| 1 | Wade Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Mar 2025 |
| 2 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Mar 2025 |
| 3 | Walter Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | May 2009 |
| 4 | Walton Producing Company | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2005 |
| 5 | Walton Producing Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Mar 2025 |
| 6 | Walton, W. W. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 1994 |
| 7 | Wapiti Operating, LLC | Houston, TX 77043 | Oil & Gas Operator | Mar 2025 |
| 8 | Wells Oilfield Services, Inc. | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
| 9 | Wes-Mor Drilling, Inc. | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
| 10 | Wes-Tex Drilling Company | Abilene, TX 79604 | Oil & Gas Operator | Jan 2000 |
| 11 | West Inland Energy, Inc. | N Richlnd HLS, TX 76182 | Oil & Gas Operator | Mar 2025 |
| 12 | West,Gordon T.Jr. & Rugeley,Stan | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2019 |
| 13 | Western Reserves Corporation | Abilene, TX 79608 | Oil & Gas Operator | Jan 2008 |
| 14 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
| 15 | Westwood Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | May 2013 |
| 16 | Wheat, Buck Resources, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Dec 2009 |
| 17 | White, Jack Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Mar 2025 |
| 18 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 19 | Whitt Oil & Gas, Inc. | Albany, TX 76430 | Oil & Gas Operator | Mar 2025 |
| 20 | Whitt, W. J. | Albany, TX 76430 | Oil & Gas Operator | Nov 1996 |
| 21 | Whittington, James C., Inc. | Dallas, TX 75214 | Oil & Gas Operator | Jan 2017 |
| 22 | Wilbanks, Bruce A. | Midland, TX 79701 | Oil & Gas Operator | Aug 1996 |
| 23 | Wilbrook Exploration, Inc. | Lingleville, TX 76461 | Oil & Gas Operator | Aug 2003 |
| 24 | Wilchar, DR. R. B. | Fort Worth, TX 76185 | Oil & Gas Operator | Jan 2007 |
| 25 | Willis Operating Co. | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
| 26 | Wilson, Jerry L. | Ranger, TX 76470 | Oil & Gas Operator | Mar 2025 |
| 27 | Wimberley Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2013 |
| 28 | Winchester Exploration, Inc. | Arlington, TX 76013 | Oil & Gas Operator | Aug 2003 |
| 29 | Winn Exploration Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2025 |
| 30 | Winn Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2025 |
| 31 | Wylie, Fred, Jr. | Moran, TX 76464 | Oil & Gas Operator | Oct 2022 |