| 4401 | Vastar Resources | | Oil & Gas Operator | Dec 1996 |
| 4402 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Feb 2026 |
| 4403 | Vaughn Good Oil Co. | | Gas Operator | Feb 2026 |
| 4404 | Vci Production | Jarales, NM 87023 | Oil Operator | Jan 1997 |
| 4405 | Veale Donald K & | | Oil Operator | Oct 1985 |
| 4406 | Vector Minerals Corporation | Aurora, CO 80015 | Oil & Gas Operator | Mar 2026 |
| 4407 | Veem Jade Oil & Gas LLC | Plano, TX 75093 | Oil Operator | Aug 2024 |
| 4408 | Veenker Resources Inc | Oklahoma City, OK 73113 | Oil & Gas Operator | Mar 2026 |
| 4409 | Venture Independent Petroleum, LLC | Llaves, NM 87027 | Oil Operator | Nov 2011 |
| 4410 | Venture Oil Comp | | Oil Operator | Aug 1988 |
| 4411 | Venture Production, Inc. | Mulvane, KS 67110 | Oil Operator | Jul 1998 |
| 4412 | Venture Resources | Denver, CO 80202 | Oil Operator | Dec 1993 |
| 4413 | Venture Resources, Inc. | Denver, CO 80250 | Oil Operator | Feb 2026 |
| 4414 | Venus Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2013 |
| 4415 | Vera Cruz Petrol | | Oil & Gas Operator | Oct 1989 |
| 4416 | Verde Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 4417 | Verde Operating Company | Littleton, CO 80122 | Gas Operator | Feb 2026 |
| 4418 | Vern Jones Oil & Gas Corp. | Sacramento, CA 95825 | Oil & Gas Operator | Mar 2026 |
| 4419 | Vess Oil Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2026 |
| 4420 | Vess Transpacifi | | Oil & Gas Operator | Jul 1995 |
| 4421 | Vess-Transpacific Operating Co., Inc. | Wichita, KS 67201 | Oil & Gas Operator | May 2024 |
| 4422 | Vestal, Jack L. | Longton, KS 67352 | Gas Operator | Mar 1998 |
| 4423 | Viable Resources | | Oil Operator | Dec 1984 |
| 4424 | Vickers Farms Oil Venture, A General Partnership | Ottawa, KS 66067 | Oil Operator | Sep 2024 |
| 4425 | Vickers, Jerry L. | Ottawa, KS 66067 | Oil Operator | Sep 2024 |
| 4426 | Vicorp Energy In | | Oil Operator | Apr 1988 |
| 4427 | Victory Minerals LLC | Kansas City, MO 64141 | Oil Operator | Feb 2026 |
| 4428 | Victory Operating, Inc. | Andover, KS 67002 | Oil & Gas Operator | Feb 2026 |
| 4429 | Viking Petroleum | | Oil Operator | Mar 1990 |
| 4430 | Viking Production LLC | Fredonia, KS 66736 | Oil Operator | Mar 2016 |
| 4431 | Viking Resources | | Oil & Gas Operator | Sep 1995 |
| 4432 | Viking Resources, Inc. | Stafford, TX 77477 | Oil & Gas Operator | Jun 2026 |
| 4433 | Vin, Inc. | Sterling, KS 67579 | Oil Operator | Oct 2025 |
| 4434 | Vincent Oil Corp | Wichita, KS 67202 | Oil & Gas Operator | Feb 2026 |
| 4435 | Vintage Petroleu | | Oil & Gas Operator | Dec 1995 |
| 4436 | Vintage Petroleum | | Oil & Gas Operator | Feb 2003 |
| 4437 | Vintage Petroleum, LLC | Houston, TX 77210 | Oil & Gas Operator | Dec 2019 |
| 4438 | Viresen & Cochra | | Oil & Gas Operator | Sep 1995 |
| 4439 | Vision Oil & Gas Services LLC | Wichita, KS 67216 | Oil Operator | Jan 2026 |
| 4440 | Vitruvian Exploration LLC | The Woodlands, TX 77380 | Oil & Gas Operator | May 2016 |
| 4441 | Viva International, Inc. | Overland Park, KS 66207 | Oil Operator | Jun 2023 |
| 4442 | Viva Oil Company, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Oct 2015 |
| 4443 | Vji Natural Resources, Inc. | | Oil & Gas Operator | Jan 2026 |
| 4444 | Voigt O & G Comp | | Oil & Gas Operator | Nov 1993 |
| 4445 | Voigt Oil & Gas Co., Inc. | McPherson, KS 67460 | Oil Operator | Jan 2026 |
| 4446 | Voigts, William Jr. | Edgerton, KS 66021 | Oil Operator | Dec 2003 |
| 4447 | Volga Oil Incorp | | Oil Operator | Sep 1990 |
| 4448 | Vonfeldt Oil Ope | | Oil Operator | Oct 1994 |
| 4449 | Vonfeldt, Alan J | Russell, KS 67665 | Oil Operator | Feb 2026 |
| 4450 | Vonfeldt, Steven R | Russell, KS 67665 | Oil Operator | Feb 2026 |
| 4451 | Voyager Petroleu | | Oil & Gas Operator | Dec 1986 |
| 4452 | VT Energy Partners, LLC | Andover, KS 67002 | Oil & Gas Operator | Dec 2019 |
| 4453 | Vulcan Resources, LLC | Skiatook, OK 74070 | Oil Operator | Mar 2024 |
| 4454 | W & W Prod Compa | | Oil Operator | Oct 1995 |
| 4455 | W & W Production Company, General Partnership | Chanute, KS 66720 | Oil & Gas Operator | Feb 2026 |
| 4456 | W M Petroleum LLC | Cedar Vale, KS 67024 | Oil Operator | Jan 2026 |
| 4457 | W&W Oil Co | Denver City, TX 79323 | Oil Operator | Jun 2002 |
| 4458 | W-R Oil Company | | Oil Operator | Jul 1990 |
| 4459 | W. D. Short Oil Co. | | Oil Operator | Apr 2004 |
| 4460 | W. R. Williams, Inc. | Amarillo, TX 79105 | Gas Operator | Dec 2019 |
| 4461 | W.D. Short Oil Co., LLC | Oxford, KS 67119 | Oil & Gas Operator | Feb 2026 |
| 4462 | W.J., Inc. | Ellis, KS 67637 | Oil Operator | Jan 2001 |
| 4463 | W.R.A. Oil Co. | | Oil & Gas Operator | Mar 2025 |
| 4464 | W4 Energy, LLC | Humboldt, KS 66748 | Gas Operator | Nov 2015 |
| 4465 | Wabash Energy Corporation | Lawrenceville, IL 62439 | Oil & Gas Operator | Dec 2009 |
| 4466 | Wachtman-Schroed | | Oil Operator | Aug 1986 |
| 4467 | Wachtman-Schroeder, A General Partnership | Pawhuska, OK 74056 | Oil Operator | Feb 2026 |
| 4468 | Waco Oil | | Oil Operator | Apr 1992 |
| 4469 | Waddell, Eric F. | Natoma, KS 67651 | Oil Operator | Aug 1995 |
| 4470 | Wainoco Oil & Ga | | Oil & Gas Operator | Jan 1993 |
| 4471 | Wakefield Oil Company, Inc. | Winfield, KS 67156 | Oil Operator | Aug 1999 |
| 4472 | Walcher Oil, LC | Bellevue, WA 98009 | Oil & Gas Operator | Feb 2026 |
| 4473 | Walcher, Wayne E. | Wichita, KS 67202 | Oil & Gas Operator | May 2024 |
| 4474 | Walker Corporation (The) | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 4475 | Walker Ervin G | | Oil Operator | Jul 1992 |
| 4476 | Walker Oil & Gas | Early, TX 76802 | Oil & Gas Operator | Dec 2002 |
| 4477 | Walker Tank Service, Inc | Utica, KS 67584 | Oil Operator | Oct 2025 |
| 4478 | Walker, Ervin Gilbert | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2020 |
| 4479 | Wallace Energy I | | Oil Operator | Mar 1990 |
| 4480 | Wallace Energy Inc | Denver, CO 80202-4327 | Oil Operator | Jun 2015 |
| 4481 | Wallace Oil & Ga | | Gas Operator | Oct 1995 |
| 4482 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Jun 2026 |
| 4483 | Waller Oil, LLC | Stockton, KS 67669 | Oil Operator | Jun 2025 |
| 4484 | Walls, Charles A. | Caney, KS 67333 | Oil Operator | Aug 2016 |
| 4485 | Walters Drilling | | Oil Operator | Mar 1988 |
| 4486 | Walton, Tara | Copan, OK 74022 | Oil Operator | Feb 2026 |
| 4487 | Wapiti Petroleum, LLC | | Oil & Gas Operator | Feb 2026 |
| 4488 | War Cry, LLC | Russell, KS 67665 | Oil Operator | Feb 2026 |
| 4489 | Ward Feed Yard, Inc. | Larned, KS 67550 | Oil & Gas Operator | Mar 2016 |
| 4490 | Warhorse Petroleum Inc | Lafayette, CO 80026 | Oil Operator | Feb 2026 |
| 4491 | Warner Oil Prod | | Oil Operator | Apr 1995 |
| 4492 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Jun 2026 |
| 4493 | Warren Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2016 |
| 4494 | Warren, James E. | Arkansas City, KS 67005 | Oil Operator | Nov 2009 |
| 4495 | Watson Petroleum | | Oil & Gas Operator | Feb 1990 |
| 4496 | Watson, Ben | Blue Mound, KS 66010 | Oil Operator | Oct 2008 |
| 4497 | Watt Larry | Copan, OK 74022 | Oil Operator | Oct 2019 |
| 4498 | Watts Oil And Gas | Hardtner, KS 67057 | Oil Operator | Apr 2006 |
| 4499 | Watts Tank Truck Service, Inc. | Hamilton, KS 66853 | Oil Operator | Jan 2026 |
| 4500 | Wausau Development Corporation | Laurel, MS 39440 | Oil & Gas Operator | Sep 2019 |