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Refiners:
ARCO Products Company
Big West (Flying J)
BHP Ltd
Chevron USA Products
Company
ConocoPhillips Company
Equilon Enterprises, LLC
ExxonMobil Corporation
Frontier Refining Company
Marathon Ashland
Petroleum, LLC
Mobil Oil Corporation
Paramount Petroleum
Corporation
PetroCanada
Petro Star
San Joaquin Refining
Company
Sunland Refining Company
Tesoro
Texaco Refining and
Marketing
Tosco Refining Company
Ultramar Diamond Shamrock
Corporation
Unocal 76 Products
Company
Unocal Corp. -
Engineering & Construction
Valero
Oil & Gas Producers:
Aera Energy, LLC
Alyeska Pipeline Services
Company
Enron Oil Trading &
Transportation Company
PTS/Benton Molino Gas
Torch Operating Company
Unocal Oil & Gas
Unocal Engineering and
Construction Int., Inc.
Veneco
Professional Services Companies:
Refining Process
Services, Inc.
Stillwater Associates, LLC
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Chemical Manufacturers:
Air Liquide Electronic
Chemcal & Services, Inc.
Ultramar Diamond Shamrock
Corporation
Unocal 76 Products
Company
Tosco Refining Company
Mining and Manufacturing:
Molycorp
Aluminum Company of
America
Engineering Firms:
Biostruct
Brinderson
C&H Engineering Company
Cannon Associates
CH2M-Hill
Daelim Engineering
Company, Ltd
Derksen Design, Inc.
Fluor Daniel, Inc.
Fluor Enterprises, Inc.
Front End Engineering
Design
Hobbs-Bannerman
Engineering Co.
Kappa Engineers, Inc.
Mangan, Inc.
Maureen Price Consulting,
Inc.
Processes Unlimited
International
Raymond Professional
Group, Inc.
Spec Services
VECO
Power Generation:
Watson Cogeneration
Company
Environmental Firms
CH2M-Hill
Environ |