| 4501 | Vastar Resources | | Oil & Gas Operator | Dec 1996 |
| 4502 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Jan 2025 |
| 4503 | Vaughn Good Oil Co. | | Gas Operator | Jan 2025 |
| 4504 | Vci Production | Jarales, NM 87023 | Oil Operator | Jan 1997 |
| 4505 | Veale Donald K & | | Oil Operator | Oct 1985 |
| 4506 | Vector Minerals Corporation | Aurora, CO 80015 | Oil & Gas Operator | Mar 2025 |
| 4507 | Veem Jade Oil & Gas LLC | Plano, TX 75093 | Oil Operator | Aug 2024 |
| 4508 | Veenker Resources, Inc. | Oklahoma City, OK 73113 | Oil & Gas Operator | Mar 2025 |
| 4509 | Venture Independent Petroleum, LLC | Llaves, NM 87027 | Oil Operator | Nov 2011 |
| 4510 | Venture Oil Comp | | Oil Operator | Aug 1988 |
| 4511 | Venture Production, Inc. | Mulvane, KS 67110 | Oil Operator | Jul 1998 |
| 4512 | Venture Resources | Denver, CO 80202 | Oil Operator | Dec 1993 |
| 4513 | Venture Resources, Inc. | Denver, CO 80250 | Oil Operator | Jan 2025 |
| 4514 | Venus Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2013 |
| 4515 | Vera Cruz Petrol | | Oil & Gas Operator | Oct 1989 |
| 4516 | Verde Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Jan 2025 |
| 4517 | Verde Operating Company | Littleton, CO 80122 | Gas Operator | Jan 2025 |
| 4518 | Verdigris Energy | | Gas Operator | Jun 1983 |
| 4519 | Vern Jones Oil & Gas Corp. | Sacramento, CA 95825 | Oil & Gas Operator | Mar 2025 |
| 4520 | Vess Oil Corporation | Dallas, TX 75201 | Oil & Gas Operator | May 2025 |
| 4521 | Vess Transpacifi | | Oil & Gas Operator | Jul 1995 |
| 4522 | Vess-Transpacific Operating Co., Inc. | Wichita, KS 67201 | Oil & Gas Operator | May 2024 |
| 4523 | Vestal, Jack L. | Longton, KS 67352 | Gas Operator | Mar 1998 |
| 4524 | Viable Resources | | Oil Operator | Dec 1984 |
| 4525 | Vickers Farms Oil Venture, A General Partnership | Ottawa, KS 66067 | Oil Operator | Sep 2024 |
| 4526 | Vickers, Jerry L. | Ottawa, KS 66067 | Oil Operator | Sep 2024 |
| 4527 | Vicorp Energy In | | Oil Operator | Apr 1988 |
| 4528 | Victory Minerals LLC | Kansas City, MO 64141 | Oil Operator | Jan 2025 |
| 4529 | Victory Operating, Inc. | Andover, KS 67002 | Oil & Gas Operator | Jan 2025 |
| 4530 | Viking Internati | | Gas Operator | Jan 1988 |
| 4531 | Viking Petroleum | | Oil Operator | Mar 1990 |
| 4532 | Viking Production LLC | Fredonia, KS 66736 | Oil Operator | Mar 2016 |
| 4533 | Viking Resources | | Oil & Gas Operator | Sep 1995 |
| 4534 | Viking Resources, Inc. | Stafford, TX 77477 | Oil & Gas Operator | May 2025 |
| 4535 | Vin, Inc. | Sterling, KS 67579 | Oil Operator | Oct 2024 |
| 4536 | Vincent Oil Corp | Wichita, KS 67202 | Oil & Gas Operator | Jan 2025 |
| 4537 | Vintage Petroleu | | Oil & Gas Operator | Dec 1995 |
| 4538 | Vintage Petroleum | | Oil & Gas Operator | Feb 2003 |
| 4539 | Vintage Petroleum, LLC | Houston, TX 77210 | Oil & Gas Operator | Dec 2019 |
| 4540 | Viresen & Cochra | | Oil & Gas Operator | Sep 1995 |
| 4541 | Vitruvian Exploration LLC | The Woodlands, TX 77380 | Oil & Gas Operator | May 2016 |
| 4542 | Viva International, Inc. | Overland Park, KS 66207 | Oil Operator | Jun 2023 |
| 4543 | Viva Oil Company, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Oct 2015 |
| 4544 | Vji Natural Resources, Inc. | | Oil & Gas Operator | Jan 2025 |
| 4545 | Voigt O & G Comp | | Oil & Gas Operator | Nov 1993 |
| 4546 | Voigt Oil & Gas Co., Inc. | McPherson, KS 67460 | Oil Operator | Dec 2024 |
| 4547 | Voigts, William Jr. | Edgerton, KS 66021 | Oil Operator | Dec 2003 |
| 4548 | Volga Oil Incorp | | Oil Operator | Sep 1990 |
| 4549 | Vonfeldt Oil Ope | | Oil Operator | Oct 1994 |
| 4550 | Vonfeldt, Alan J | Russell, KS 67665 | Oil Operator | Jan 2025 |
| 4551 | Vonfeldt, Steven R | Russell, KS 67665 | Oil Operator | Dec 2024 |
| 4552 | Voyager Petroleu | | Oil & Gas Operator | Dec 1986 |
| 4553 | Voyager Petroleums, Inc. | Denver, CO 80202 | Gas Operator | Feb 2000 |
| 4554 | VT Energy Partners, LLC | Andover, KS 67002 | Oil & Gas Operator | Dec 2019 |
| 4555 | Vulcan Resources, LLC | Skiatook, OK 74070 | Oil Operator | Mar 2024 |
| 4556 | W & W Prod Compa | | Oil Operator | Oct 1995 |
| 4557 | W & W Production Company, General Partnership | Chanute, KS 66720 | Oil & Gas Operator | Jan 2025 |
| 4558 | W M Petroleum LLC | Cedar Vale, KS 67024 | Oil Operator | Nov 2024 |
| 4559 | W&W Oil Co | Denver City, TX 79323 | Oil Operator | Jun 2002 |
| 4560 | W-R Oil Company | | Oil Operator | Jul 1990 |
| 4561 | W. D. Short Oil Co. | | Oil Operator | Apr 2004 |
| 4562 | W. R. Williams, Inc. | Amarillo, TX 79105 | Gas Operator | Dec 2019 |
| 4563 | W.D. Short Oil Co., LLC | Oxford, KS 67119 | Oil & Gas Operator | Jan 2025 |
| 4564 | W.J., Inc. | Ellis, KS 67637 | Oil Operator | Jan 2001 |
| 4565 | W.R.A. Oil Co. | | Oil & Gas Operator | Jan 2025 |
| 4566 | W4 Energy, LLC | Humboldt, KS 66748 | Gas Operator | Nov 2015 |
| 4567 | Wabash Energy Corporation | Lawrenceville, IL 62439 | Oil & Gas Operator | Dec 2009 |
| 4568 | Wabash Production And Development, Inc. | Fairfield, IL 62837 | Gas Operator | Apr 2002 |
| 4569 | Wachtman-Schroed | | Oil Operator | Aug 1986 |
| 4570 | Wachtman-Schroeder, A General Partnership | Pawhuska, OK 74056 | Oil Operator | Dec 2024 |
| 4571 | Waco Oil | | Oil Operator | Apr 1992 |
| 4572 | Waddell, Eric F. | Natoma, KS 67651 | Oil Operator | Aug 1995 |
| 4573 | Wainoco Oil & Ga | | Oil & Gas Operator | Jan 1993 |
| 4574 | Wakefield Oil Company, Inc. | Winfield, KS 67156 | Oil Operator | Aug 1999 |
| 4575 | Walcher Oil, LC | Bellevue, WA 98009 | Oil & Gas Operator | Jan 2025 |
| 4576 | Walcher, Wayne E. | Wichita, KS 67202 | Oil & Gas Operator | May 2024 |
| 4577 | Walker Corporation (The) | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 4578 | Walker Ervin G | | Oil Operator | Jul 1992 |
| 4579 | Walker Oil & Gas | Early, TX 76802 | Oil & Gas Operator | Dec 2002 |
| 4580 | Walker Tank Service, Inc | Utica, KS 67584 | Oil Operator | Aug 2022 |
| 4581 | Walker, Ervin Gilbert | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2020 |
| 4582 | Wallace Energy I | | Oil Operator | Mar 1990 |
| 4583 | Wallace Energy, Inc. | Denver, CO 80202-4327 | Oil Operator | Jun 2015 |
| 4584 | Wallace Oil & Ga | | Gas Operator | Oct 1995 |
| 4585 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2025 |
| 4586 | Waller Oil, LLC | Stockton, KS 67669 | Oil Operator | Dec 2024 |
| 4587 | Walls, Charles A. | Caney, KS 67333 | Oil Operator | Aug 2016 |
| 4588 | Walters Drilling | | Oil Operator | Mar 1988 |
| 4589 | Walton, Tara | Copan, OK 74022 | Oil Operator | Oct 2024 |
| 4590 | War Cry, LLC | Russell, KS 67665 | Oil Operator | Jan 2025 |
| 4591 | Ward Feed Yard, Inc. | Larned, KS 67550 | Oil & Gas Operator | Mar 2016 |
| 4592 | Warhorse Petroleum Inc | Lafayette, CO 80026 | Oil Operator | Jan 2025 |
| 4593 | Warner Oil Prod | | Oil Operator | Apr 1995 |
| 4594 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | May 2025 |
| 4595 | Warren, James E. | Arkansas City, KS 67005 | Oil Operator | Nov 2009 |
| 4596 | Watson Petroleum | | Oil & Gas Operator | Feb 1990 |
| 4597 | Watson, Ben | Blue Mound, KS 66010 | Oil Operator | Oct 2008 |
| 4598 | Watt, Larry | Copan, OK 74022 | Oil Operator | Oct 2019 |
| 4599 | Watts Oil And Gas | Hardtner, KS 67057 | Oil Operator | Apr 2006 |
| 4600 | Watts Tank Truck Service, Inc. | Hamilton, KS 66853 | Oil Operator | Dec 2024 |