Oil & Gas Companies in Hidalgo County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Falcon Production Co. | Floresville, TX 78114 | Oil & Gas Operator | Oct 2025 |
| 2 | Fargo Oil & Gas, LLC | Corpus Chrsti, TX 78415 | Oil & Gas Operator | Oct 2025 |
| 3 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Oct 2025 |
| 4 | Faulconer Vernon E Inc | Tyler, TX 75711 | Oil & Gas Operator | Jul 2025 |
| 5 | Fidelity Explor. & Prod. Co. | Denver, CO 80202 | Oil & Gas Operator | Nov 2015 |
| 6 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 7 | Firstrike Energy Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Jan 2025 |
| 8 | Five-Jab, Inc. | Tomball, TX 77377 | Oil & Gas Operator | Oct 2025 |
| 9 | Flairtex Resources, Inc. | Houston, TX 77040 | Oil & Gas Operator | Oct 1998 |
| 10 | Fletcher Operating, LLC | Fairhope, AL 36532 | Oil & Gas Operator | Oct 2025 |
| 11 | Flournoy Production Co. | Alice, TX 78333 | Oil & Gas Operator | Dec 2002 |
| 12 | Fordyce Oil & Gas | Sullivan City, TX 78595 | Oil & Gas Operator | Jul 2022 |
| 13 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 14 | Fortune Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Oct 2025 |
| 15 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Oct 2025 |
| 16 | Fox, Hewitt B., Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Oct 2025 |
| 17 | Franklin, J.W. Oil Operator | | Oil & Gas Operator | Nov 2001 |
| 18 | Frisco Oil Corporation | Tyler, TX 75701 | Oil & Gas Operator | Mar 2000 |
Production numbers shown above are only for Hidalgo County, TX and for the production period listed.