| 1 | W & W Production, LLC | Wichita Falls, TX 76308 | Oil Operator | Dec 2024 |
| 2 | W.T. Waggoner Estate, Inc. | Vernon, TX 76385 | Oil Operator | Dec 2024 |
| 3 | Waco Production Co. | Archer City, TX 76351 | Oil & Gas Operator | Sep 1993 |
| 4 | Wade, Jim | Olney, TX 76374 | Oil & Gas Operator | Dec 2024 |
| 5 | Waggoner, W. T., Estate | Vernon, TX 76385 | Oil & Gas Operator | Feb 2018 |
| 6 | Walker Operating (I) | Wichita Falls, TX 76308 | Oil Operator | Dec 2024 |
| 7 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Dec 2024 |
| 8 | Walter Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | May 2009 |
| 9 | Walton Producing Company | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2005 |
| 10 | Walton, W. W. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 1994 |
| 11 | Watson Energy Investments, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2024 |
| 12 | Well Recycling Company | Olney, TX 76374 | Oil Operator | Aug 2005 |
| 13 | Wells Oilfield Services, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
| 14 | Wes-Mor Drilling, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
| 15 | Western Chief Oil & Gas Company | Graham, TX 76450 | Oil & Gas Operator | Jul 2009 |
| 16 | Westridge Oil & Gas Properties | Mineral Wells, TX 76068 | Oil & Gas Operator | Dec 2024 |
| 17 | Weststar Oil & Gas Inc | Edmond, OK 73013 | Oil & Gas Operator | Oct 2024 |
| 18 | WFW Production Company, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Dec 2024 |
| 19 | Whitaker, Jerry | Sunset, TX 76270 | Oil & Gas Operator | May 2022 |
| 20 | White Knight Production LLC | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2024 |
| 21 | Whitehead Prod. Co., Inc. | Humble, TX 77338 | Oil & Gas Operator | Oct 2024 |
| 22 | Whitfield Energy | Midland, TX 79702 | Oil & Gas Operator | Jan 1999 |
| 23 | Wilcox Energy Company LLC | Rule, TX 79547 | Oil & Gas Operator | Dec 2024 |
| 24 | Wilcox Oil Company | Rule, TX 79547 | Oil & Gas Operator | Aug 2008 |
| 25 | Williams, A. Oil | Wichita Falls, TX 76308 | Oil Operator | Dec 2024 |
| 26 | Willowbend Investments, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2024 |
| 27 | Wilson Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Dec 2024 |
| 28 | Wilton, Frank | Graham, TX 76450 | Oil & Gas Operator | Oct 2016 |
| 29 | Winfrey Oil Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2016 |
| 30 | Wise Production Company | Bowie, TX 76230 | Oil & Gas Operator | Dec 2024 |
| 31 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
| 32 | Witherspoon Oil Co | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2024 |
| 33 | Wolf, Gene | Windthorst, TX 76389 | Oil & Gas Operator | Apr 2003 |
| 34 | Wolf, Gene L.L.C. | Windthorst, TX 76389 | Oil & Gas Operator | Dec 2024 |
| 35 | Wolfson, I. J. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2002 |
| 36 | Wolsey Oil Inc. | Bowie, TX 76230 | Oil & Gas Operator | Oct 2013 |
| 37 | Woods, W.A. Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Dec 1993 |
| 38 | Wortham Operating, LLC | Holliday, TX 76366 | Oil & Gas Operator | Apr 2023 |
| 39 | Wortham, E. H. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 40 | Wortham, J. R. | Wichita Falls, TX 76310 | Oil & Gas Operator | Aug 2023 |