TOP SPECIALTY CONTRACTORS n MAIN RANKING TEXAS & LOUISIANA TOP SPECIALTY CONTRACTING FIRMS RANK COMPANY LARGEST PROJECT TO BREAK GROUND REGIONAL REV. LOCATION/WEBSITE ITS LOCATION MARKET SECTORS 2014 2015 2014 TOP OFFICER PROJECT VALUE ($ MIL.) BY % OF REVENUE ($ MIL)** 1 2 EMCOR GROUP INC. Not Provided 100 Mechanical 963.08 Norwalk, Conn. | emcorgroup.com Anthony J. Guzzi, President & CEO 2 3 MMR GROUP INC. Sasol 100 Electrical 487.00 Baton Rouge, La. | mmrgrp.com Lake Charles, La. James Rutland, CEO 296 3 4 TDINDUSTRIES INC. 609 Main 42 Equipment, Controls, 396.00 Dallas | tdindustries.com Houston Commissioning, etc. Harold Macdowell, CEO 29 25 Mechanical 20 Plumbing 4 — ORION MARINE GROUP INC. Bayport/Barbour's Cut Expansion Project 100 Marine Transportation 386.00 Houston | orionmarinegroup.com Houston Facility Construction Mark Stauffer, CEO 68 5 5 BRANDT COS. LLC Methodist Hospital Expansion 78 Mechanical 384.00 Carrollton, Texas | brandt-companies.com San Antonio 22 Electrical Mark Zilbermann, CEO 46 6 9 KEYSTONE CONCRETE PLACEMENT Block 256 93 Concrete 320.00 Houston | keystoneconcrete.com Houston 4 Sitework/Excavation/ Don Stewart, CEO 20 Foundation 12 Plumbing 7 6 THE NEWTRON GROUP Not Provided 100 Electrical 280.11 Baton Rouge, La. | TheNewtronGroup.com Bruce Beard, President 8 — FISK ELECTRIC CO. Dow Lake Jackson Phase 2 100 Electrical 246.07 Houston | fiskcorp.com Lake Jackson, Texas Darrell Harwood, President 25 9 12 ISC CONSTRUCTORS LLC Not Provided 100 Electrical 240.31 Baton Rouge, La. | iscgrp.com Jerry Rispone, President & CEO 10 10 T.A.S COMMERCIAL CONCRETE CONSTRUCTION LLC Market Square Apartments 100 Concrete 236.24 Houston | tasconcrete.com Houston Mark Scully, President 27 11 11 WALKER ENGINEERING INC. Houston Marriott Marquis Hotel 100 Electrical 189.25 Irving, Texas | walkertx.com Houston Scott Walker, CEO 21 12 8 ENERGY SERVICES HOLDINGS LLC Ethane & GTL Underground and Construction Power 100 Electrical 187.86 Houston | energyservicesholdings.com Westlake, La. Bryan Landry , CEO 13 13 27 COMFORT SYSTEMS USA Not Provided 100 Mechanical 151.37 Houston | comfortsystemsusa.com Brian Lane, CEO 14 14 JMEG LP State Farm Phase 2 Office Bldg. 100 Electrical 145.88 Farmers Branch, Texas | jmeglp.com Richardson, Texas Ray Naizer, President/General Partner 8 15 — OSBURN CONTRACTORS INC. 35/Eagle Distribution Center 100 Concrete 144.00 Garland, Texas | osburncontractors.com Fort Worth Dave Osburn, CEO 14 16 20 UNIVERSAL PLANT SERVICES INC. Not Provided 100 Millwright & Turnaround 136.65 Deer Park, Texas | universalplant.com Services Bradley Jones and Stewart Jones, Co-CEOs 17 19 CAPFORM INC. Rainey Street Apartments 100 Concrete 131.94 Carrollton, Texas | capforminc.com Austin, Texas Luc LaFleur, CEO 14 **INCLUDES REVENUE GENERATED FROM GENERAL CONTRACTING, DESIGN-BUILD AND CONSTRUCTION MANAGEMENT AT-RISK AS WELL AS FEES FROM PROGRAM MANAGEMENT AND CONSTRUCTION MANAGEMENT FOR FEE. enr.com/texas-louisiana October 19, 2015 m ENRTexas&Louisiana TX21 TOP SPECIALTY CONTRACTORS n MAIN RANKING TEXAS & LOUISIANA TOP SPECIALTY CONTRACTING FIRMS RANK COMPANY LARGEST PROJECT TO BREAK GROUND REGIONAL REV. LOCATION/WEBSITE ITS LOCATION MARKET SECTORS 2014 2015 2014 TOP OFFICER PROJECT VALUE ($ MIL.) BY % OF REVENUE ($ MIL)** 18 22 CHERRY COS. Not Provided 80 recycling concrete/ 127.00 Houston | cherrycompanies.com asphalt/stabilized material Leonard Cherry, President 20 Demolition/Wrecking 19 13 ARDENT SERVICES LLC Ethane & GTL Underground and Construction Power 100 Electrical 126.64 Covington, La. | ardent.us Westlake, La. Albert F. Vallotton III, President & CEO 13 20 16 BAKER TRIANGLE Texas A&M University Kyle Field 94 Wall/Ceiling 126.50 Mesquite, Texas | bakertriangle.com College Station, Texas 6 Plastering/Drywall Steve Baker, CEO 7 21 24 PRISM ELECTRIC INC. DFW Airport Terminal A Phase 3 100 Electrical 110.29 Garland, Texas | prismelectric.com Irving, Texas Blake Combs, President 28 22 25 CUMMINGS ELECTRICAL Cook Children’s New South Tower and South Utility 100 Electrical 106.00 Fort Worth | cummingselec.com Plant Tim Cummings, President Fort Worth 31 23 48 YTG LLC Not Provided 60 Electrical 97.71 Philadelphia, Miss. | 24 Mechanical William G. Yates Jr., CEO 8 Plumbing 24 15 TEAM INDUSTRIAL SERVICES INC. Not Provided 100 Mechanical 96.34 Sugar Land, Texas | teamindustrialservices.com Joe Jordan, Vice President/General Manager - Gulf Region 25 23 ROSENDIN ELECTRIC Not Provided 100 Electrical 89.00 Manor, Texas | rosendin.com John Colley, Director of Texas Operations 26 26 HUMPHREY & ASSOCIATES INC. The Richards Group 76 Electrical 85.59 Fort Worth | teamhumphrey.com Dallas 18 Mechanical Steve Humphrey Sr., CEO 8 6 Plumbing 27 21 ALTERMAN INC. HBG Convention Center 100 Electrical 85.07 San Antonio | GoAlterman.com San Antonio John Wright, CEO 35 28 30 HI-TECH ELECTRIC INC. PCCP Pump Stations 100 Electrical 82.37 Houston | hitechelectric.com New Orleans, La. Chase Canfield, CEO 25 29 34 BASDEN STEEL CORP. AA Integrated Operations Center 74 Steel Erection/ 79.67 Burleson, Texas | basdensteel.com Arlington, Texas Fabrication Bruce Basden, CEO 4 26 Crane and hoisting 30 — PRIME CONTROLS LP University of Texas-Central Chiller Station No. 7 100 Industrial Automation 77.20 Lewisville, Texas | prime-controls.com Austin, Texas Jason McNiel, President 6 31 — GREATER METROPLEX INTERIORS - GMI Greenwater 100 Wall/Ceiling 67.00 Southlake, Texas | gmitexas.com Austin, Texas G. Mikal Darden, President & CEO 8 32 37 FRISCHHERTZ ELECTRIC CO. New Orleans Aviation Lighting 100 Electrical 65.99 New Orleans | frischhertz.com New Orleans James Frischhertz, Chairman 12 33 28 REMEDIAL CONSTRUCTION SERVICES LP Cameron LNG 100 Sitework/Excavation/ 62.59 Houston | reconservices.com Hackeberry, La. Foundation Jerry Mason, President & CEO 66 **INCLUDES REVENUE GENERATED FROM GENERAL CONTRACTING, DESIGN-BUILD AND CONSTRUCTION MANAGEMENT AT-RISK AS WELL AS FEES FROM PROGRAM MANAGEMENT AND CONSTRUCTION MANAGEMENT FOR FEE. TX22 ENRTexas&Louisiana m October 19, 2015 enr.com/texas-louisiana TOP SPECIALTY CONTRACTORS n MAIN RANKING TEXAS & LOUISIANA TOP SPECIALTY CONTRACTING FIRMS RANK COMPANY LARGEST PROJECT TO BREAK GROUND REGIONAL REV. LOCATION/WEBSITE ITS LOCATION MARKET SECTORS 2014 2015 2014 TOP OFFICER PROJECT VALUE ($ MIL.) BY % OF REVENUE ($ MIL)** 34 31 CEC COS. Nebraska Furniture Mart 96 Electrical 62.54 Fort Worth| cec-companies.com The Colony, Texas 4 Facilities Ray Waddell, CEO 23 35 35 KENMOR ELECTRIC CO. LP University of Houston MREB 84 Electrical 61.95 Houston | kenmor.com Houston 16 Voice Data Kip Farrington, President 10 36 — ADMIRAL GLASS CO. UT Dell 100 Glazing/Curtain Wall 61.00 Houston | admiralglass.net Austin, Texas Carlo Eisner de Eisenhof, Sr. Exec. VP, Director of Operations Not Provided 37 39 BERGER ENGINEERING CO. UNT-Rawlins Hall 100 Mechanical 54.49 Dallas | berger-engr.com Denton, Texas Richard L. Berger, President 4 38 51 JOSLIN CONSTRUCTION LCISD Fulshear High School 57 Utility 51.00 Porter, Texas | joslintexas.com Fulshear, Texas 41 Sitework/Excavation/ Curt Joslin, CEO 8 Foundation 2 Concrete 39 36 SLACK & CO. CONTRACTING INC. Phillips 66 Headquarters 50 Sitework/Excavation/ 50.99 Houston | slackandco.com Houston Foundation Jim Slack Jr., President 13 50 Utility 40 — HALEY-GREER INC. Hall Arts Center 100 Glazing/Curtain Wall 46.50 Dallas | haleygreer.com Dallas Letitia Haley Barker, President 11 41 43 KPOST CO. Home Depot Distribution 78 Roofing 45.63 Dallas | kpostcompany.com Dallas 10 Thermal & Moisture Stephen G. Little, President 2 Protection 7 Lightweight Insulating Concrete 42 — PRECISION DEMOLITION LLC University of Texas EERC 96 Demolition/Wrecking 45.00 Lewisville, Texas | precisiondemolition.com Austin, Texas 4 Abatement Aaron W. Smith, President 5 42 32 BEARD CONSTRUCTION GROUP LLC Apollo Project 100 Sitework/Excavation/ 45.00 Port Allen, La. | beardconstructiongroup.com Geismar, La. Foundation James A. Beard, President 15 44 — TRI DAL LTD. & AFFILIATES Commerce 20 Warehouse 76 Utility 44.95 Southlake, Texas | tridal.com Dallas 24 Sitework/Excavation/ Richard J. Muller, President & CEO 3 Foundation 45 41 POWER DESIGN INC. Green Water Block 1 100 Electrical 44.72 St. Petersburg, Florida | powerdesigninc.us Austin, Texas Rob McMillian, Regional Vice President 9 46 33 RABALAIS I & E CONSTRUCTORS E09 & E12 Voestalpine 100 Electrical 44.68 Corpus Christi, Texas | rabalais.com Portland, Texas Kevin Sharp, President 5 47 62 ARC ABATEMENT Olympic 1401 Elm 89 Abatement 39.67 Waco, Texas | arcabatement.com Dallas 11 Demolition/Wrecking Ron Daniel, CEO 15 48 45 KING OF TEXAS ROOFING CO. LP Not Provided 100 Roofing 38.95 Grand Prairie, Texas | kingoftexas.com Nelson R. Braddy Jr., CEO 49 42 UNITED CHESTER INDUSTRIES INC. DBA UNITED Not Provided 60 Mechanical 38.63 MECHANICAL 40 Plumbing Dallas | unitedmechanical.com David L. Osborne, President & CEO 50 49 GATE PRECAST Cook Children's Medical Center Tower 100 Concrete 38.17 Hillsboro, Texas | gateprecast.com Fort Worth Dean Gwin, President & COO Not Provided **INCLUDES REVENUE GENERATED FROM GENERAL CONTRACTING, DESIGN-BUILD AND CONSTRUCTION MANAGEMENT AT-RISK AS WELL AS FEES FROM PROGRAM MANAGEMENT AND CONSTRUCTION MANAGEMENT FOR FEE. enr.com/texas-louisiana October 19, 2015 m ENRTexas&Louisiana TX23 TOP SPECIALTY CONTRACTORS n MAIN RANKING TEXAS & LOUISIANA TOP SPECIALTY CONTRACTING FIRMS RANK COMPANY LARGEST PROJECT TO BREAK GROUND REGIONAL REV. LOCATION/WEBSITE ITS LOCATION MARKET SECTORS 2014 2015 2014 TOP OFFICER PROJECT VALUE ($ MIL.) BY % OF REVENUE ($ MIL)**