| 101 | Vantage Operating II, LLC | San Antonio, TX 78230 | Oil & Gas Operator | Sep 2025 |
| 102 | Vantage Operating, LLC | San Antonio, TX 78230 | Oil & Gas Operator | Sep 2025 |
| 103 | Vantage Petroleum, Inc. | Olmitz, KS 67564 | Oil Operator | May 2008 |
| 104 | Vantage Point Operating Co | Houston, TX 77057 | Oil & Gas Operator | Dec 2014 |
| 105 | Vanya Oil & Gas, Inc. | Hardin, TX 77561 | Oil & Gas Operator | Sep 2025 |
| 106 | Vaquero Big Horn LLC | Bakersfield, CA 93309 | Oil & Gas Operator | Jun 2025 |
| 107 | Vaquero Energy Inc | Bakersfield, CA 93309 | Oil & Gas Operator | May 2023 |
| 108 | Vaquero Gas Company,Incorporated | Houston, TX 77002 | Oil & Gas Operator | Jun 1993 |
| 109 | Vaquero Oil & Gas, Inc. | League City, TX 77573 | Oil & Gas Operator | Aug 2008 |
| 110 | Vaquero Operating | FT Stockton, TX 79735 | Oil & Gas Operator | Sep 2025 |
| 111 | Vaquero Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2025 |
| 112 | Vaquero SJV LLC | | Oil & Gas Operator | Dec 2022 |
| 113 | Vaquero Uinta, LLC | Bakersfield, CA 93309 | Oil & Gas Operator | Jun 2025 |
| 114 | Vaquillas Operating, Inc. | Laredo, TX 78041 | Oil & Gas Operator | Dec 2002 |
| 115 | Varas Energy Operating Company, LLC | Houston, TX 77005 | Oil & Gas Operator | Sep 2025 |
| 116 | Varco Oil | | Oil & Gas Operator | Apr 1991 |
| 117 | Vargas Energy, LTD. | Fort Worth, TX 76109 | Gas Operator | Sep 2025 |
| 118 | Vargas Oil & Gas | San Antonio, TX 78240 | Oil Operator | Sep 2025 |
| 119 | Vargas Oil & Gas LLC | Hennessey, OK 73742 | Gas Operator | May 2025 |
| 120 | Varner Jerry D And Helen Revocable Inter VIvos Trust | Bristow, OK 74010 | Oil Operator | Apr 2025 |
| 121 | Vassaur Elizabeth | Morris, OK 74445-2303 | Oil & Gas Operator | Oct 2018 |
| 122 | Vast Oil Inc | Fullerton, CA 92832 | Oil & Gas Operator | Mar 2024 |
| 123 | Vast Oil TX Operating LLC | Fullerton, CA 92832 | Oil & Gas Operator | Sep 2025 |
| 124 | Vast Operations, LLC | | Oil Operator | Jul 2025 |
| 125 | Vast Petroleum Corporation | Highland, UT 84003 | Oil Operator | Jan 2016 |
| 126 | Vast Petroleum Of Kansas LLC | Bozeman, MT 59715 | Oil Operator | Dec 2009 |
| 127 | Vast Star Corporation | | Oil Operator | Jul 2025 |
| 128 | Vastar Resources | | Oil & Gas Operator | Dec 1996 |
| 129 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Apr 2025 |
| 130 | Vaughan III Ben F | Austin, TX 78768-2233 | Oil & Gas Operator | May 2025 |
| 131 | Vaughan Oil LLC | Holdenville, OK 74848 | Oil Operator | May 2025 |
| 132 | Vaughan Operating Company, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2009 |
| 133 | Vaughan Otto M | | Oil & Gas Operator | Apr 2014 |
| 134 | Vaughan Production Company, Inc. | Norman, OK 73072 | Oil & Gas Operator | Sep 2014 |
| 135 | Vaughn Deloy | Beggs, OK 74421-0305 | Oil & Gas Operator | Apr 2020 |
| 136 | Vaughn Good Oil Co. | | Gas Operator | Apr 2025 |
| 137 | Vaughn Petroleum, Inc. | Dallas, TX 75219 | Oil & Gas Operator | May 2004 |
| 138 | Vaught Bill D Dba Vaught Oil Company | Akron, OH 44319 | Oil & Gas Operator | Dec 2024 |
| 139 | Vci Production | Jarales, NM 87023 | Oil Operator | Jan 1997 |
| 140 | VCP Wyoming LLC | | Oil Operator | Jul 2025 |
| 141 | VD Oil Company LLC | Bartlesville, OK 74003-4280 | Oil Operator | May 2025 |
| 142 | Veale Donald K & | | Oil Operator | Oct 1985 |
| 143 | Vec Energy LLC | Kittanning, PA 16201-5022 | Oil & Gas Operator | Jun 2025 |
| 144 | Vec Operating, LLC | Henderson, TX 75654 | Oil & Gas Operator | Sep 2025 |
| 145 | Vecta Oil & Gas LTD | Dallas, TX 75235 | Oil & Gas Operator | Jun 2025 |
| 146 | Vector Energy Corporation | Houston, TX 77060 | Oil & Gas Operator | Sep 2025 |
| 147 | Vector Exploration Inc | Oklahoma City, OK 73142-4430 | Oil & Gas Operator | Dec 2018 |
| 148 | Vector Minerals Corporation | Aurora, CO 80015 | Oil & Gas Operator | Jun 2025 |
| 149 | Vector Oil & Gas LP | Midland, TX 79701 | Oil & Gas Operator | Sep 2014 |
| 150 | Vectra CBM LLC | Littleton, CO 80128-4557 | Gas Operator | Jan 2014 |
| 151 | Veem Jade Oil & Gas LLC | Plano, TX 75093 | Oil Operator | Aug 2024 |
| 152 | Veenker Resources, Inc. | Oklahoma City, OK 73113 | Oil & Gas Operator | Jun 2025 |
| 153 | Vega Energy Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2015 |
| 154 | Vega Oil & Gas MGMT., Inc. | | Oil & Gas Operator | Aug 1981 |
| 155 | Vega Operating Company | Eaton, CO 80615 | Oil & Gas Operator | Sep 2025 |
| 156 | Veitenheimer Oil Co. | Windthorst, TX 76389 | Oil Operator | Sep 2025 |
| 157 | Velandera Energy Partners LLC | | Oil & Gas Operator | Nov 2024 |
| 158 | Venada National | | Oil & Gas Operator | Dec 2010 |
| 159 | Venado Oil & Gas, LLC | Austin, TX 78738 | Oil & Gas Operator | Oct 2016 |
| 160 | Venado Operating Company LLC | Austin, TX 78738 | Oil & Gas Operator | Mar 2022 |
| 161 | Venado Petroleum Corporation | Dallas, TX 75231 | Oil & Gas Operator | May 2012 |
| 162 | Venango Energy Partners Inc | Pittsburgh, PA 15211-0134 | Oil Operator | Dec 2024 |
| 163 | Vencer Energy, LLC | Abilene, TX 79602 | Oil & Gas Operator | Dec 2023 |
| 164 | Veneto Exploration, LLC | Richardson, TX 75083 | Oil & Gas Operator | Sep 2025 |
| 165 | Venis Dwain | Seminole, OK 74818-1975 | Oil & Gas Operator | Feb 2012 |
| 166 | Venis Exploration Company | Aledo, TX 76008 | Oil & Gas Operator | Oct 2024 |
| 167 | Veno, Nicholas And Morgan | Little Genesee, NY 14754 | Oil & Gas Operator | Dec 2024 |
| 168 | Venoco LLC | | Oil & Gas Operator | Jun 2025 |
| 169 | Venoco, Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 170 | Ventana Exploration And Production II LLC | Oklahoma City, OK 73134-2519 | Oil & Gas Operator | May 2025 |
| 171 | Ventex Operating Corp. | Addison, TX 75001 | Oil & Gas Operator | Sep 2025 |
| 172 | Ventum Oil And Gas, LP | Northbrook, IL 60062 | Oil & Gas Operator | Mar 2010 |
| 173 | Ventura Energy Services LLC | Tulsa, OK 74136-5108 | Oil & Gas Operator | Mar 2020 |
| 174 | Ventura Oil & Gas Company | San Antonio, TX 78205 | Oil & Gas Operator | Mar 2002 |
| 175 | Ventura Oil Co | Denver, CO 00000 | Gas Operator | Dec 1985 |
| 176 | Venture 9 | Sourlake, TX 77659 | Oil & Gas Operator | Aug 2003 |
| 177 | Venture Independent Petroleum, LLC | Llaves, NM 87027 | Oil Operator | Nov 2011 |
| 178 | Venture Oil & Gas, Inc. | Laurel, MS 39440 | Oil & Gas Operator | Jul 2025 |
| 179 | Venture Oil Comp | | Oil Operator | Aug 1988 |
| 180 | Venture Oil Company Of Texas | | Oil Operator | Sep 1988 |
| 181 | Venture Production Service Inc. | Millersview, TX 76862 | Oil & Gas Operator | Sep 2025 |
| 182 | Venture Production, Inc. | Mulvane, KS 67110 | Oil Operator | Jul 1998 |
| 183 | Venture Resources | Denver, CO 80202 | Oil Operator | Dec 1993 |
| 184 | Venture Resources, Inc. | Denver, CO 80250 | Oil Operator | Apr 2025 |
| 185 | Ventures Oil & Gas Of La Inc. | | Oil & Gas Operator | Jun 1999 |
| 186 | Venturini Associates Inc. | | Oil & Gas Operator | Dec 1995 |
| 187 | Venus Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2013 |
| 188 | Venus Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2002 |
| 189 | Venvirotek Of Louisiana, Inc. | | Oil Operator | Apr 2002 |
| 190 | Vera Cruz Petrol | | Oil & Gas Operator | Oct 1989 |
| 191 | Veracity Energy LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Aug 2023 |
| 192 | Verado Energy, Inc. | Allen, TX 75013 | Oil & Gas Operator | Sep 2025 |
| 193 | Verdad Oil & Gas Corporation | Dallas, TX 75235 | Oil & Gas Operator | Sep 2025 |
| 194 | Verdad Resources LLC | | Oil & Gas Operator | Jul 2025 |
| 195 | Verde Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2025 |
| 196 | Verde Operating Company | Littleton, CO 80122 | Gas Operator | Apr 2025 |
| 197 | Verdigris Energy | | Gas Operator | Jun 1983 |
| 198 | Verdugo-Pablo Energy, LLC | Amarillo, TX 79105 | Oil & Gas Operator | Nov 2024 |
| 199 | Verdun Oil & Gas LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2025 |
| 200 | Verdun Oil Ef II LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2025 |