| 1 | W&S Energy LLC | Woodward, OK 73801 | Oil & Gas Operator | Sep 2022 |
| 2 | W.W.R. Holding, LLC | Coleman, TX 76834 | Oil & Gas Operator | Mar 2008 |
| 3 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Oct 2025 |
| 4 | Walsh Resources, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Oct 2025 |
| 5 | Warren Producers Inc | Bowling Green, KY 42102 | Oil & Gas Operator | Dec 2017 |
| 6 | Watco Energy, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Apr 1996 |
| 7 | Waters Petroleum | Albany, TX 76430 | Oil & Gas Operator | Aug 2016 |
| 8 | Wayland Drilling & Explr., Inc. | Grapevine, TX 76099 | Oil & Gas Operator | Apr 2006 |
| 9 | Weaver Global Operating, LLC | Colleyville, TX 76034 | Oil Operator | Oct 2025 |
| 10 | Wellington Securities, Inc. | Plano, TX 75093 | Gas Operator | Jul 2014 |
| 11 | Wes-Tex Drilling Company | Abilene, TX 79604 | Oil & Gas Operator | Jan 2000 |
| 12 | West Inland Energy, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Oct 2025 |
| 13 | West,Gordon T.Jr. & Rugeley,Stan | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2019 |
| 14 | Western Reserves Corporation | Abilene, TX 79608 | Oil & Gas Operator | Jan 2008 |
| 15 | Western Sky Oil & Gas | Abilene, TX 79604 | Oil & Gas Operator | Aug 2003 |
| 16 | Westico Energy Co. | Abilene, TX 79605 | Oil & Gas Operator | Nov 2004 |
| 17 | Westlake Energy Consultants Corp | Thousand Oaks, CA 91362 | Oil & Gas Operator | Aug 2003 |
| 18 | Westwood Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | May 2013 |
| 19 | White, Frank | Abilene, TX 79604 | Oil & Gas Operator | Oct 2025 |
| 20 | White, Oscar | Tuscola, TX 79562 | Oil & Gas Operator | Oct 2025 |
| 21 | Whitehall Operating Inc. | Houston, TX 77040 | Oil & Gas Operator | Nov 1994 |
| 22 | Whiteside, H. W. | Abilene, TX 79604 | Oil & Gas Operator | Nov 1998 |
| 23 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 24 | Whitt Oil & Gas, Inc. | Albany, TX 76430 | Oil & Gas Operator | Oct 2025 |
| 25 | Wilbanks, Bruce A. | Midland, TX 79701 | Oil & Gas Operator | Aug 1996 |
| 26 | Wilbanks, Bruce A. Company | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 27 | Wilcox Oil Company | Rule, TX 79547 | Oil & Gas Operator | Aug 2008 |
| 28 | Wilcox Petroleum Operating LLC. | Rule, TX 79547 | Oil & Gas Operator | Oct 2025 |
| 29 | Willow Creek Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2009 |
| 30 | Winchester Energy, LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 31 | Winco Oil Inc. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 32 | Windham Resources | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 33 | Windham Resources, Inc. | Tuscola, TX 79562 | Oil & Gas Operator | Feb 2004 |
| 34 | Window Operating Co., The | Coleman, TX 76834 | Oil & Gas Operator | Oct 2025 |
| 35 | Woodbine Petroleum, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Aug 2003 |