North America
- ABB
- Air Liquide
- Alabama Power
- Alcon
- Anheuser Busch
- Bayer
- Calpine
- CAT-ISO
- Chromolax
- CISCO
- Coca-Cola
- Diamler Chrysler
- Dynegy
- Ethicon
- Ethos Energy
- Exxon Mobile
- Fiber Vision
- GAF
- General Mills
- Georgia Power
- ITT Enidine
- Johnson & Johnson
- Mitsubishi
- National Gypsum
- Ring Power
- Siemens Digital
- Siemens Energy
- Talen Energy
- TVA
- UPS
- US Department of Veteran Affairs
- Varec
- Western Area Power Administration
- Wood Group
- Wrigley
International Locations
- Africa
- Asia
- Carribbean
- Central America
- Europe
- Middle East
- South America