| 1 | Wagman Petroleum, Inc. | Dallas, TX 75202 | Oil & Gas Operator | Oct 2025 |
| 2 | Wagman, Brent A. | Dallas, TX 75202 | Oil & Gas Operator | Oct 2025 |
| 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 | Wells Oilfield Services, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 8 | Wellstar Corporation | Northglenn, CO 80233 | Oil & Gas Operator | Aug 2025 |
| 9 | Wes-Tex Drilling Company | Abilene, TX 79604 | Oil & Gas Operator | Jan 2000 |
| 10 | Western Pride Resources, Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Jan 2011 |
| 11 | Western Sky Oil & Gas | Abilene, TX 79604 | Oil & Gas Operator | Aug 2003 |
| 12 | Westico Energy Co. | Abilene, TX 79605 | Oil & Gas Operator | Nov 2004 |
| 13 | Westwood Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | May 2013 |
| 14 | WG Operating, Inc. | Tulsa, OK 74153 | Oil & Gas Operator | May 2012 |
| 15 | White, Frank | Abilene, TX 79604 | Oil & Gas Operator | Oct 2025 |
| 16 | Whiteside, H. W. | Abilene, TX 79604 | Oil & Gas Operator | Nov 1998 |
| 17 | Wilbanks, Bruce A. Company | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 18 | Willowbend Investments, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 19 | Wilson, WM. B. Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 1996 |
| 20 | Winchester Energy Operating Co. | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 |
| 21 | Winchester Production Co., LTD. | Shreveport, LA 71129 | Oil & Gas Operator | Sep 2008 |
| 22 | Windham Resources | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 23 | Windham Resources, Inc. | Tuscola, TX 79562 | Oil & Gas Operator | Feb 2004 |
| 24 | Window Operating Co., The | Coleman, TX 76834 | Oil & Gas Operator | Oct 2025 |
| 25 | Wishbone Texas Operating Co LLC | Houston, TX 77064 | Oil & Gas Operator | Jul 2019 |
| 26 | WJC, Inc. | Post, TX 79356 | Oil & Gas Operator | Oct 2025 |
| 27 | Wolcott, Ed Operating | Dallas, TX 75205 | Oil & Gas Operator | Oct 2000 |
| 28 | Woodbine Petroleum, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Aug 2003 |
| 29 | Woodygreen Resources, LLC | Plano, TX 75093 | Oil & Gas Operator | Oct 2025 |
| 30 | Woodygreen Resources, LP | Abilene, TX 79608 | Oil & Gas Operator | Mar 2012 |
| 31 | World Producers, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 1994 |