- Archer Daniels Midland Company (ADM)
- Allied Signal
- AMAX Metals Recovery
- Amerada Hess
- Apache
- Apex Silver
- Avondale Shipyards
- Atlantic Copper S.A.
- Barrick Gold Corporation
- BFI
- Borden Chemical
- Cargill
- Chevron
- Coastal Aruba
- Coca-Cola
- Colonial Sugar
- ConAgra
- Cri-Met
- Cyprus AMAX
- Domino Sugar
- DuPont
- Elmer's Candy
- Entergy
- ExxonMobil
- Folgers Coffee
- Freeport-McMoRan Copper & Gold, Inc.
- McMoRan Exploration
- Freeport Sulphur Company
- Freeport-McMoRan Inc.
- Genescan, USA
- Gulf Sulphur Services
- Hecla Mining
- Homestake Gold
- IMC-Agrico
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- IMC-Global Inc.
- Ivanhoe Mines Mongonlia
- International-Matex Tank Terminals (IMTT)
- INCO
- Inspectorate Griffith
- J. W. Allen
- Kemper National Insurance
- Louisiana State Penitentiary
- Main Pass Entergy Hub
- McMoRan Oil & Gas (MOXY)
- Melamine Chemicals
- Minerals Escondida
- MINPROC
- Mississippi Chemical
- Mitsubishi
- Mobil
- Mosaic
- Newmont Gold Company
- Outback Steakhouse
- Pennzoil
- Rio Tinto Mines
- Rio Tinto Zinc
- Russell Marine International
- Shell
- Savage Services
- Texaco
- Town of Vinton, LA
- URS Corporation
- US Customs
- US Dept. of Interior
- US Dept. of Treasury
- US FDA
- Winn Dixie
- World Bank
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