Oil & Gas Companies in Plaquemines Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 2 | Ramco Operating Company | Tulsa, OK 74135 | Oil & Gas Operator | Jan 1998 |
| 3 | Rapiere Resources Company | | Oil & Gas Operator | Aug 2024 |
| 4 | Ray Estis | | Oil Operator | Dec 2024 |
| 5 | Red Willow Offshore, LLC | | Oil & Gas Operator | Apr 2011 |
| 6 | Reese Oil And Gas Company | | Oil & Gas Operator | Mar 1985 |
| 7 | Reita Oil Company | | Oil & Gas Operator | Jan 1987 |
| 8 | Renaissance Offshore, LLC | | Oil & Gas Operator | Mar 2023 |
| 9 | Research Enterprises, Inc. | | Oil Operator | Jan 1996 |
| 10 | Ridgelake Energy, Inc. | | Oil & Gas Operator | Jul 2020 |
| 11 | Riverwood Production Co., Inc. | | Oil & Gas Operator | Nov 1990 |
| 12 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 13 | Robert W. Omeara | | Oil & Gas Operator | Sep 1988 |
| 14 | Roberts & Bunch Resources | | Oil & Gas Operator | Dec 1993 |
| 15 | Rockland Oil Company | Addison, TX 75001 | Oil & Gas Operator | Jun 2025 |
| 16 | Rosewood Resources (Poc), Inc. | | Oil & Gas Operator | Dec 1984 |
| 17 | Rosewood Resources, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 18 | Roy M. Huffington, Inc. | | Oil & Gas Operator | Jul 1983 |
| 19 | Rozel Operating Company | | Oil & Gas Operator | Oct 2014 |
Production numbers shown above are only for Plaquemines Parish, LA and for the production period listed.