Oil & Gas Companies in Dimmit County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Oct 2025 |
| 2 | Acorn Oil & Gas, Inc. | Orchard, TX 77464 | Oil Operator | Sep 2017 |
| 3 | Acorn Oil & Gas, LLC | Iraan, TX 79744 | Oil & Gas Operator | Oct 2025 |
| 4 | Activa Resources, LLC | San Antonio, TX 78205 | Oil & Gas Operator | Oct 2025 |
| 5 | Ageron Energy, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Oct 2025 |
| 6 | Alamo Operating Company, L. C. | San Antonio, TX 78278 | Oil & Gas Operator | Aug 2023 |
| 7 | Alcorn Prod Co. | Victoria, TX 77902 | Oil & Gas Operator | Mar 1997 |
| 8 | American Cometra, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2008 |
| 9 | American Energy Partners Inc | Boerne, TX 78006 | Oil & Gas Operator | Dec 2011 |
| 10 | American Exploration Company | Houston, TX 77010 | Oil & Gas Operator | Jan 2000 |
| 11 | Ampak Oil Company | Plano, TX 75074 | Oil & Gas Operator | Oct 2025 |
| 12 | Anadarko E&P Company LP | Houston, TX 77251 | Oil & Gas Operator | Aug 2014 |
| 13 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |
| 14 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Oct 2025 |
| 15 | Aransas DRLG & Workover Co Inc | Corpus Chrsti, TX 78409 | Oil & Gas Operator | Jul 2019 |
| 16 | Arrco Operating, LLC | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Oct 2025 |
| 17 | Aruba Petroleum, LTD. | Dallas, TX 75206 | Oil & Gas Operator | Aug 2003 |
| 18 | Atinum Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 19 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 20 | Av-Tech Resources Corporation | Kerrville, TX 78028 | Oil & Gas Operator | Jul 2022 |
| 21 | Axis Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Oct 2025 |
| 22 | Ayers Oil Co. | Crystal City, TX 78839 | Oil & Gas Operator | Sep 1995 |
Production numbers shown above are only for Dimmit County, TX and for the production period listed.