| 701 | Trey Services, Inc. | Midland, TX 79711 | Oil & Gas Operator | Dec 1996 |
| 702 | Triad Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Oct 2011 |
| 703 | Triag Energy Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 704 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 705 | Tripp & Sons, LLC | Odessa, TX 79768 | Oil & Gas Operator | Apr 2025 |
| 706 | Tumbleweed Energy Limited | Midland, TX 79704 | Oil & Gas Operator | Dec 2022 |
| 707 | Turrentine Oil & Gas, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Oct 2019 |
| 708 | TX Heat Of The Permian Basin Inc | Odessa, TX 79768 | Oil & Gas Operator | Dec 2021 |
| 709 | Uhc Petroleum Corporation | Rocksprings, TX 78880 | Oil & Gas Operator | Apr 2025 |
| 710 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 711 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
| 712 | United Energy Trading LLC | Tulsa, OK 74133 | Oil & Gas Operator | Jan 2025 |
| 713 | United Operating, LLC *** | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 714 | Unitex Oil & Gas, L.L.C. | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 715 | Universal Resources Corp. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jan 2000 |
| 716 | V-F Petroleum Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 717 | Vanguard Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Feb 2021 |
| 718 | Vanguard Permian LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
| 719 | Vaquero Hunter Inc. | Andrews, TX 79714 | Oil & Gas Operator | Sep 2023 |
| 720 | Vaquero Operating | FT Stockton, TX 79735 | Oil & Gas Operator | Apr 2025 |
| 721 | Vaquero Permian, LLC | Andrews, TX 79714 | Oil & Gas Operator | Mar 2024 |
| 722 | Venus Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2002 |
| 723 | Viking Energy Corporation | Odessa, TX 79760 | Oil & Gas Operator | Dec 2021 |
| 724 | Viola Prod., Inc. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2025 |
| 725 | Vision Natural Resources, LP | Midland, TX 79708 | Oil & Gas Operator | Apr 2025 |
| 726 | Vision Stone Petroleum, LLC | Dallas, TX 75240 | Oil & Gas Operator | Apr 2025 |
| 727 | Vista Petroleum Corp | Houston, TX 77277 | Oil & Gas Operator | Dec 1996 |
| 728 | W & W Oil & Gas LLC | Wynona, OK 74084 | Oil Operator | Jan 2025 |
| 729 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Apr 2025 |
| 730 | Warrior Exploration LLC | Sapulpa, OK 74067-1912 | Oil & Gas Operator | Dec 2024 |
| 731 | Warwick Associates LC | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2025 |
| 732 | Westerly Exploration, Inc. | Houston, TX 77256 | Oil & Gas Operator | Apr 2025 |
| 733 | Westland Oil Development Corp. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 734 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
| 735 | WGR, Inc. | Houston, TX 77046 | Gas Operator | Jul 2007 |
| 736 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Apr 2025 |
| 737 | White Wing Petroleum Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2012 |
| 738 | White, Cecil | Monahans, TX 79756 | Oil & Gas Operator | Mar 2017 |
| 739 | Whitfield Energy | Midland, TX 79702 | Oil & Gas Operator | Jan 1999 |
| 740 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 741 | Williams, Clayton Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | Apr 2025 |
| 742 | Williams-Cody, Inc. | Houston, TX 77060 | Oil & Gas Operator | May 1994 |
| 743 | Wind River Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 744 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 745 | Windsor Permian LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2012 |
| 746 | WJC, Inc. | Post, TX 79356 | Oil & Gas Operator | Apr 2025 |
| 747 | Xeric Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Jul 1997 |
| 748 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 749 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 750 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2025 |
| 751 | Yarborough Oil & Gas L.P. | Midland, TX 79701 | Oil & Gas Operator | Oct 2000 |
| 752 | Yates Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 753 | Yucca Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 754 | Zarvona Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |