| 201 | Vermilion Energy USA LLC | | Oil & Gas Operator | Jul 2025 |
| 202 | Vermilion Exploration, Inc. | | Oil & Gas Operator | Dec 1982 |
| 203 | Vermilion Resources, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2009 |
| 204 | Vermillion Energy & Dev. Corp. | | Oil & Gas Operator | Jul 1991 |
| 205 | Vermillion Production, Inc. | Pearsall, TX 78061 | Oil & Gas Operator | Jun 2026 |
| 206 | Vern Jones Oil & Gas Corp. | Sacramento, CA 95825 | Oil & Gas Operator | Mar 2026 |
| 207 | Vern Wilson Energy Inc. | | Oil & Gas Operator | Dec 2011 |
| 208 | Verna Petroleum Company | | Oil & Gas Operator | Jun 1992 |
| 209 | Vernard L Shumaker | Apollo, PA 15613-0249 | Gas Operator | Dec 2025 |
| 210 | Vernon Bradford | | Oil Operator | Apr 1992 |
| 211 | Vernon E. Faulconer | | Oil & Gas Operator | Dec 1996 |
| 212 | Vernon E. Faulconer, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2024 |
| 213 | Vernor, Milburn | Uvalde, TX 78801 | Oil & Gas Operator | Aug 2008 |
| 214 | Veron E.Faulconer Inc | | Oil & Gas Operator | Nov 1989 |
| 215 | Verona Energy, Inc. | | Oil & Gas Operator | Nov 2024 |
| 216 | Versa Operating LLC | | Oil & Gas Operator | May 2022 |
| 217 | Versluis A James And David And Phillip P And War | | Oil Operator | Dec 2025 |
| 218 | Vertical Energy, Inc. | Sugar Grove, PA 16350 | Oil & Gas Operator | Dec 2024 |
| 219 | Vertical Resources, Inc. | Sugar Grove, PA 16350 | Gas Operator | Dec 2024 |
| 220 | Vertox LLC | Southlake, TX 76092 | Oil Operator | May 2025 |
| 221 | Verus Energy, Inc | Houston, TX 77098 | Oil & Gas Operator | Sep 2004 |
| 222 | Vess Oil Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2026 |
| 223 | Vess Transpacifi | | Oil & Gas Operator | Jul 1995 |
| 224 | Vess-Transpacific Operating Co., Inc. | Wichita, KS 67201 | Oil & Gas Operator | May 2024 |
| 225 | Vessels Coal Gas Inc | Denver, CO 80202-3539 | Gas Operator | Dec 2025 |
| 226 | Vessels Oil & Gas Company | Denver, CO 80265 | Oil & Gas Operator | Dec 1998 |
| 227 | Vesta Oil And Gas LLC | | Oil & Gas Operator | Mar 2026 |
| 228 | Vestal, Jack L. | Longton, KS 67352 | Gas Operator | Mar 1998 |
| 229 | Vestal, L. D. Oil Company | Fort Worth, TX 76132 | Oil & Gas Operator | Jun 2026 |
| 230 | Vestal, W. D., Oil Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 1998 |
| 231 | Vestige Energy, LLC | Alvin, TX 77511 | Oil & Gas Operator | Jun 2026 |
| 232 | Veteran Exploration & Prod, LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 233 | Vetra Exploration And Production LLC | | Oil & Gas Operator | Aug 2012 |
| 234 | Vi-Roi Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Jun 2004 |
| 235 | Vi-Roi Oil Company LLC | Duncan, OK 73534-1624 | Oil Operator | Aug 1997 |
| 236 | Vi-Roi Oil Income & Dev Prog | Duncan, OK 73533 | Oil Operator | Oct 1994 |
| 237 | Via, James R. | Talco, TX 75487 | Oil & Gas Operator | Jun 2026 |
| 238 | Viable Resources | | Oil Operator | Dec 1984 |
| 239 | Viable Resources Inc | Casper, WY 82601 | Oil & Gas Operator | Sep 1989 |
| 240 | Viathon Hydrocarbons, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Oct 2020 |
| 241 | Vibe Resources LLC | | Oil & Gas Operator | Dec 2024 |
| 242 | Vicars Oil & Gas Corporation | Bowie, TX 76230 | Gas Operator | Jul 2010 |
| 243 | Viceroy Petroleum GP, LLC | Rockdale, TX 76567 | Oil & Gas Operator | Feb 2010 |
| 244 | Viceroy Petroleum, LP | College Sta, TX 77845 | Oil & Gas Operator | Jun 2026 |
| 245 | Vickers & VIckers | | Oil Operator | Jul 2018 |
| 246 | Vickers Farms Oil Venture, A General Partnership | Ottawa, KS 66067 | Oil Operator | Sep 2024 |
| 247 | Vickers, Jerry L. | Ottawa, KS 66067 | Oil Operator | Sep 2024 |
| 248 | Vicksburg Refining, Inc. -Jackson | | Oil Operator | Apr 1984 |
| 249 | Vicksburg Refining, Inc. -Vicksburg | | Oil Operator | Apr 1984 |
| 250 | Vicorp Energy In | | Oil Operator | Apr 1988 |
| 251 | Vicorp Energy Inc | Denver, CO 80202-4927 | Oil & Gas Operator | Mar 2001 |
| 252 | Victor McKenzie Drilling Co Inc | Zanesville, OH 43702-3323 | Oil & Gas Operator | Dec 2023 |
| 253 | Victorem Energy LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2026 |
| 254 | Victoria Land & Investment Co. | | Oil & Gas Operator | Jan 1985 |
| 255 | Victoria Operating, Inc. | Victoria, TX 77903 | Oil & Gas Operator | Jun 2026 |
| 256 | Victorian Oil & Gas | Monahans, TX 79756 | Oil Operator | Jun 2026 |
| 257 | Victory Eagle Utility SV Y, Inc. | Newark, TX 76071 | Gas Operator | Jun 2026 |
| 258 | Victory Energy Corp | Indiana, PA 15701-8944 | Oil & Gas Operator | Dec 2021 |
| 259 | Victory Energy Partners LLC | | Oil & Gas Operator | Nov 2003 |
| 260 | Victory Financial Group, Inc. | | Oil & Gas Operator | Sep 2002 |
| 261 | Victory Minerals LLC | Kansas City, MO 64141 | Oil Operator | Feb 2026 |
| 262 | Victory Oil & Gas Inc | Gun Barrel Cy, TX 75156 | Oil & Gas Operator | Jun 2026 |
| 263 | Victory Oil Company LLC | | Oil & Gas Operator | Dec 2009 |
| 264 | Victory Operating, Inc. | Andover, KS 67002 | Oil & Gas Operator | Feb 2026 |
| 265 | Victory Petroleum Inc | Tulsa, OK 74170-0354 | Oil & Gas Operator | May 2013 |
| 266 | Vidonia Oil LLC | Plymouth MTNG, PA 19462 | Oil Operator | Jun 2026 |
| 267 | Viejo Oil & Gas, LLC | Post, TX 79356 | Oil Operator | Jun 2026 |
| 268 | Viejo Services, LLC | Boyd, TX 76023 | Oil & Gas Operator | Jun 2026 |
| 269 | Viersen & Cochran Drilling Company | | Oil & Gas Operator | May 2015 |
| 270 | Viersen Drilling Company | Henryetta, OK 74437 | Oil & Gas Operator | Jan 2022 |
| 271 | Viesca Gas Co. | Spring, TX 77379 | Oil & Gas Operator | Jun 2026 |
| 272 | Vii F Ogm Productions LLC | Bradford, PA 16701 | Oil Operator | Dec 2024 |
| 273 | Vike Oil Inc | Drumright, OK 74030 | Oil & Gas Operator | Mar 2026 |
| 274 | Viking Energy Corporation | Odessa, TX 79760 | Oil & Gas Operator | Dec 2021 |
| 275 | Viking Exploration, LLC | Mousie, KY 41839 | Oil & Gas Operator | Dec 2024 |
| 276 | Viking International Resources Co., Inc. | | Oil & Gas Operator | Dec 2020 |
| 277 | Viking Oil & Gas, LLC | Caneyville, KY 42721 | Oil & Gas Operator | Dec 2024 |
| 278 | Viking Oil Co. | | Oil & Gas Operator | Dec 1990 |
| 279 | Viking Petroleum | | Oil Operator | Mar 1990 |
| 280 | Viking Production LLC | Fredonia, KS 66736 | Oil Operator | Mar 2016 |
| 281 | Viking Resources | | Oil & Gas Operator | Sep 1995 |
| 282 | Viking Resources Corp | Deerfield, OH 44411-0160 | Oil & Gas Operator | Dec 2007 |
| 283 | Viking Resources LLC | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2017 |
| 284 | Viking Resources, Inc. | Stafford, TX 77477 | Oil & Gas Operator | Jun 2026 |
| 285 | Viking Ventures, LLC | Garland, TX 75044 | Oil & Gas Operator | Mar 2009 |
| 286 | Vilardo Farms, LLC | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 287 | Villafrank & Wells | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 288 | Villines J K | Ada, OK 74820-8323 | Oil & Gas Operator | Apr 2014 |
| 289 | Vin Fisher Oil Company | Andrews, TX 79714 | Oil & Gas Operator | May 2008 |
| 290 | Vin Fisher Operating, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Jun 2026 |
| 291 | Vin, Inc. | Sterling, KS 67579 | Oil Operator | Oct 2025 |
| 292 | Vinbar Oil & Gas, LLC | | Oil & Gas Operator | Jan 2018 |
| 293 | Vincent Oil Corp | Wichita, KS 67202 | Oil & Gas Operator | Feb 2026 |
| 294 | Vincent Production Company | | Oil & Gas Operator | Dec 2006 |
| 295 | Vincus Investment Company | Dallas, TX 75225 | Oil & Gas Operator | Apr 2004 |
| 296 | Vine Energy Operating LP | | Gas Operator | Oct 2021 |
| 297 | Vine Oil & Gas LP | | Gas Operator | Apr 2021 |
| 298 | Vines Operating, LLC | | Oil Operator | Jun 2017 |
| 299 | Vineyard Oil & Gas Co | North East, PA 16428 | Oil & Gas Operator | Dec 2023 |
| 300 | Vinland Energy Operations, LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2024 |