| 401 | Vonfeldt Oil Ope | | Oil Operator | Oct 1994 |
| 402 | Vonfeldt, Alan J | Russell, KS 67665 | Oil Operator | Sep 2025 |
| 403 | Vonfeldt, Steven R | Russell, KS 67665 | Oil Operator | Jul 2025 |
| 404 | Vonk Oil And Gas LLC | | Oil Operator | Nov 2025 |
| 405 | Vortex Energy & Minerals LTD. | | Oil & Gas Operator | Dec 1997 |
| 406 | Vortex Energy LLC | Cambridge, OH 43725-9755 | Oil & Gas Operator | Dec 2023 |
| 407 | Vortex Petroleum Inc | Centennial, CO 80111 | Oil Operator | Nov 2025 |
| 408 | Vortt Exploration Company, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2019 |
| 409 | Voskamp Exploration, Inc. | Midland, TX 79708 | Oil & Gas Operator | Sep 2010 |
| 410 | Votaw Production Company LLC | Houston, TX 77007 | Oil Operator | Feb 2026 |
| 411 | Voth Operating, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Oct 2005 |
| 412 | Voyager Energy, LLC | | Oil & Gas Operator | Dec 2010 |
| 413 | Voyager Exploration Inc | Denver, CO 80202 | Oil & Gas Operator | May 2006 |
| 414 | Voyager Gas Corporation | Spring, TX 77379 | Oil & Gas Operator | Feb 2012 |
| 415 | Voyager Petroleu | | Oil & Gas Operator | Dec 1986 |
| 416 | Voyager Petroleums, Inc. | Denver, CO 80202 | Gas Operator | Feb 2000 |
| 417 | Voyles, James | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 1996 |
| 418 | VPR Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Oct 2013 |
| 419 | VRC Oil & Gas Operating Co | Oklahoma City, OK 73116-1431 | Oil & Gas Operator | Jun 2019 |
| 420 | VRK Oil And Gas, Inc. | Arlington, TX 76016 | Oil & Gas Operator | Mar 2014 |
| 421 | VRK Operating Company Inc | Fort Worth, TX 76109-7430 | Oil & Gas Operator | Sep 1994 |
| 422 | VSP Operating, LLC | Castle Rock, CO 80108 | Oil Operator | Feb 2026 |
| 423 | VT Energy Partners, LLC | Andover, KS 67002 | Oil & Gas Operator | Dec 2019 |
| 424 | VT VIstatex Energy LLC | Houston, TX 77056 | Oil & Gas Operator | Feb 2026 |
| 425 | Vtex Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 426 | VTX Energy Operating, LLC | Austin, TX 78730 | Oil & Gas Operator | Feb 2026 |
| 427 | Vukasovich Drilling | | Oil & Gas Operator | Mar 1988 |
| 428 | Vul-Tex Corporation | Pampa, TX 79065 | Oil & Gas Operator | Jan 2024 |
| 429 | Vulcan Resources, LLC | Skiatook, OK 74070 | Oil Operator | Mar 2024 |
| 430 | VVWF Oil Inc | Oklahoma City, OK 73143-7375 | Gas Operator | Feb 1994 |
| 431 | VX Operating, LLC | Abilene, TX 79605 | Oil & Gas Operator | Feb 2026 |