Clients
- Ainsworth Lumber
- Calpine, Otay Mesa Energy Center LLC
- City of Montreal
- Contemporary Security Canada
- District of Columbia Water and Sewer Authority (DCWASA)
- Domtar Inc. (Weyerhaeuser)
- DuPont
- Dynegy
- Arlington
- Griffith
- Morro Bay
- Moss Landing
- South Bay
- EPCOR
- Footner Forest Products
- Honeywell (Kennedy Space Center)
- Interfor
- J-Power, Orange Grove Energy LP
- Kleen Energy Systems
- Liberty Paper Inc.
- LS Power
- Metal Exchange Corporation
- Milford Power Company
- Mohawk Industries
- National Grid (Keyspan)
- Northrop Grumman
- Pepco
- PGE (Portland General Electric)
- Potlatch Corporation
- Sandia National Laboratories
- Sappi Fine Papers
- Cloquet, Minnesota
- Somerset, Maine
- Westbrook, Maine
- Sempra Energy
- Cameron LNG
- Energía Costa Azul
- San Diego Gas & Electric
- Signode
- State of Maine – Bureau of General Services
- Symbiont
- Tembec
- The Freeman Corporation
- The Heritage Group (Johann Haltermann Ltd)
- Unitil Corporation (Granite State Gas)
- UOSA (Upper Occoquan Sewage Authority)
- Valero Refining
- Vopak Terminals UK
- Wausau Paper
- Brainerd Mill
- Mosinee Mill
- Middletown Mill
- Rhinelander Mill
- Wood Group (Zeeland Generating Station)