| 301 | Vincent Production Company | | Oil & Gas Operator | Dec 2006 |
| 302 | Vincus Investment Company | Dallas, TX 75225 | Oil & Gas Operator | Apr 2004 |
| 303 | Vine Energy Operating LP | | Gas Operator | Oct 2021 |
| 304 | Vine Oil & Gas LP | | Gas Operator | Apr 2021 |
| 305 | Vines Operating, LLC | | Oil Operator | Jun 2017 |
| 306 | Vineyard Oil & Gas Co | North East, PA 16428 | Oil & Gas Operator | Dec 2023 |
| 307 | Vinland Energy Operations, LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2023 |
| 308 | Vinland Texas Services LLC | Electra, TX 76360 | Oil & Gas Operator | Jun 2024 |
| 309 | Vinson & Clark | Wichita Falls, TX 76308 | Oil Operator | Apr 2015 |
| 310 | Vinson Exploration | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 311 | Vinson Exploration, Inc. | Midland, TX 79701 | Gas Operator | Dec 2020 |
| 312 | Vinson Operating Company | Midland, TX 79706 | Oil & Gas Operator | Dec 1999 |
| 313 | Vintage Drilling LLC | Artesia, NM 88211024 | Oil & Gas Operator | Jun 2025 |
| 314 | Vintage Petroleu | | Oil & Gas Operator | Dec 1995 |
| 315 | Vintage Petroleum | | Oil & Gas Operator | Feb 2003 |
| 316 | Vintage Petroleum, Inc. | Houston, TX 77046 | Oil & Gas Operator | May 2025 |
| 317 | Vintage Petroleum, LLC | Houston, TX 77210 | Oil & Gas Operator | Dec 2019 |
| 318 | Vintage Production California LLC | | Oil & Gas Operator | Jun 2016 |
| 319 | Vintage Resources Inc | Lindsay, OK 73052-0285 | Oil Operator | Dec 2007 |
| 320 | Vinyard And Sons | | Oil & Gas Operator | Oct 2009 |
| 321 | Viola Production Inc | Dallas, TX 75251 | Oil & Gas Operator | Sep 2025 |
| 322 | Violanti, Joseph L. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 323 | Viper S.W.D., LLC | El Campo, TX 77437 | Oil & Gas Operator | Sep 2025 |
| 324 | Virco Inc | Morgantown, WV 26508 | Oil & Gas Operator | Dec 2022 |
| 325 | Viresen & Cochra | | Oil & Gas Operator | Sep 1995 |
| 326 | Virgil L. Pittman | | Oil & Gas Operator | Jun 1983 |
| 327 | Virgin Offshore U.S.A., Inc. | | Oil & Gas Operator | Oct 2012 |
| 328 | Virlar Exploration, Inc. | Houston, TX 77227 | Oil & Gas Operator | Aug 1995 |
| 329 | Virsal Oil Company | | Oil Operator | Dec 2000 |
| 330 | Virtex Eastern Producing Co., LLC | | Gas Operator | Dec 2021 |
| 331 | Virtex Operating Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Oct 2023 |
| 332 | Virtex Petroleum Company, Inc. | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Jan 2008 |
| 333 | Viscosity Control Systems Inc. | | Oil & Gas Operator | Dec 1995 |
| 334 | Vision Energy Group LLC | Lafayette, LA 70503 | Oil Operator | Apr 2025 |
| 335 | Vision Energy Inc | Carlsbad, NM 88221 | Oil & Gas Operator | Aug 2022 |
| 336 | Vision Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 337 | Vision Minerals, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 338 | Vision Natural Res-La, LLC | | Oil Operator | Dec 2024 |
| 339 | Vision Natural Res-Ok LLC | Midland, TX 79708-8105 | Oil Operator | Oct 2010 |
| 340 | Vision Natural Resources, LP | Midland, TX 79708 | Oil & Gas Operator | Sep 2025 |
| 341 | Vision Oil & Gas Services LLC | Wichita, KS 67216 | Oil Operator | Mar 2025 |
| 342 | Vision Oil And Gas LLC | Laredo, TX 78041 | Oil & Gas Operator | Sep 2025 |
| 343 | Vision Operating Company, L.L.C. | Houston, TX 77027 | Oil & Gas Operator | Sep 2025 |
| 344 | Vision Stone Petroleum, LLC | Dallas, TX 75240 | Oil & Gas Operator | Sep 2025 |
| 345 | Vista Corporation | | Oil & Gas Operator | Jan 2011 |
| 346 | Vista Energy Corp. | Good Lettsvle, TN 37072 | Oil & Gas Operator | Sep 2025 |
| 347 | Vista Energy Inc | Yukon, OK 73085-0827 | Oil & Gas Operator | Mar 2015 |
| 348 | Vista Exploration, LLC | Abilene, TX 79601 | Oil & Gas Operator | May 2017 |
| 349 | Vista Investments | | Gas Operator | Nov 1998 |
| 350 | Vista Oil & Gas, Inc. | The Woodlands, TX 77382 | Oil & Gas Operator | Feb 2000 |
| 351 | Vista Operating Inc | | Oil & Gas Operator | Dec 2014 |
| 352 | Vista Opr Inc | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Dec 2024 |
| 353 | Vista Petroleum Corp | Houston, TX 77277 | Oil & Gas Operator | Dec 1996 |
| 354 | Vista Resources Inc | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Dec 2015 |
| 355 | Vista Resources LLC | Teague, TX 75860 | Oil & Gas Operator | Sep 2025 |
| 356 | Vista Resources Of Texas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Feb 2000 |
| 357 | Vista Resources, Inc. (A) | Midland, TX 79701 | Oil & Gas Operator | Feb 2000 |
| 358 | Vistar Oil Texas LLC | Friendswood, TX 77546 | Oil Operator | Jan 2017 |
| 359 | Vistatex Energy LLC | Houston, TX 77057 | Oil & Gas Operator | May 2025 |
| 360 | Visual Optics Inc | | Oil Operator | Dec 2012 |
| 361 | Vital Energy, Inc. | Tulsa, OK 74120 | Oil & Gas Operator | Sep 2025 |
| 362 | Vital Petroleum LLC | Tomball, TX 77375 | Oil Operator | Sep 2025 |
| 363 | Vitol Inc. | Houston, TX 77098 | Oil & Gas Operator | Sep 2023 |
| 364 | Vitol Resources Inc. Of Delaware | | Oil & Gas Operator | Jul 2016 |
| 365 | Vitruvian Exploration LLC | The Woodlands, TX 77380 | Oil & Gas Operator | May 2016 |
| 366 | Vitruvian II Woodford LLC | The Woodlands, TX 77381-5259 | Oil & Gas Operator | May 2019 |
| 367 | Viva International, Inc. | Overland Park, KS 66207 | Oil Operator | Jun 2023 |
| 368 | Viva Oil Company, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Oct 2015 |
| 369 | Vivian Oil Partners, LLC | | Oil Operator | Jan 2025 |
| 370 | Vji Natural Resources, Inc. | | Oil & Gas Operator | Apr 2025 |
| 371 | Vogel, A. J., Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 1994 |
| 372 | Vogler, John F | Greenville, KY 42345 | Oil Operator | Dec 2023 |
| 373 | Vogo, Inc. | Blaine, WA 98230 | Oil Operator | Sep 2025 |
| 374 | Vogt, Kristen M. | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 375 | Voight Oil Company | Tyler, TX 75703 | Oil & Gas Operator | Aug 2001 |
| 376 | Voigt O & G Comp | | Oil & Gas Operator | Nov 1993 |
| 377 | Voigt Oil & Gas Co., Inc. | McPherson, KS 67460 | Oil Operator | Mar 2025 |
| 378 | Voigts, William Jr. | Edgerton, KS 66021 | Oil Operator | Dec 2003 |
| 379 | Voil Petroleum | Olney, TX 76374 | Oil & Gas Operator | Aug 2004 |
| 380 | Volga Oil Incorp | | Oil Operator | Sep 1990 |
| 381 | Volk, Charles E. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 382 | Volvo Petroleum, Inc. | | Oil & Gas Operator | Jul 1984 |
| 383 | Vomela Resources Inc. | Flatonia, TX 78941 | Oil & Gas Operator | Sep 2025 |
| 384 | Von Gonten, John Scott | Rockdale, TX 76567 | Oil Operator | Sep 2025 |
| 385 | Vonco Of Mississippi, Inc. | | Oil Operator | Jul 2025 |
| 386 | Vondra Energy Corp. | Alvin, TX 77512 | Oil & Gas Operator | Sep 2025 |
| 387 | Vonfeldt Oil Ope | | Oil Operator | Oct 1994 |
| 388 | Vonfeldt, Alan J | Russell, KS 67665 | Oil Operator | Apr 2025 |
| 389 | Vonfeldt, Steven R | Russell, KS 67665 | Oil Operator | Apr 2025 |
| 390 | Vonk Oil And Gas LLC | | Oil Operator | Mar 2025 |
| 391 | Vortex Energy & Minerals LTD. | | Oil & Gas Operator | Dec 1997 |
| 392 | Vortex Petroleum Inc | Centennial, CO 80111 | Oil Operator | Jun 2025 |
| 393 | Vortt Exploration Company, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2019 |
| 394 | Voskamp Exploration, Inc. | Midland, TX 79708 | Oil & Gas Operator | Sep 2010 |
| 395 | Votaw Production Company LLC | Houston, TX 77007 | Oil Operator | Sep 2025 |
| 396 | Voth Operating, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Oct 2005 |
| 397 | Voyager Energy, LLC | | Oil & Gas Operator | Dec 2010 |
| 398 | Voyager Exploration Inc | Denver, CO 80202 | Oil & Gas Operator | May 2006 |
| 399 | Voyager Gas Corporation | Spring, TX 77379 | Oil & Gas Operator | Feb 2012 |
| 400 | Voyager Petroleu | | Oil & Gas Operator | Dec 1986 |