- Acme Auto Parts and Recycling
- Alza Corporation
- Blachly-Lane Electric Cooperative
- BPAE
- Cardno ENTRIX
- Central Lincoln PUD
- CH2M HILL
- Christenson Electric
- City of Forest Grove
- City of Idaho Falls
- City of Port Angeles
- Clipper Windpower Development Company
- Columbia Biogas
- Columbia River Carbonates
- Consumers Power, Inc.
- Cougar Construction, Inc.
- Cowlitz County PUD
- Darcon Builders
- David Evans & Assoc.
- Don Keef and Associates
- Ecofys
- ECOregon
- Element Power
- Emerald PUD
- Emerson Network Power
- Energy Vision
- Environmental & Engineering Services
- enXco
- ESA
- Eugene Water and Electric Board
- Faegre & Benson
- Federated Rural Electric Assoc.
- First Solar
- Fotowatio Renewable Ventures
- FPLE
- Harney Electric Cooperative
- Hitt Hiller Monfils Williams LLP
- Hood River County
- Iberdrola Renewables, Inc. (PPM Energy)
- Inland Power & Light Company
- International Line Builders
- Joseph Millworks
- Kiewit Pacific Co.
- Kinder Morgan
- Klickitat PUD
- Lakeview Light & Power
- Lane Electric Cooperative
- Marion E. Gregor & Associates
- McFarland Cascade
- McMinnville Water & Light
- Midstate Electric Cooperative, Inc.
- Mortenson
- NEXion DG
- Nextlight Renewable Power (First Solar)
- Ohanamula LLC
- Oregon Dept. of Energy
- Oregon Power Solutions
- Oregon Trail Electric Cooperative
- Orion Energy
- Pacific Marine
- Power Resources Coop
- Precision Approach, Inc.
- Puget Sound Energy
- Rosendin Electric
- Sabre Tubular Structures
- Salem Electric
- Shorepower Technologies
- Skamania PUD
- Springfield Utility Board
- Stantec
- Steelscape
- Sun Storage
- SunPower
- Tice Electric Company
- Tillamook PUD
- Umatilla Electric Cooperative
- Umpqua Indian Utility Cooperative
- Union Pacific Railroad
- US Geothermal LLC
- VECA Electric
- Verde Power
- Vestas
- Warmbir Wind
- WASCO
- WC3 (West Coast Code Consultants)
- Westwood PS
- Wilson Construction
- Xcel Energy/HighEnergy, Inc.
