| 801 | Vinson Exploration, Inc. | Midland, TX 79701 | Gas Operator | Dec 2020 |
| 802 | Vinson Operating Company | Midland, TX 79706 | Oil & Gas Operator | Dec 1999 |
| 803 | Vintage Petroleum, Inc. | Houston, TX 77046 | Oil & Gas Operator | Jan 2024 |
| 804 | Vintage Petroleum, LLC | Houston, TX 77210 | Oil & Gas Operator | Jan 2024 |
| 805 | Viola Prod., Inc. | Dallas, TX 75251 | Oil & Gas Operator | May 2024 |
| 806 | Vista Resources, Inc. (A) | Midland, TX 79701 | Oil & Gas Operator | Feb 2000 |
| 807 | VRK Oil And Gas, Inc. | Arlington, TX 76016 | Oil & Gas Operator | Mar 2014 |
| 808 | W & W Properties | Westbrook, TX 79565 | Oil & Gas Operator | Aug 2018 |
| 809 | Wagner & Brown, LTD. | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 810 | Wagner, Duer & Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1999 |
| 811 | Wallen Production Co. | Midland, TX 79702 | Oil & Gas Operator | Aug 1996 |
| 812 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | May 2024 |
| 813 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
| 814 | Warren American Oil Co | Tulsa, OK 74147 | Oil & Gas Operator | Mar 2024 |
| 815 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | May 2024 |
| 816 | Way, Ralph L., Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2024 |
| 817 | WCWB Energy, LLC | Midland, TX 79701 | Oil Operator | Sep 2015 |
| 818 | West Texas Oil And Gas Oper.,Inc | Houston, TX 77046 | Oil & Gas Operator | May 2024 |
| 819 | Westar Energy, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2008 |
| 820 | Westco Oil Company | Ozona, TX 76943 | Oil & Gas Operator | May 2024 |
| 821 | Western Natural Gas Company | Shelby, MT 59474 | Oil & Gas Operator | Jan 2024 |
| 822 | Western Reserves Oil Co Inc | Midland, TX 79705 | Oil & Gas Operator | Oct 2020 |
| 823 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
| 824 | Weststar Oil & Gas Inc | Edmond, OK 73013 | Oil & Gas Operator | Feb 2024 |
| 825 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
| 826 | Wilbanks, Bruce A. Company | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
| 827 | Williams, Clayton Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | May 2024 |
| 828 | Willo Oil & Gas Exploration, LLC | Boerne, TX 78006 | Oil & Gas Operator | Jul 2020 |
| 829 | Wilson, W. Corp. | Midland, TX 79705 | Oil & Gas Operator | Mar 1999 |
| 830 | Winchester Production Company | Shreveport, LA 71129 | Oil & Gas Operator | Nov 2008 |
| 831 | Winfrey Oil Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2016 |
| 832 | Winn Exploration Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | May 2024 |
| 833 | WJC, Inc. | Post, TX 79356 | Oil & Gas Operator | May 2024 |
| 834 | Wolfcamp Energy, LLC | Plano, TX 75024 | Gas Operator | May 2024 |
| 835 | Wood, McShane & Thams | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 836 | Woodard Energy Company | Houston, TX 77042 | Oil & Gas Operator | Mar 2010 |
| 837 | WTG Exploration | Midland, TX 79705 | Oil & Gas Operator | May 2024 |
| 838 | WTG Exploration Inc | Midland, TX 79705 | Oil & Gas Operator | Dec 2023 |
| 839 | Wynco Energy, Inc. | Spring, TX 77393 | Oil & Gas Operator | May 2024 |
| 840 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 841 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
| 842 | Xplor Energy Operating Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 2012 |
| 843 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | May 2024 |
| 844 | Yates Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 845 | Young, Marshall R., Oil Co. | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |
| 846 | Yucca Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
| 847 | Zachry Oil And Gas Properties | Midland, TX 79708 | Oil & Gas Operator | May 2024 |
| 848 | Zarvona Energy LLC | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
| 849 | Zephyr Lone Star Oper Co.,L.L.C. | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2024 |