Following is a list of clients we have worked with.
- AES
- Allegheny Power
- Allete Inc. – Minnesota Power
- Alliant Energy Corporation
- American Electric Power Co., Inc.
- American President Lines
- Archer Daniels Midland
- Austin Energy
- BASF
- Black Hills Energy
- BP
- Bruce Power
- Buckeye Partners
- Calpine
- Canadian Natural Resources Ltd
- Chesapeake Energy
- Chevron
- CHS Inc.
- Chugach Electric Co-operative
- City Utilities of Springfield Missouri
- Colorado Springs Utilities
- Conectiv
- ConocoPhillips
- CountryMark
- Covestro AG
- Dairyland Power
- Delek Us Holdings
- Detroit Edison
- Duke Energy
- DuPont
- East Kentucky Power Cooperative
- Eastern Shore Natural Gas
- El Paso Electric
- Electric Supply Board of Ireland
- Eversource
- ExxonMobil
- Florida Public Utilities
- Georgia Pacific
- Golden Valley Electric Association
- Grand Bahamas Power
- Green Mountain Power
- Hawaiian Electric Company
- Heritage Crystal Clean
- Hess Corporation
- HollyFrontier Corporation
- Hoosier Energy Co-operative
- Husky Energy
- Integrys
- Invista
- Johnson Controls
- K+S Potash Canada
- Klickitat Pub
- Koch Industries – Koch Membrane Division
- Kraft Foods
- Land O Lakes
- Loram
- Lower Colorado River Authority
- LyondellBasell Industries
- Marathon Petroleum Company
- Marubeni
- MidAmerican Energy
- Minnkota Power Corporation
- Mirant
- Monroe Energy
- Mosaic Company
- NAPEC Inc.
- National Grid
- Nevada Energy
- Northern California Power Agency
- NuStar Energy LP
- Ontario Power Group
- Orlando Utilities Commission
- Pacific Gas & Electric
- PacifiCorp
- Peoples Gas
- PEPCO
- Phillips 66
- Portland General Electric
- PowerGen of Trinidad & Tobago
- Prairie State Generating Company, Inc.
- PSE&G
- Rio Tinto
- Royal Dutch Shell
- Salt River Project
- Seminole Electric Co-operative
- SG Solutions
- Sinclair Oil Corporation
- Southern Company
- SunCoke Energy
- Suncor Energy
- Syncrude
- Teck Resources
- Tennessee Valley Authority (TVA)
- Tesoro
- The Cliffs
- Timken Steel
- TOTAL Petrochemicals & Refining USA, Inc.
- Transalta
- Tucson Electric Power
- TXU Energy
- UGI
- Valero
- Wabash Valley Power Association Inc.
- Westvaco
- Weyerhauser
- Wisconsin Energy