Our Certifications

ArcelorMittal, American Electric Power, AK Steel, Allegheny Energy, Alliant Energy, BAE Systems

Clipper, U.S. Department of Energy, Excelon, Fairbanks Morse Engine, GE Energy, Holcim

Alcoa, DTE Energy, Alstom, FirstEnergy, Caterpillar, Lafarge

Lockheed Martin, Northrop Grumman, U.S. Department of the Interior, SCA, Siemens, Tennessee Valley Authority

US Steel, Wartsila, WE Energies, Xcel Energy, Inc., US Army Corps of Engineers, Voith GmbH

Severstal, Progress Energy, Wartsila, Florida Power &amp; Light, Louisiana Gas &amp; Electric, NextEra Energy Company

Calpine Corp, Duke Energy, Kentucky Utilities, Madison Gas and Electric, Westar Energy, Ameren UE

Entergy, Constellation Energy, Dynegy Midwest Generation, Nucor Steel, Gardner Denver Thomas, North American Lighting

American Metal Technologies, SPX, Veolia Water North America, GE Energy, Fairbanks Morse Engine, Clipper