| 1 | W & W Production, LLC | Wichita Falls, TX 76308 | Oil Operator | Jul 2025 |
| 2 | W T X Capital Investments, LLC | Wichita Falls, TX 76308 | Oil Operator | Jul 2025 |
| 3 | W.T. Waggoner Estate, Inc. | Vernon, TX 76385 | Oil Operator | Jul 2025 |
| 4 | Waggoner Operating, L.L.C. | Vernon, TX 76385 | Oil Operator | Jul 2025 |
| 5 | Waggoner, Ralph E. | Windthorst, TX 76389 | Oil & Gas Operator | Dec 2010 |
| 6 | Waggoner, W. T., Estate | Vernon, TX 76385 | Oil & Gas Operator | Feb 2018 |
| 7 | Wagman, Brent A. | Dallas, TX 75202 | Oil & Gas Operator | Jul 2025 |
| 8 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Jul 2025 |
| 9 | Well Recycling Company | Olney, TX 76374 | Oil Operator | Aug 2005 |
| 10 | Wells Oilfield Services, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 11 | West Co., The | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2016 |
| 12 | West Oil Resources, LLC | Liberty Hill, TX 78642 | Oil & Gas Operator | Jul 2025 |
| 13 | Western Chief Oil & Gas Company | Graham, TX 76450 | Oil & Gas Operator | Jul 2009 |
| 14 | Western Petroleum Resources, Inc | Dallas, TX 75219 | Oil & Gas Operator | May 2021 |
| 15 | WG Oil, LLC | Wichita Falls, TX 76308 | Oil Operator | Jul 2025 |
| 16 | WG Operating, Inc. | Tulsa, OK 74153 | Oil & Gas Operator | May 2012 |
| 17 | Whitaker, Jerry | Sunset, TX 76270 | Oil & Gas Operator | May 2022 |
| 18 | White Knight Production LLC | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2024 |
| 19 | Williams Petroleum Company, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2025 |
| 20 | Willo Oil & Gas Exploration, LLC | Boerne, TX 78006 | Oil & Gas Operator | Jul 2020 |
| 21 | Willowbend Investments, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2025 |
| 22 | Wilson Petroleum Co. | Springfield, MO 65803 | Oil & Gas Operator | Jul 2025 |
| 23 | Wilson-Shab Corp. | Electra, TX 76360 | Oil & Gas Operator | Jul 2025 |
| 24 | Winchester Exploration, Inc. | Arlington, TX 76013 | Oil & Gas Operator | Aug 2003 |
| 25 | Winfrey Oil Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2016 |
| 26 | Wolfson, I. J. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2002 |
| 27 | Woods Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2025 |
| 28 | Woods, W.A. Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Dec 1993 |
| 29 | Wortham Operating, LLC | Holliday, TX 76366 | Oil & Gas Operator | Apr 2023 |
| 30 | Wortham, E. H. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 31 | Wortham, J. R. | Wichita Falls, TX 76310 | Oil & Gas Operator | Aug 2023 |
| 32 | Wortham, Michael R. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 33 | Wright Operating, Inc. | Denison, TX 75020 | Oil & Gas Operator | Jul 2025 |