- Air
Liquide America
- Air Products and
Chemicals Inc.
- Analog Devices
- Bechtel
- BHP Petroleum
- Big Three Industries
- BOC
Gases
- Borden Chemical
- Calpine
- CBI
- Chevron
- Citizens Gas
- Dynergy
- Dofasco Steel Ltd.
- Dow Chemical
- ESSO Petroleum
- Fiberboard Corp.
- Freeport McMoran
- General Mills Inc.
- Linde
- Texaco
- Thai Copper
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- Jacobs Engineering
- Kamtech Ahlstrom
- Kvaerner
- Lockwood Green
- Lotepro
- Magma Copper
- Monsanto Chemical
- NASA Ames Research
- Pacific Gas & Electric
- Parsons
- PNOC
- Praxair
- Schlage Lock Co.
- Shell Oil Company
- Southwest Gas Corp.
- Stanford Linear
Accelerator
- Sulzer USA
- Ultramar, Inc.
- UNOCAL Refining
- US Steel
- USS Posco
- PNOC
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