- American Melamine
- American
MetroComm Corporation
- American
Cyanamid
- Amite Foundry
- Avondale
Shipyards
- British Petroleum
Oil Company
- Central Gulf
Lines
- CF Industries
- Chalmette
Refining, LLC
- Chevron Pipeline
- Chevron Chemical
Company
- Chevron USA
- Chevron Overseas
- Collins Pipeline
- Comm Tech
Industries
- Cosmar
- Crescent
Technologies
- CSX
- Cynamid Corporation
- CYTEC Industries
- Dakota Gasification
Company
- Delta Petroleum
- Delta Queen
- Diamond Offshore
Drilling
- Dickson GMP
International
- Discovery
Gas Processors
- Domino Sugar
- Duke Energy
- Dupont Chemicals
Company
- Dynegy Midstream
Services
- EATEL
- Entergy
- Equilon Pipeline
- Equilon Lubricants
- Exxon Co.,
USA
- Freeport
Indonesia
- Freeport
McMoRan
- Freeport
Sulphur
- GE Marine
- GFRC Shelters
|
- Gulf Best
Electric
- Hebert Steel
- Hunt Petroleum
- Hunt Energy
- IMC Agrico
- International
Matex
- Jefferson
Parish Sheriff’s Office
- Lightwave
Spectrum
- Marathon
Oil
- MEITEC
- Mobil Business
Systems
- Mobil Oil
Company
- Mobil Pipeline
- Monsanto
Chemical Company
- Montgomery
Watson
- Motiva
- Murphy Oil
USA, Inc.
- Nalco Chemical
Company
- Northrup
Grumman
- Oceaneering
Production Systems
- Occidental
Chemical
- Omni Technologies
- Petrotech
- Pellerin
Construction
- Pursue Gas
Processes
- Pursue Energy
- Reily Electric
- Schlumberger
- Shell Chemical
Company
- Shell Offshore
Inc.
- Southern
Natural Gas
- Tenneco Oil
Company
- Tennessee
Gas Pipeline Company
- TEPPCO
- Texaco Oil
Company
- Thompson
Equipment Company
- Treasure
Chest Casino
- Union Carbide
- United States
Navy
- Valentine
Sugar
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