• Aalborg Industries, Inc.
  • ADM Corporation
  • AES Corporation
  • Altivity Packaging
  • Akzo Nobel
  • ARCO Products Company
  • Bechtel Corporation
  • Big West of CA Refinery (Flying J)
  • Born Incorporated
  • BP Oil Company
  • California Energy Commission
  • Calpine Corporation
  • Chemoil Refining Corporation
  • Chevron Corporation
  • Chevron Refinery El Segundo
  • CIBA Specialty Chemicals
  • City of Burbank
  • City of Denton
  • City of Garland
  • City of Glendale
  • City of Lubbock
  • City of Pasadena
  • Commonwealth Edison Company
  • Cummins Power Generation
  • Dakota Gasification Co.
  • Electric Power Research Institute
  • English Boiler & Tube, Inc.
  • Equilon Enterprises, LLC
  • Exelon Power
  • Fletcher Oil Company
  • Foster Wheeler Energy Corporation
  • Foster Wheeler Fired Heaters Limited
  • Frito-Lay Inc.
  • Gannett Fleming Inc.
  • General Motors Corporation
  • Georgia Pacific Corporation
  • Gilbert Commonwealth, Inc.
  • Golden West Refining Company
  • Houston Lighting & Power Co.
  • Indianapolis Power and Light Company
  • Jamestown BPU
  • Kewanee Boiler
  • Kimberly Clark

 

  • Kinetics Technology International
  • Lever Brothers
  • Lockheed Advanced Development Company
  • Lomita Gasoline
  • Los Angeles Department of Water and Power
  • Mallinckrodt, Inc.
  • Mayfair Packing Company
  • Modesto Irrigation District
  • Montenay Pacific Power Corp.
  • Monterey Carpets, Inc.
  • Nebraska Boiler Company
  • New York State Energy Office
  • NOxTech
  • NRG Energy, Inc.
  • Occidental Chemicals
  • Pacific Gas & Electric Company
  • Parsons-Main
  • Powerine Oil Company
  • Praxair, Inc.
  • R.F. MacDonald Co.
  • Reliant Energy
  • RDO Foods
  • San Diego Gas & Electric
  • San Diego Gas and Electric
  • Shell Oil Products Company
  • Solar Turbines
  • South Carolina Electric & Gas Company
  • Southern California Boiler, Inc.
  • Southern California Edison Company
  • Southern California Gas Company
  • Sterling Chemicals, Inc.
  • Struthers Wells Corporation
  • Superior Boiler
  • Texaco Refining and Marketing
  • Toro Energy, Inc.
  • Tucson Electric Power Company
  • Tuftex Industries
  • TXU Electric
  • United Corrstack LLC
  • UNOCAL Corporation
  • Weatherly, Inc.
  • Zurn Industries, Inc.