - Trinity Equipment Rentals 8531 Mission Blvd Jurupa Valley Trinity Equipment Rentals Rentals, Supplier, No Onsite Field Work - Heavy Equipment

Construction, General - Construction Consultant, Services, Intellectual - Civil Engineering, Services, Intellectual - Trinity Geotechnical Engineering, Inc. 13230 Evening Creek Dr S, Ste 206 San Diego Professional Engineer

Construction, General - Building Construction, Services, Environmental - Asbestos Abatement/Removal, Tri Span, Inc. 591 W. Explorer Street Brea Services, Environmental - Lead Abatement, Services, Environmental - Mold Abatement/Removal

Construction, General - Painter/Painting, Services, Industrial - Lining and/or Coating of Objects, Structures, Trombley Painting 716 Paso Robles St, Unit A Paso Robles Painting/Coatings and/or Equipment

T&T Express Company, Inc 1425 S Jasmine Ave Ontario Transportation, Road - General Trucking Services, Transportation, Road - Hauling Services

Construction, General - Building Construction, Construction, General - Civil Construction, Services, Industrial - TTR Substations, Inc. 4533 E Citron Fresno Contractor,Electrical Construction General - General and/or RepairContractor, Equipment - Cooling Towers - Install and/or Maintenance, Equipment - Engines - Install and/or Maintenance, Equipment - Flare Stack/Gas Flare - Install and/or Maintenance, Oil and Gas, Pipelines - Gas Pipeline, Leak Repairs, Oil and Gas, Servicing - Hot Oiler, Steaming, Services, Industrial - TTS Construction Corporation 1220 East Pine ST LODI General Mechanical Contractor/Millwright, Services, Industrial - Pipeline, Internal HDPE Lining - Install and/or

Machinery - Mobile Crane - Operations, Machinery - Mobile Crane - Rentals, Machinery - Mobile Crane T & T Truck & Crane Service 1375 N Olive St Ventura Rigging/Rigger - Operations, Transportation, Road - General Trucking Services Oil and Gas, Pipelines - Pipeline Inspection, Services, Inspections and Testing - Non-destructive Testing (NDT), Services, Inspections and Testing - Phased Array, Services, Inspections and Testing - Project Inspection, Tulsa Inspection Resources, LLC. 5727 S Lewis Ave Tulsa Construction,Services, Staffing/Placement General - Electrician, - General Equipment Laborers - Electric Power Systems - Install and/or Maintenance, Equipment - Turbines - Install and/or Maintenance, Machinery - Mobile Crane Rigging/Rigger - Operations, Services, Industrial - Control Valve Repair, Services, Industrial - Electrical /Power Generation, Services, Industrial - Turbine Repair Services 1838 E Cedar St Ontario EquipmentEnergy, Services, - Irrigation Industrial Sprinklers, - General Underground Mechanical Sprinklers Contractor/Millwright, - Install and/or Services, Maintenance, Industrial Services, - Machining, Facilities Field - Interior Landscaping, Services, Facilities - Lawns, Grounds and/or Garden Maintenance, Landscaping, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping, Supplies - Backflow Prevention Devices - Install Twin Oaks Landscape and Maintenance, INC. 18620 Cajon Blvd. San Bernardino Construction,and/or Maintenance General - Civil Construction, Construction, General - Concrete Construction, Construction, General - Concrete Pumping Services, Construction, General - Pipeline Construction, Construction, General - Precast Concrete - Install and/or Maintenance, Construction, General - Underground Sewage Underground Construction Co., Inc. 5145 Industrial Way Benicia Systems/Sewerage, Machinery - Air Vacuum Excavation - Operations, Machinery - Excavating - Operations, Oil and Gas, Offshore - Diving Services, Oil and Gas, Offshore - Inland Marine Services, Oil and Gas, Offshore - Remote Operated Vehicles, Oil and Gas, Offshore - Underwater Acoustics, Oil and Gas, Pipelines - Pipeline Underwater Construction Corporation NE – Mid Atlantic 110 Plains Rd Essex Inspection, Services, Technical - Commercial and/or Professional Diving Services

Underwater Resources Inc. 866 Estabrook St San Leandro EquipmentServices, Technical - Turbines - Commercial- Install and/or and/or Maintenance, Professional Services, Diving ServicesIndustrial - Bolting Services, Services, Industrial - Cold Cutting, Services, Industrial - Control Valve Repair, Services, Industrial - Leak Repair, Services, Industrial - Machining, Services, Industrial - Machining, Field (Onsite), Services, Industrial - Machining, Pumps and Blowers, Unico Mechanical Corp. 1209 Polk Street, PO Box 847, 1209 Polk Street Benicia Services, Industrial - Valve Repair

Union Engineering Company, Inc. 1399 Arundell Ave Ventura Construction, General - UndergroundCivil Construction, Sewage Machinery Systems/Sewerage, - Excavating Contractor,- Operations General - General Contractor, Machinery - Excavating - Operations, Machinery - Hydro Excavation - Operations, Services, Cleaning - Industrial Cleaning, Services, Cleaning - Mobile Steam Cleaning, Services, Environmental - Emergency Response, United Pumping Service Inc. 14000 Valley Blvd City of Industry EquipmentServices, Environmental - Air Conditioning - Hazardous Equipment Waste/Chemical - Rental, Equipment Waste - ManagementBlast Resistant Services, Modules/Structures Services, Environmental - Rental, - Equipment - Equipment - Rental, Equipment - Industrial Air Compressors - Install and/or Service, Equipment - Portable Flameless Heating Equipment - Rental, Machinery - Forklift/Industrial Lift Truck - Service, Machinery - United Rentals, Inc. 100 Stamford Pl Ste 700 Stamford Heavy Equipment - Rentals, Supplies - Compressors - Rental, Supplies - Generators - Rental, Supplies -

United Traffic Services Inc. 1788 Lirio Ave Ste D Ventura Services, Facilities - Traffic Control/Flagging

Universal Dry Ice Blasting (400-249850) 15855 Mandan Road Apple Valley Universal Dry Ice Blasting Services, Cleaning - Dry Ice/CO2 Blasting

UPE Resources, Inc 22605 La Palma Ave, ste 509 Yorba Linda Arborpro Services, Intellectual - Industrial Hygiene Consultant Construction, General - Building Construction, Construction, General - Civil Construction, Construction, General - Cleanroom Construction, Construction, General - Demolition/Wrecking, Construction, General - Drywall, Uprite Construction Corporation 2211 Michelson Dr Ste 500 Irvine Taping/Mudding, Contractor, General - General Contractor

UPSCO Powersafe Systems, Inc 44 N Central Ave Upland UPSCO Supplies - Uninterruptible Power Supply/Source (UPS) - Install and/or Maintenance

Utiliquest, LLC. 2575 Westside Pkwy Alpharetta Services, Technical - Locating of Utility Lines, Buried Cables and/or Pipelines

Utility Service & Maintenance, Inc. 9909 Clayton Rd. Suite 107, Suite 107 St. Louis Construction, General - Painter/Painting

Utility Traffic Services, LLC 2845 Spring St. Long Beach Construction, Transportation Infrastructure - Line Painting of Roads and/or Parking Lots

Utility Tree Service 1802 Commercenter W Ste C San Bernardino Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Vandelay Industries 1610 Montclair Ave Ste D Reno Vertical Mapping Resources Services, Intellectual - Topographic Surveying, Transportation, Air - Aerial Photography

VanLen Consultants Inc. 5015 Canyon Crest Dr Ste 205 Riverside Construction,Services, Intellectual General - -Land Pipeline Surveying Construction, Construction, General - Underground Sewage Systems/Sewerage, Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Equipment - Underground Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Machinery - VCI Construction, LLC 1921 W. 11th St Upland Excavating - Operations, Machinery - Hydro Excavation - Operations, Services, Intellectual - Diving Consultant

Construction, General - Civil Construction, Construction, General - Electrician, Contractor, General - General VCI Utilitiy Services, LLC 9518 E. 9th St., Suite C-2 Rancho Cucamonga Vantage Utility Services Contractor, Services, Facilities - Industrial Plant Maintenance

V Ditch Solutions, Inc. PO Box 9220 San Bernardino Construction, General - Concrete Construction Services, Environmental - Environmental Conservation, Services, Environmental - Environmental Consulting, Services, Inspections and Testing - Inspection, Services, Intellectual - Cathodic Protection Engineering, Vermilion Resource Management, Inc. 41441 Tollhouse Rd Shaver Lake Services, Intellectual - Consultant Services, Services, Intellectual - Geoscience Engineering

VICS CONCRETE BREAKING & VICS CONCRETE BREAKING & REMOVAL 18543 Yorba Linda Blvd 332 Yorba Linda REMOVAL Construction,Contractor, General General - General - Steel Erection Contractor and/or Assembly, Contractor, General - General Contractor, Equipment - Electric Power Systems - Install and/or Maintenance, Services, Industrial - Electrical /Power Generation, Services, Industrial - Energy, Services, Industrial - General Mechanical Contractor/Millwright, Services, Industrial Vmax Electric Inc. 7812 Fruitvale Ave. Bakersfield - Machine, Electrical Wiring

VM Utility Services, LLC 17045 Bernardo Oaks Dr. San Diego VM Utility Tree Service, LLC Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE. Contractors Qualfied to Perform Tier I Safety Work for SCE - Updated September 22nd, 2021

Equipment - Loading Docks/Bays - Install and/or Maintenance, Services, Technical - Locksmith, Supplies - Doors - Install and/or Maintenance, Supplies - Fence - Install and/or Maintenance, Supplies - Overhead Doors / Vortex Industries, Inc. 20 Odyssey Irvine Construction,Garage Doors General - Install and/or- Building Maintenance, Construction, Supplies Construction, - Windows/Glass General - -Building Install and/or Construction/Framer Maintenance Carpenter, Construction, General - Concrete Construction, Construction, General - Engineering Procurement and Construction (EPC), Construction, General - Heavy Engineering Construction, Contractor, General - General Walbridge 777 Woodward Ave, Suite 300 Detroit Contractor, Machinery - Heavy Equipment - Operations, Services, Industrial - Rigging Services, Transportation,

Walker Brothers Machinery Moving, Inc. 3839 E. Coronado St. Anaheim Transportation, Road - Freight Hauling, Transportation, Road - Heavy Industrial Trucking

Construction, General - Drilling of Water Wells, Equipment - Water Well Pumps - Install and/or Maintenance, Walt Bannon Drilling, Inc. 40487 Highway 41 Oakhurst Services, Technical - Water Well Services

Walter R Scott Inc. 4033 Humbug Creek Drive Mariposa Construction,Services, Industrial General - Forestry, - Electrician, Logging, Construction, Services, GeneralIndustrial - -Pipeline Tree Trimming Construction, and/or Equipment Clearing, Wood - Electric Chipping Power Systems - Install and/or Maintenance, Machinery - Hydro Excavation - Operations, Oil and Gas, Pipelines - DOT Covered Tasks, Oil and Gas, Servicing - Surface and Subsurface Safety Valve/System (SSSV), Services, W. A. Rasic Construction Co., Inc. 4150 Long Beach Blvd Long Beach Industrial - Electrical Construction and/or Repair

Construction, General - Civil Construction, Contractor, General - General Contractor, Machinery - Excavating - Ward Corporation 18056 E Telegraph Rd Santa Paula Operations, Services, Facilities - Industrial Plant Maintenance

Wavcomm Inc. 1429 S Cucamonga Ave Ontario Equipment - Communication Towers - Install and/or Maintenance

Wellhead Construction, Inc. 650 Bercut Dr, Suite C Sacramento Services, Industrial - Electrical /Power Generation, Services, Industrial - Energy

Services, Inspections and Testing - Utility/Hydro Pole Inspection (Ground-Level), Services, Intellectual - Westcoast Electric & Power Inc 741 E Ball Rd #206 Anaheim Consulting Engineer

Western Construction Specialists, Inc. 1077 Pacific Coast Hwy #247 Seal Beach EquipmentContractor, -General Equipment - General - Rental, Contractor, Equipment Services, - Heavy Facilities Equipment, - Industrial Stationary Plant - Install Maintenance and/or Service, Equipment - Industrial Equipment - Install and/or Service, Equipment - Industrial Equipment / Machinery - Install, Equipment - Industrial/Oilfield Equipment Supply/Rentals - Service, Equipment - Portable Flameless Heating Equipment - Western Oilfields Supply Company DBA Rain for Rent 5101 Office Park Dr Bakersfield Rain for Rent Construction,Rental, Equipment General - Pumps - Electrical - Install Construction, and/or Maintenance, Contractor, Equipment General -- GeneralPumps -Contractor, Install and/or Equipment Service, Equipment- Car Wash Systems - Install and/or Maintenance, Equipment - Compressors - Install and/or Maintenance, Equipment - Storage Tanks - Removal/Demolition, Equipment - Underground Storage Tanks (UST), Piping - Install and/or Western Pump Inc. 3235 F Street San Diego Maintenance, Machinery - Contract Operator, Oil and Gas, Servicing - Hydraulic Workover, Services, Facilities -

WestLAND Group, Inc. 4150 Concours Street Ontario WestLAND Group Services, Intellectual - Civil Engineering, Services, Intellectual - Surveying Services, Environmental - Environmental Consulting, Services, Intellectual - Civil Engineering, Services, Intellectual - Drafting, Services, Intellectual - Environmental Engineering, Services, Intellectual - Information Westwood Professional Services Inc 12701 Whitewater Dr suite 300 Minnetonka Technology (IT) Consultant, Services, Intellectual - Professional Engineer, Services, Intellectual - Surveying

Whitecore Concrete Cutting & Demolition, Inc 14783 Wood Rd Riverside Construction, General - Concrete Core Drilling/Boring, Construction, General - Concrete Cutting/Sawing

Services, Intellectual - Land Boundary Surveying, Services, Intellectual - Land Surveying, Services, Intellectual - White Pine LLC 4694 W Jacquelyn Ave Ste 101 Fresno Praxis Land Surveying Construction,Surveying, Services, General Intellectual - Electrical - Construction,Topographic Surveying, Equipment Transportation, - Electric Generators Air - Aerial - Install Photography and/or Maintenance, Equipment - Electric Motors - Install and/or Maintenance, Services, Industrial - Electrical Construction and/or Repair, Supplies - Electrical Switchgear - Install and/or Maintenance, Supplies - Programmable Logic Controllers - Wild Electric 4626 E Olive Ave Fresno Install and/or Maintenance, Supplies - Protective Relays - Install and/or Maintenance, Supplies - Transformers -

Wilhelm LLC. 120 Stony Point Rd Ste 250 Santa Rosa Services, Industrial - Forestry, Logging, Services, Industrial - Tree Trimming and/or Clearing, Wood Chipping

Willdan Energy Solutions 2401 E. Katella Ave, Suite 300 Anaheim Services, Intellectual - Professional Engineer

Equipment - Office Trailers, Mobile Buildings - Rental, Supplies - Furniture - Rental, Supplies - Intercom, Williams Scotsman, Inc. (MD) 117 Andrews Xing Yorktown Construction,Communication General Supplies - Electrician, and/or Equipment Equipment - Rental, - Overhead Supplies Electric - Supplies Utility and/or(Power Equipment Pole, Power - Rental Line) - Install and/or Maintenance, Equipment - Photovoltaic Systems / Solar Panels - Install and/or Maintenance, Equipment - Power Generation and/or Power Transmission Equipment - Install and/or Service, Equipment - Underground Wilson Construction Co 1190 NW 3rd Ave Canby Wilson Utility Construction Co. Electric Utility (Lines, Civil Works) - Install and/or Maintenance, Supplies - Electrical Switchgear and Protective

Equipment - Overhead Electric Utility (Power Pole, Power Line) - Install and/or Maintenance, Transportation, Air - Winco, Inc. 22300 NE Yellow Gate Lane Aurora Charter Helicopter Services

WM B Saleh Company 1364 N Jackson Ave Fresno Construction, General - Painter/Painting

Wolf Construction, Inc. 22 W Palo Alto Ave Clovis Wolf Construction, Inc. Construction, General - Building Construction

Wolverine Fence Company, Inc. 930 S. Cypress Street La Habra Construction,Supplies - Fence General - Install - Engineering and/or Maintenance Procurement and Construction (EPC), Construction, General - Painter/Painting, Contractor, General - General Contractor, Oil & Gas, Exploration - Permit Man Services, Wood Environment & Infrastructure Services, Environmental - Air Quality and Meteorological Monitoring, Downwind Monitoring, Services, Wood Environment & Infrastructure Solutions, Inc. 200 American Metro Blvd , Suite 113 Hamilton Solutions Division Construction,Environmental General - Asbestos - Concrete Abatement/Removal, Construction, Construction,Services, Environmental General - Electrical - Consulting, Construction, Permits, Services,Construction, General - Electrician, Construction, General - Precast Concrete - Install and/or Maintenance, Machinery - Excavating - Operations, Supplies - Lightning Arrestors - Install and/or Maintenance, Supplies - Transformers - Workman SS Inc. 25835 Jefferson Ave Murrieta Construction,Install and/or MaintenanceGeneral - Construction Consultant, Construction, General - Construction Management, Construction, General - Engineering Procurement and Construction (EPC), Services, Intellectual - Chemical Engineering, Services, Intellectual - Civil Engineering, Services, Intellectual - Consultant Services, Services, Worley Group US 5995 Rogerdale Houston Intellectual - Electrical Engineering, Services, Intellectual - Industrial Hygiene Consultant, Services, Intellectual -

W.S. Klem Contractor, Inc. 138 Arena St., Unit B El Segundo Construction, General - Building Construction, Construction, General - Structural Repair

Services, Industrial - Instrumentation and Electrical, Services, Intellectual - Control Engineering, Services, Wunderlich-Malec 6101 Blue Circle Drive Eden Prairie Intellectual - Electrical Engineering, Services, Technical - Pharmaceutical, Validation

Equipment - Computers - Install and/or Maintenance, Services, Technical - Information Technology (IT) Support, Zones Solution Group 1102 15th St SW Ste 102 Auburn Services, Technical - Information Technology (IT)

Contractors approved via third party pre-qualification to perform Safety Tier 1 work; does not imply conformance with any additional technical requirements by SCE.