Oil & Gas Companies in Vermilion Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | R & B Oil Company, LLC Of Texas | | Oil & Gas Operator | Jan 2025 |
| 2 | R&R Resources Corporation | Houston, TX 77056 | Oil & Gas Operator | Dec 2015 |
| 3 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 4 | Ranger Holdings Co | | Oil & Gas Operator | Jul 1993 |
| 5 | Ranger Oil Company | Canada, 00100 | Oil & Gas Operator | Sep 2001 |
| 6 | Ranger, Inc. | | Oil & Gas Operator | Dec 1986 |
| 7 | Redman Operating Company | Houston, TX 77042 | Oil & Gas Operator | May 2008 |
| 8 | Reef Exploration Inc | Denver, CO 80202 | Oil & Gas Operator | Feb 2007 |
| 9 | Reef Exploration, L.P. | Richardson, TX 75080 | Oil & Gas Operator | Oct 2025 |
| 10 | Republic Mineral Corporation | | Oil & Gas Operator | Sep 1987 |
| 11 | Reserve Partners L.L.C. | | Oil & Gas Operator | Feb 2001 |
| 12 | Resource Acquisitions Corp. | | Oil & Gas Operator | Dec 2002 |
| 13 | Riceland Petroleum Company | | Oil & Gas Operator | Nov 2024 |
| 14 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 15 | Rock Energy Operating Company | | Oil & Gas Operator | Nov 2008 |
| 16 | Rogers Oil Co. | Bronson, KS 66716 | Oil & Gas Operator | Sep 1995 |
| 17 | Rozel Operating Company | | Oil & Gas Operator | Oct 2014 |
Production numbers shown above are only for Vermilion Parish, LA and for the production period listed.