Oil & Gas Companies in Medina County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Regency Energy, Inc. | Crystal City, TX 78839 | Oil & Gas Operator | Oct 2025 |
| 2 | Resaca Resources, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 |
| 3 | Rex Oil, A Texas Partnership | Hondo, TX 78861 | Oil & Gas Operator | May 2003 |
| 4 | Richardson Oil Company | San Antonio, TX 78216 | Oil & Gas Operator | Aug 2003 |
| 5 | Riggs, Don R. | San Antonio, TX 78270 | Oil & Gas Operator | Aug 2003 |
| 6 | Rlu Oil & Gas, Inc. | Devine, TX 78016 | Oil & Gas Operator | Oct 2025 |
| 7 | Rlu Operating, LLC | Devine, TX 78016 | Oil & Gas Operator | Oct 2025 |
| 8 | Rorico Oil Company | Argyle, TX 76226 | Oil & Gas Operator | Oct 2025 |
| 9 | RPG Operating LLC | MC Queeney, TX 78123 | Oil Operator | Oct 2025 |
Production numbers shown above are only for Medina County, TX and for the production period listed.