AK Steel Corporation
Alon USA
American President Line (APL)
Arrowhead Mountain Spring Water Co.
Bayer Corporation
BP Chemicals
Cal Energy
Campbell Soup Company
Chevron Texaco
Cominco Ltd.
Conoco Phillips
Dakota Gasification Company
Dofasco, Inc.
Dupont De Nemours
eSolar
Exxon Mobil Oil Corporation
FMC Wyoming Corporation
Freeport McMoran
General Chemical Corp.
Huntsman Polymers Corporation
Intermountain Power Service Corp.
Kern Oil & Refining Company
MillerCoors LLC
Mitsubishi Power Systems
Montana Power Company
Morton Salt
Nyrstar Hobart
OCI Wyoming, L.P.
Phelps Dodge Mining Co. |
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Searsless Valley Minerals
Shell Canada Products Limited
Shin-Nippon Power
Solvay Soda Ash
Tesoro Refining Company
Trigen-Colorado Energy Corporation
Tucson Electric Power Co.
United States Navy
Valero Refinery
Veolia
Western Refining
Wheelabrator
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