Last Updated: August 27th, 2019

PARTICIPATING ORGANIZATIONS Company Name Company Name Company Name Company Name 47Lining, a Hitachi Vantara Company CACI Electrical Consultants, Inc. Gulfstream Aerospace ABB CAGE Electro Magnetic Applications, Inc. Halker Consulting LLC AECOM California Resources Corporation Ellipse Analytics Halliburton Aera Energy LLC California Steel Industries, Inc. Emergent Trading Hamilton Company Air Force Nuclear Weapons Center CalPortland Emerson Automation Solutions Hayward Baker, Inc. Alan Plummer Associates INC Carollo Engineering EN Engineering HDR Engineering Alarm.com Carpenter Technology Corporation Encana Oil & Gas (USA) Inc. Helmerich and Payne Allegion Cashman Equipment Company Ensco Hensel Phelps Construction Co. Environmental Resources Manage- Amazon.com Cementation USA Hess Corporation ment AMD CEMEX, Inc. EOG Resources, Inc. Hexagon Mining AMERICAN Cast Iron Pipe Company CenturyLink Epic Systems Hilcorp Energy Company Antero Resources Chesapeake Energy Corporation Epiroc USA LLC Holland & Hart (Denver, CO) Apache Corporation Chevron Equinor Home Advisor Chevron Phillips Chemical Company Apex Engineers, Inc ESCO Construction Co. HPM, Inc. LP Evoqua Water Technology (formerly Applied Control Equipment CHS- McPherson Refinery, Inc. HR Green Siemens) ARCADIS-US Cimarex Energy Co. Evraz Pueblo Huntsman International LLC ArcelorMittal citrix ExxonMobil ICR Armstrong Consultants, Inc. City and County of Denver EY-Parthenon Illinois Institute of Technology

Aspect Energy Coeur Mining Inc. Fast Enterprises IM Flash Technologies, Inc.

Assured Flow Solutions, LLC College Drive - Baron Education FBI (Federal Bureau of Investigation) IMERYS

Atkinson Construction LLC Colorado Access FCI Constructors, Inc. IMI Precision Engineering

Colorado Association of Mechanical Federal Energy Regulatory Commis- Institute for Telecommunications Atwell, LLC. and Plumbing Contractors (CAMPC) sion Sciences Colorado Department Of Transporta- Federal Reserve Bank of Kansas B3 Insight J.R. Butler tion (CDOT) City Baker Hughes, a General Electric Colorado Oil & Gas Conservation First principles advisory James W. Fowler Co. Company Commission COGCC Infrastructure Colorado Springs Utilities FirstBank Jay Dee Contractors Ball Aerospace & Technologies Computronix Flatiron Corporation Jefferson County Government Corp. Ball Packaging Concrete Frame Associates Ford Audio Video Jeppesen Barnard Construction Company ConMed Fourpoint Energy Johns Manville Barr Engineering Company ConocoPhillips Freeport-McMoRan Johnson Controls BETSOL CORE Consultants Galloway & Company Kahuna BKBM Engineers Credera Gates Corporation Kaiser Aluminum Kansas Department of Transporta- Black & Veatch CrownQuest Operating GEI Consultants, Inc. tion Black Hills Corporation Custom Machining Corporation Genesis Alkali Keane Group Black Mountain Sand Daikin North America Genscape Kiewit Bodycote Daily Thermetrics GeoStabilization International Kimley Horn and Associates, Inc. BP America Davidson Technologies, Inc. GH Phipps Construction Companies KLJ BPX Energy Dewberry Engineers Inc. Global Shop Solutions Komatsu Mining Corp Brinkmann Constructors DMC Global Inc., dba NobelClad Google, Inc. Kraemer North America BRS Engineering, Inc. DMC Inc. Gracon LLC Kratos RT Logic Bryant Consultants, Inc. Dorsey & Whitney LLP Graham Contracting Ltd. LANGAN Lawrence Livermore National Labor- BTU Analytics, LLC DP Technology Granite Construction Inc. atory (LLNL) Build Group, Inc. East Daley Capitol Advisors Great Western Oil & Gas Lehigh Burns & McDonnell Ecolab, Nalco Greystar Lexmark International Last Updated: August 27th, 2019

PARTICIPATING ORGANIZATIONS Company Name Company Name Company Name Company Name Schlumberger Technology Corpora- Tri-State Generation and Transmis- Lhoist North America, Inc. Nucor Steel tion sion Assn,. Inc. Lockheed Martin Oasis Petroleum Seagate Technology Tudor, Pickering, Holt & Co., LLC Loenbro Occidental Oil & Gas (Oxy) SEAKR Engineering, Inc. Turner & Townsend, Inc. Los Alamos National Laboratory Olsson SEMA Construction, Inc Turner Construction TYLER TECHNOLOGIES, Eagle LSI -Logical Systems LLC. Oracle Corporation SGM, Inc. Division U.S. Army Aviation & Missile Re- M.A. Mortenson Construction Com- Shaffer Baucom Engineering & Con- ORICA USA, INC. search, Development, and Engineer- pany sulting ing Center (AMRDEC) Manhard Consulting P&G (Procter & Gamble) Shaw Construction U.S. Army Medical Recruiting U.S. Department of Transportation Manson Construction Co. Parker Hannifin Shell (General) Shimmick Construction/AECOM Civil U.S. Dept. of Interior, Bureau of Rec- Marathon Petroleum Company LP Parsons Construction lamation U.S. Dept. of the Interior, Division of Martin/Martin Partners In Performance Sibanye Stillwater Mining Company Energy and Mineral Development Matador Resources Pathfinder Systems, Inc. Sierra Nevada Corporation U.S. Engineering Company Matrix Design Group, Inc. Peabody Energy SM Energy Company U.S. Marine Corps Officer Programs Maxar Peace Corps Solar Turbines U.S. Navy U.S. Navy Program Management McKinstry Pearl Harbor Naval Shipyard & IMF Solvay Chemicals Office Strategic Systems Programs, Flight Systems Mead & Hunt Pearson Special Aerospace Services, LLC Ulteig MedKeeper PEBC Teacher Residency SpotX (formerly SpotXChange) University of Colorado at Boulder University of Colorado Colorado Meritage Midstream Peloton Computer Enterprise SRK Consulting Springs Merrick & Company Peregrine Petroleum SSR Smith Seckman Reid US Army Corps of Engineers Metro Wastewater Reclamation Dis- Phillips 66 Stanley Consultants, Inc. Utility Global trict Michael Baker International Phillips and Jordan, Inc. Staples Vestas American Wind Technology Michels Corporation Pivotal Software, Inc. Steel Dynamics, Inc Vulcan Materials Company

Microchip Technology Plexus Stonebridge Consulting W.E. O'Neil Construction Milender White Inc. POWER Engineers, Inc. STRIVE Preparatory Schools Weatherford International Milwaukee Tool Pro Craft Mechanical Summit Materials Webber Mines Graduate Admissions Proofpoint Suncor Energy USA Webroot Software, Inc. Providence Infrastructure Consult- Missile Defense Agency Sundt Construction, Inc. Wells Concrete ants, Inc. Mission Support and Test Services Puget Sound Naval Shipyard Superior Technical Ceramics Western States Fire Protection Morley Builders Rain for Rent Swarco Westmoreland Coal Co. Wilson & Company Inc., Engineers & Mott MacDonald Ramboll US Corporation TapHere Technology, LLC Architects Wiss, Janney, Elstner Associates, Mountaire Farms RARE Petro Tenaris Inc. NASDAQ OMX Raytheon Terumo BCT Wolf Robotics National Park Service/Great Basin Recondo Technology Texas Instruments Woodridge Software Institute Naval Facilities Engineering Com- Renewable Energy Systems RES The Doe Run Company WPX Energy mand - Southwest NCAR/UCAR Ricoh The RMH Group, Inc. WSP USA NEI Electric Power Engineering Rincon Research Corporation The Trade Desk Wunderlich-Malec Engineering, Inc. Wunderman Thompson Mobile - Nevada Gold Mines Rio Tinto The Walsh Group formerly POSSIBLE Mobile NewGen Strategies and Solutions, RJH Consultants, Inc. thyssenkrupp Industrial Solutions XCEL Energy LLC Newmont Mining Corporation RK Mechanical TimeSeries Zachry Construction Corporation Nextworld Rocky Mountain Resources RMR Timken Steel ZAP Engineering Niagara Bottling Rogers Group, Inc. Transamerica Zayo Transportation Technology Center Nicholson Construction Company RSM US LLP Zeta Associates Inc (TTCI) Noble Energy Salesforce Traylor Bros., Inc. Northrop Grumman Salient Power Engineering LLC Trimble LTD