| 4801 | Vista Investments | | Gas Operator | Nov 1998 |
| 4802 | Vista Resources LLC | Teague, TX 75860 | Oil & Gas Operator | Sep 2026 |
| 4803 | Vistatex Energy LLC | Houston, TX 77057 | Oil & Gas Operator | Jul 2026 |
| 4804 | Vitol Resources Inc. Of Delaware | | Oil & Gas Operator | Jul 2016 |
| 4805 | Vivian Oil Partners, LLC | | Oil Operator | Jan 2025 |
| 4806 | Volvo Petroleum, Inc. | | Oil & Gas Operator | Jul 1984 |
| 4807 | Vonco Of Mississippi, Inc. | | Oil Operator | Dec 2025 |
| 4808 | Voyager Energy, LLC | | Oil & Gas Operator | Dec 2010 |
| 4809 | Vtex Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Sep 2026 |
| 4810 | W & C Oil & Gas | | Oil Operator | Feb 1996 |
| 4811 | W & K Oil Co. | | Oil & Gas Operator | Jun 1989 |
| 4812 | W & L Oil Co. | | Oil Operator | Aug 1995 |
| 4813 | W & T Oil Properties, Inc. | | Oil & Gas Operator | Nov 1989 |
| 4814 | W A Moncrief Jr | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2026 |
| 4815 | W B Powers Production Serv. | | Oil Operator | Feb 1991 |
| 4816 | W D L Enterprises, Inc | | Oil & Gas Operator | Apr 1983 |
| 4817 | W M Smith | | Oil Operator | Jun 1989 |
| 4818 | W&S Energy LLC | Woodward, OK 73801 | Oil & Gas Operator | Sep 2022 |
| 4819 | W&T Offshore, Inc. | Houston, TX 77057 | Oil & Gas Operator | Sep 2026 |
| 4820 | W&W Oil Co | Denver City, TX 79323 | Oil Operator | Jun 2002 |
| 4821 | W. A. Moncrief | | Oil & Gas Operator | Jun 2010 |
| 4822 | W. A. Parker | | Oil & Gas Operator | Jan 1981 |
| 4823 | W. A. Stanberry | | Oil & Gas Operator | Nov 1988 |
| 4824 | W. B. Inabnet | | Gas Operator | Oct 1985 |
| 4825 | W. B. Jayred | | Oil & Gas Operator | Aug 1982 |
| 4826 | W. B. McCarter, Jr., Inc. | | Oil & Gas Operator | Dec 1995 |
| 4827 | W. C. Allen | | Oil & Gas Operator | Dec 2024 |
| 4828 | W. C. Emmons | | Oil Operator | Jan 2025 |
| 4829 | W. D. Roberson | | Gas Operator | Mar 2021 |
| 4830 | W. D. Tarver | | Oil Operator | Aug 2005 |
| 4831 | W. E. O'Malley Inc. | | Oil & Gas Operator | Jun 1991 |
| 4832 | W. E. Orr | | Oil & Gas Operator | Dec 2024 |
| 4833 | W. G. Darsey, III | | Oil & Gas Operator | Nov 1981 |
| 4834 | W. H. Beene | | Oil & Gas Operator | Jan 2025 |
| 4835 | W. H. Hunt | | Oil & Gas Operator | Jan 1984 |
| 4836 | W. H. Hunt, Et Al | | Oil & Gas Operator | Jul 1990 |
| 4837 | W. Harlan Beene | | Oil Operator | Jan 2025 |
| 4838 | W. Harlan Beene Et Al | | Oil Operator | Dec 2002 |
| 4839 | W. J. Wegman, Jr. | | Gas Operator | Dec 1991 |
| 4840 | W. L. Estis | | Oil & Gas Operator | Dec 1999 |
| 4841 | W. L. Puls & T. D. Rush | | Oil & Gas Operator | Dec 1980 |
| 4842 | W. L. Rambo | | Oil Operator | Apr 1981 |
| 4843 | W. L. Rambo, Inc. | | Oil & Gas Operator | Aug 1985 |
| 4844 | W. M. Inabnet Agent | | Gas Operator | Oct 1985 |
| 4845 | W. M. Morgan | | Oil Operator | Jan 1985 |
| 4846 | W. R. Jennings, Jr. | | Oil Operator | Aug 2003 |
| 4847 | W. S. Hale Petroleum | | Oil & Gas Operator | Jul 2015 |
| 4848 | W. S. Hale Petroleum, L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 4849 | W. T. Waggoner Estate | | Oil & Gas Operator | Dec 1995 |
| 4850 | W. Trich & Hallwell, Inc. | | Oil & Gas Operator | Oct 1988 |
| 4851 | W. W. F. Oil Corporation | | Oil & Gas Operator | Dec 1999 |
| 4852 | W. W. Melton | | Oil Operator | Sep 1983 |
| 4853 | W.D. Oil Company | Pampa, TX 79066 | Oil & Gas Operator | Oct 2001 |
| 4854 | Wacker Oil Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
| 4855 | Wagner & Brown | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 4856 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2026 |
| 4857 | Wagon Wheel Arklatex, LLC | | Oil & Gas Operator | May 2018 |
| 4858 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
| 4859 | Walker Energy, LLC | | Oil & Gas Operator | Nov 2024 |
| 4860 | Walker La. Properties | | Oil & Gas Operator | Oct 1990 |
| 4861 | Walker Management Company | | Oil & Gas Operator | Apr 1988 |
| 4862 | Walker-Wilson | | Oil & Gas Operator | Jul 1999 |
| 4863 | Wallace D. Putman, Jr. | | Oil Operator | Jan 2025 |
| 4864 | Wallace Operating Company | | Oil & Gas Operator | Sep 1986 |
| 4865 | Waller Brothers Inc | | Oil & Gas Operator | Jul 2004 |
| 4866 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Sep 2026 |
| 4867 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2026 |
| 4868 | Walter T. Lanaux | | Oil & Gas Operator | Nov 1990 |
| 4869 | Walter W. Heard, Jr. | | Oil & Gas Operator | Dec 1995 |
| 4870 | Walters Production | | Oil Operator | Mar 2005 |
| 4871 | Wapiti Operating, LLC | Houston, TX 77043 | Oil & Gas Operator | Sep 2026 |
| 4872 | Warhorse Oil & Gas, LLC | | Oil & Gas Operator | Dec 2018 |
| 4873 | Warwick Oil & Gas, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 1993 |
| 4874 | Warwick Oil Corp. | | Oil & Gas Operator | Mar 1990 |
| 4875 | Watchtower Petroleum LLC | | Oil & Gas Operator | Jun 2025 |
| 4876 | Watson Energy, L.L.C. | | Oil & Gas Operator | Jun 2005 |
| 4877 | Watson Oil & Gas Corp. | | Oil Operator | Aug 1994 |
| 4878 | Watson Oil Corporation | | Oil & Gas Operator | Jun 1981 |
| 4879 | Watts And Hill Oil Company | | Oil Operator | Sep 1995 |
| 4880 | Wayman W. Buchanan | | Oil & Gas Operator | Feb 1986 |
| 4881 | Wayne J. Spears | | Oil & Gas Operator | Sep 2005 |
| 4882 | WCC Energy Group LLC | | Oil & Gas Operator | Dec 2024 |
| 4883 | Weatherly Oil & Gas, LLC | Dallas, TX 75206 | Oil & Gas Operator | Sep 2026 |
| 4884 | Weathersby Oil Co. | | Oil Operator | Oct 2001 |
| 4885 | Weaver Bros | | Oil Operator | Nov 1987 |
| 4886 | Weaver Expl & Brock Pet Corp | | Oil & Gas Operator | Apr 1983 |
| 4887 | Weaver Exploration Company | | Oil & Gas Operator | Jun 1991 |
| 4888 | Weaver Oil & Gas Corporation | | Oil & Gas Operator | Dec 1984 |
| 4889 | Webster Energy, Inc. | | Oil & Gas Operator | Jan 1999 |
| 4890 | Wedco Resources Corporation | | Oil & Gas Operator | Jul 1989 |
| 4891 | Weeks Exploration Company | Houston, TX 77063 | Oil & Gas Operator | Aug 1995 |
| 4892 | Weiser-Brown Operating Company | Magnolia, AR 71754 | Oil & Gas Operator | Sep 2026 |
| 4893 | Wells-Battelstein O&G, Inc. | | Gas Operator | Dec 1986 |
| 4894 | Wenert Trich | | Oil & Gas Operator | Oct 1988 |
| 4895 | Wes-Tex Drilling Company | Abilene, TX 79604 | Oil & Gas Operator | Jan 2000 |
| 4896 | Wesla Oil & Gas Co., Inc. | | Oil & Gas Operator | Jun 2001 |
| 4897 | Wessely Energy Company | Dallas, TX 75206 | Oil & Gas Operator | May 2001 |
| 4898 | Wessely Energy Corporation | | Oil & Gas Operator | Feb 1989 |
| 4899 | West Delta Oil Co. | | Oil & Gas Operator | Jul 2000 |
| 4900 | Westall Oil & Gas Co. | | Oil & Gas Operator | May 1982 |