Oil & Gas Companies in DeWitt County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Oct 2025 |
| 2 | Faulconer Vernon E Inc | Tyler, TX 75711 | Oil & Gas Operator | Jul 2025 |
| 3 | Field Petroleum Corp. | San Antonio, TX 78216 | Oil & Gas Operator | Oct 2025 |
| 4 | Fields Exploration, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Aug 2015 |
| 5 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 6 | Finaly Resources LLC | Sunset Beach, CA 90742 | Oil & Gas Operator | Oct 2025 |
| 7 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Oct 2025 |
| 8 | First Rock, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Oct 2025 |
| 9 | Firstrike Energy Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Jan 2025 |
| 10 | Five-Jab, Inc. | Tomball, TX 77377 | Oil & Gas Operator | Oct 2025 |
| 11 | Fletcher Operating, LLC | Fairhope, AL 36532 | Oil & Gas Operator | Oct 2025 |
| 12 | Flournoy Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 13 | Foothill Energy, LLC | Spring, TX 77393 | Oil & Gas Operator | Oct 2025 |
| 14 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 15 | Forney Oil Corporation | Houston, TX 77056 | Oil & Gas Operator | Jan 1998 |
| 16 | Forza Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Oct 2025 |
| 17 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Oct 2025 |
| 18 | Four C Oil & Gas Corp. | Dallas, TX 75206 | Oil & Gas Operator | Jan 2024 |
| 19 | Fowler Oil & Gas LLC | Fort Worth, TX 76109 | Oil & Gas Operator | Oct 2025 |
| 20 | Freddy'S Well Service, Inc. | Victoria, TX 77902 | Oil & Gas Operator | May 2025 |
| 21 | Freeport-McMoran Oil & Gas LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 22 | Frio Engineering Inc. | Houston, TX 77066 | Oil & Gas Operator | Oct 2025 |
| 23 | Frio Production Co. | Alice, TX 78333 | Oil & Gas Operator | Sep 1998 |
Production numbers shown above are only for DeWitt County, TX and for the production period listed.