Allegheny Power
Altronic, Inc.
American Electric Power (AEP)
Andritz KMPT Inc.
Bechtel Marine Propulsion
Bendix Corporation
British Petroleum (BP)
Cincinnati Test Systems
Columbia Gas Transmission
Copeland Corporation
Crown Equipment Corporation
Dearing Compressor
Defense Logistical Agency (DLA)
Delphi Packard
Dominion Transmission
DOW Chemical
Duke Energy
Elliott Company
Energizer Battery
Evenflo Company

First Energy
Fluke Biomedical
General Electric
Honda of America, Inc.
Howden Buffalo
Hyundai Ideal Electric Company
Johnson and Johnson Corporation
Marathon Petroleum
National Aerospace & Space Administration  (NASA)
Owens Corning
Parker Hannifin
Peerless Pump Company
Pennsylvania Crusher
Philips Respironics
Proctor and Gamble
Robert Bosch Corporation
Rolls Royce Energy Systems
Siemens Energy and Automation
Stein DSI
Wright Patterson Air Force Base