| Refinery Name | Date | DNR Code & Location |
| Exxon Co. U.S.A. | 1980-98 | EXX - Baton Rouge |
| B.P. Oil Corp. | 1989-98 | STN - Belle Chasse |
| Standard Oil Co. | 1986-88 | |
| Gulf Refining & Marketing Co. | 1985-85 | |
| Gulf Oil Corp. | 1981-84 | |
| Gulf Oil Co. U.S. | 1979-80 | |
| Canal Refining Co. | 1980-98 | CNL - Church Point |
| Mobil Oil Corp. | 1989-98 | TNN - Chalmette |
| Tenneco Oil Co. | 1980-88 | |
| Star Enterprise | 1989-98 | TXC - Convent |
| Texaco Refining & Marketing | 1985-88 | |
| Texaco, Inc. | 1980-84 | |
| Calumet Lubricants Co., L.P. | 1996-98 | CTT - Cotton Valley |
| Kerr-McGee Refining Corp. | 1985-95 | |
| Kerr-McGee Corp. | 1983-84 | |
| Cotton Valley Solvents Co. | 1980-82 | |
| Marathon Oil Co. | 1992-98 | MRT - Garyville |
| Marathon Petroleum Co. | 1985-91 | |
| Marathon Oil Co. | 1980-84 | |
| TransAmerica Refining Co. | 1992-98 | GDH - Good Hope |
| TransAmerica Refining Co. | 1988-91 | |
| GHR Energy Corp. | 1982-87 | |
| Good Hope Refineries, Inc. | 1981-81 | |
| Good Hope Industries, Inc. | 1980-80 | |
| Valero Refining Co. - La. | 1997-98 | HHL - Krotz Springs |
| Basis Petroleum, Inc. | 1996-96 | |
| Phibro Energy U.S.A., Inc. | 1993-95 | |
| Phibro Refining Inc. | 1992-92 | |
| Hill Petroleum Co. | 1980-91 | |
| Calcasieu Refining, Inc. | 1985-98 | CLC - Lake Charles |
| CPI Oil & Refining, Inc. | 1982-84 | |
| Calcasieu Refining Ltd. | 1980-81 | |
| Citgo Petroleum Corp. | 1984-98 | CTS - Lake Charles |
| Cities Service Co. | 1980-83 | |
| Conoco, Inc. | 1982-98 | CNB - Lake Charles |
| Conoco | 1980-81 | |
| Contineltal Oil Co. | 1979 | |
| American Int'l Refinery, Inc. | 1997-98 | KKC - Lake Charles |
| Gold Line Refining Ltd. | 1992-97 | |
| American Int'l Refining, Inc. | 1989-91 | |
| Lake Charles Refining Co. | 1980-88 | |
| Aweco | 1979-79 | |
| Padre Refining Co. | 1997-98 | CLB - Lisbon |
| Arcadia Refining & Mktg.Co. | 1995-96 | |
| Dubash Gas Co. | 1992-94 | |
| Claiborne Gasoline Co. | 1980-91 | |
| Murphy Oil U.S.A., Inc. | 1984-98 | MRP - Meraux |
| Murphy Oil Corp. | 1980-83 | |
| Shell Oil Co. | 1980-98 | SHL - Norco |
| Calumet Lubricants Co., L.P. | 1991-98 | CLM - Princeton |
| Calumet Refining Co. | 1980-90 | |
| Placid Refining Co. | 1980-98 | PLC - Port Allen |
| Pennzoil Producing Co. | 1992-98 | ATL - Shreveport |
| Pennzoil Products Co. | 1986-91 | |
| Pennzoil Co. | 1985-85 | |
| Atlas Processing Co. | 1980-84 | |
| Shell Chemical Co. | 1996-98 | INT - St. Rose |
| St. Rose Refinery, Inc. | 1994-95 | |
| Phibro Energy U.S.A., Inc. | 1993-93 | |
| Phibro Refining, Inc. | 1992-92 | |
| Hill Petroleum Co. | 1987-91 | |
| International Processors | 1981-86 | |
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