| 12001 | Vanek, R. J. | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 2026 |
| 12002 | Vanguard Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Aug 2019 |
| 12003 | Vanguard Permian, LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
| 12004 | Vanguard Production Company | Lubbock, TX 79410 | Oil & Gas Operator | Feb 2026 |
| 12005 | Vann Energy, Inc. | Benbrook, TX 76126 | Oil & Gas Operator | Dec 1995 |
| 12006 | Vannatter, Louis E. | Medina, TX 78055 | Oil & Gas Operator | Dec 1996 |
| 12007 | Vantage Fort Worth Energy LLC | Pittsburgh, PA 15222 | Oil & Gas Operator | Feb 2026 |
| 12008 | Vantage Operating II, LLC | San Antonio, TX 78230 | Oil & Gas Operator | Feb 2026 |
| 12009 | Vantage Operating, LLC | San Antonio, TX 78230 | Oil & Gas Operator | Feb 2026 |
| 12010 | Vantage Point Operating Co. | Houston, TX 77057 | Oil & Gas Operator | Dec 2014 |
| 12011 | Vanya Oil & Gas, Inc. | Hardin, TX 77561 | Oil & Gas Operator | Feb 2026 |
| 12012 | Vaquero Gas Company,Incorporated | Houston, TX 77002 | Oil & Gas Operator | Jun 1993 |
| 12013 | Vaquero Oil & Gas, Inc. | League City, TX 77573 | Oil & Gas Operator | Aug 2008 |
| 12014 | Vaquero Operating | FT Stockton, TX 79735 | Oil & Gas Operator | Feb 2026 |
| 12015 | Vaquillas Operating, Inc. | Laredo, TX 78041 | Oil & Gas Operator | Dec 2002 |
| 12016 | Varas Energy Operating Company, LLC | Houston, TX 77005 | Oil & Gas Operator | Feb 2026 |
| 12017 | Vargas Energy, LTD. | Fort Worth, TX 76109 | Gas Operator | Feb 2026 |
| 12018 | Vargas Oil & Gas | San Antonio, TX 78240 | Oil Operator | Feb 2026 |
| 12019 | Vast Oil TX Operating LLC | Fullerton, CA 92832 | Oil & Gas Operator | Feb 2026 |
| 12020 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Sep 2025 |
| 12021 | Vaughan Operating Company, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2009 |
| 12022 | Vaughan Production Company, Inc. | Norman, OK 73072 | Oil & Gas Operator | Sep 2014 |
| 12023 | Vaughn Petroleum, Inc. | Dallas, TX 75219 | Oil & Gas Operator | May 2004 |
| 12024 | Vec Operating, LLC | Henderson, TX 75654 | Oil & Gas Operator | Feb 2026 |
| 12025 | Vecta Oil & Gas LTD | Dallas, TX 75235 | Oil & Gas Operator | Oct 2025 |
| 12026 | Vector Energy Corporation | Houston, TX 77060 | Oil & Gas Operator | Feb 2026 |
| 12027 | Vector Exploration Inc | Oklahoma City, OK 73142-4430 | Oil & Gas Operator | Dec 2018 |
| 12028 | Vector Oil & Gas LP | Midland, TX 79701 | Oil & Gas Operator | Sep 2014 |
| 12029 | Vega Energy Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2015 |
| 12030 | Vega Exploration, Inc. | Neenah, WI 54956 | Gas Operator | Jun 2021 |
| 12031 | Vega Operating Company | Eaton, CO 80615 | Oil & Gas Operator | Feb 2026 |
| 12032 | Veitenheimer Oil Co. | Windthorst, TX 76389 | Oil Operator | Feb 2026 |
| 12033 | Venado Oil & Gas, LLC | Austin, TX 78738 | Oil & Gas Operator | Oct 2016 |
| 12034 | Venado Operating Company LLC | Austin, TX 78738 | Oil & Gas Operator | Mar 2022 |
| 12035 | Venado Petroleum Corporation | Dallas, TX 75231 | Oil & Gas Operator | May 2012 |
| 12036 | Vencer Energy, LLC | Abilene, TX 79602 | Oil & Gas Operator | Dec 2023 |
| 12037 | Veneto Exploration, LLC | Richardson, TX 75083 | Oil & Gas Operator | Feb 2026 |
| 12038 | Venoco, Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 12039 | Ventex Operating Corp. | Addison, TX 75001 | Oil & Gas Operator | Feb 2026 |
| 12040 | Ventum Oil And Gas, LP | Northbrook, IL 60062 | Oil & Gas Operator | Mar 2010 |
| 12041 | Ventura Oil & Gas Company | San Antonio, TX 78205 | Oil & Gas Operator | Mar 2002 |
| 12042 | Venture 9 | Sourlake, TX 77659 | Oil & Gas Operator | Aug 2003 |
| 12043 | Venture Production Service Inc. | Millersview, TX 76862 | Oil & Gas Operator | Feb 2026 |
| 12044 | Venus Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2013 |
| 12045 | Venus Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2002 |
| 12046 | Veracity Energy LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Aug 2023 |
| 12047 | Verado Energy, Inc. | Allen, TX 75013 | Oil & Gas Operator | Oct 2025 |
| 12048 | Verdad Oil & Gas Corporation | Dallas, TX 75235 | Oil & Gas Operator | Feb 2026 |
| 12049 | Verdugo-Pablo Energy, LLC | Amarillo, TX 79105 | Oil & Gas Operator | Nov 2024 |
| 12050 | Verdun Oil & Gas LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2026 |
| 12051 | Verdun Oil Ef II LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2026 |
| 12052 | Veritas Energy LLC | San Antonio, TX 78231 | Oil & Gas Operator | Feb 2026 |
| 12053 | Vermilion Resources, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2009 |
| 12054 | Vermillion Production, Inc. | Pearsall, TX 78061 | Oil & Gas Operator | Feb 2026 |
| 12055 | Vernor, Milburn | Uvalde, TX 78801 | Oil & Gas Operator | Aug 2008 |
| 12056 | Vertox LLC | Southlake, TX 76092 | Oil Operator | May 2025 |
| 12057 | Verus Energy, Inc | Houston, TX 77098 | Oil & Gas Operator | Sep 2004 |
| 12058 | Vess Oil Corporation | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 12059 | Vestal, L. D. Oil Company | Fort Worth, TX 76132 | Oil & Gas Operator | Feb 2026 |
| 12060 | Vestal, W. D., Oil Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 1998 |
| 12061 | Vestige Energy, LLC | Alvin, TX 77511 | Oil & Gas Operator | Feb 2026 |
| 12062 | Veteran Exploration & Prod, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 12063 | Via Oil Company | Spring, TX 77388 | Oil & Gas Operator | Feb 2026 |
| 12064 | Via, James R. | Talco, TX 75487 | Oil & Gas Operator | Feb 2026 |
| 12065 | Viathon Hydrocarbons, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Oct 2020 |
| 12066 | Vicars Oil & Gas Corporation | Bowie, TX 76230 | Gas Operator | Jul 2010 |
| 12067 | Viceroy Petroleum GP, LLC | Rockdale, TX 76567 | Oil & Gas Operator | Feb 2010 |
| 12068 | Viceroy Petroleum, LP | College Sta, TX 77845 | Oil & Gas Operator | Feb 2026 |
| 12069 | Vickers Production Comp L.L.C. | Sonora, TX 76950 | Gas Operator | Feb 2026 |
| 12070 | Victoria Operating, Inc. | Victoria, TX 77903 | Oil & Gas Operator | Feb 2026 |
| 12071 | Victorian Oil & Gas | Monahans, TX 79756 | Oil Operator | Feb 2026 |
| 12072 | Victory Eagle Utility SV Y, Inc. | Newark, TX 76071 | Gas Operator | Feb 2026 |
| 12073 | Victory Oil & Gas Inc | Gun Barrel Cy, TX 75156 | Oil & Gas Operator | Feb 2026 |
| 12074 | Vidonia Oil LLC | Plymouth MTNG, PA 19462 | Oil Operator | Feb 2026 |
| 12075 | Viejo Oil & Gas, LLC | Post, TX 79356 | Oil Operator | Feb 2026 |
| 12076 | Viejo Services, LLC | Boyd, TX 76023 | Oil & Gas Operator | Feb 2026 |
| 12077 | Viesca Gas Co. | Spring, TX 77379 | Oil & Gas Operator | Feb 2026 |
| 12078 | Viking Energy Corporation | Odessa, TX 79760 | Oil & Gas Operator | Dec 2021 |
| 12079 | Viking Resources, Inc. | Stafford, TX 77477 | Oil & Gas Operator | Feb 2026 |
| 12080 | Viking Ventures, LLC | Garland, TX 75044 | Oil & Gas Operator | Mar 2009 |
| 12081 | Vin Fisher Oil Company | Andrews, TX 79714 | Oil & Gas Operator | May 2008 |
| 12082 | Vin Fisher Operating, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Feb 2026 |
| 12083 | Vincus Investment Company | Dallas, TX 75225 | Oil & Gas Operator | Apr 2004 |
| 12084 | Vinland Texas Services LLC | Electra, TX 76360 | Oil & Gas Operator | Jun 2024 |
| 12085 | Vinson Exploration | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 12086 | Vinson Exploration, Inc. | Midland, TX 79701 | Gas Operator | Dec 2020 |
| 12087 | Vinson Operating Company | Midland, TX 79706 | Oil & Gas Operator | Dec 1999 |
| 12088 | Vintage Petroleum, Inc. | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |
| 12089 | Vintage Petroleum, LLC | Houston, TX 77210 | Oil & Gas Operator | Dec 2019 |
| 12090 | Viola Production Inc | Dallas, TX 75251 | Oil & Gas Operator | Feb 2026 |
| 12091 | Viper S.W.D., LLC | El Campo, TX 77437 | Oil & Gas Operator | Feb 2026 |
| 12092 | Virlar Exploration, Inc. | Houston, TX 77227 | Oil & Gas Operator | Aug 1995 |
| 12093 | Virtex Operating Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Oct 2023 |
| 12094 | Virtex Petroleum Company, Inc. | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Jan 2008 |
| 12095 | Vision Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 12096 | Vision Minerals, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 12097 | Vision Natural Resources, LP | Midland, TX 79708 | Oil & Gas Operator | Feb 2026 |
| 12098 | Vision Oil And Gas LLC | Laredo, TX 78041 | Oil & Gas Operator | Feb 2026 |
| 12099 | Vision Operating Company, L.L.C. | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 12100 | Vision Stone Petroleum, LLC | Dallas, TX 75240 | Oil & Gas Operator | Feb 2026 |