Oil & Gas Companies in Dimmit County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Wagner, Duer & Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1999 |
| 2 | Wallis Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 |
| 3 | WCS Oil & Gas Corporation | Dallas, TX 75209 | Oil & Gas Operator | Aug 2021 |
| 4 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Jul 2025 |
| 5 | Western Field Exploration, Inc. | Dilley, TX 78017 | Oil & Gas Operator | Oct 2025 |
| 6 | White Marlin Operating Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 7 | Whittier Operating Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2007 |
| 8 | Wilbanks, Bruce A. | Midland, TX 79701 | Oil & Gas Operator | Aug 1996 |
| 9 | Williamson Operating Co. | Uvalde, TX 78801 | Oil & Gas Operator | Oct 2025 |
| 10 | Wilmoth Interests, Inc. | Marion Center, PA 15759 | Oil & Gas Operator | Mar 2025 |
| 11 | Wilson, Don H., Inc. | Elkhart, TX 75839 | Oil & Gas Operator | May 2019 |
| 12 | Windsor Exploration Company | Dallas, TX 75204 | Oil & Gas Operator | Jan 1994 |
| 13 | Wineland Oil - LLC | Hays, KS 67601 | Oil Operator | May 2025 |
| 14 | Winn Exploration Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Oct 2025 |
| 15 | Wolverine Exploration Company | Houston, TX 77002 | Oil & Gas Operator | May 2019 |
Production numbers shown above are only for Dimmit County, TX and for the production period listed.