American Cyanamid
AstraZeneca, Inc.
Autoliv ASP, Inc.
BART
Bayer CropScience USA, Inc.
Carquest Corporation
ChevronTexaco
Coast West Ventures, Inc.
Dow AgroSciences LLC
El Paso
Fiberite Corporation
Ford Motor Company
General Motors Corporation
International Paper Company
Keenan Properties, Inc.
Longs Drug Stores

Mazda, North America OAKFABCO
Oakland Unified School District
Phelps Dodge Industries
Phillips Petroleum Co.
PPG Industries
Rhodia, Inc.
Shell Oil Company
Shipley Company
Subaru of America, Inc.
The Dow Chemical Co.
The Sherwin Williams Co.
Tosco Corporation
UNOCAL
UOP, LLC