| 31501 | Warnock Operating Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2013 |
| 31502 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 31503 | Warrego Oil & Gas LLC | Lander, WY 82520 | Oil Operator | May 2018 |
| 31504 | Warren American Oil Co | Tulsa, OK 74147 | Oil & Gas Operator | Oct 2025 |
| 31505 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Dec 2025 |
| 31506 | Warren C J Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 1984 |
| 31507 | Warren Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2016 |
| 31508 | Warren Drilling Co | Dexter City, OH 45727 | Oil & Gas Operator | Dec 2024 |
| 31509 | Warren E & P Inc | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 31510 | Warren Enterprises Inc | Gillette, WY 82718 | Oil Operator | Dec 2022 |
| 31511 | Warren Producers Inc | Bowling Green, KY 42102 | Oil & Gas Operator | Dec 2017 |
| 31512 | Warren Production Services | Caldwell, TX 77836 | Oil & Gas Operator | Dec 2025 |
| 31513 | Warren, Earl T. | San Angelo, TX 76906 | Oil & Gas Operator | Dec 2025 |
| 31514 | Warren, James E. | Arkansas City, KS 67005 | Oil Operator | Nov 2009 |
| 31515 | Warren, Joe H. | Dallas, TX 75206 | Oil & Gas Operator | Oct 2001 |
| 31516 | Warren, Malcolm | Corfu, NY 14036 | Gas Operator | Dec 2024 |
| 31517 | Warrior Exploration LLC | Sapulpa, OK 74067-1912 | Oil & Gas Operator | Aug 2025 |
| 31518 | Warrior Inc | Hobbs, NM 88241 | Oil & Gas Operator | Feb 1998 |
| 31519 | Warrior Met Coal Gas, LLC | Brookwood, AL 35444 | Gas Operator | Sep 2025 |
| 31520 | Warrior Resources Inc. | Mexia, TX 76667 | Oil & Gas Operator | Dec 2025 |
| 31521 | Warwick Associates LC | Oklahoma City, OK 73112 | Oil & Gas Operator | Sep 2025 |
| 31522 | Warwick Oil & Gas, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 1993 |
| 31523 | Warwick Oil Corp. | | Oil & Gas Operator | Mar 1990 |
| 31524 | Warwick-Artemis, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Dec 2025 |
| 31525 | Warwick-Bacchus LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2025 |
| 31526 | Warwick-Jupiter LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2025 |
| 31527 | Warwick-Minerva LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2025 |
| 31528 | Wasatch Energy Inc | Salt Lake City, UT 84108 | Gas Operator | Jul 1992 |
| 31529 | Wasatch Oil & Gas Corp | Farmington, UT 84025-0699 | Oil & Gas Operator | Mar 2002 |
| 31530 | Wash, Robert C. | Forsan, TX 79733 | Oil & Gas Operator | Nov 2000 |
| 31531 | Wash, Robert C. Inc. | Forsan, TX 79733 | Oil & Gas Operator | Dec 2025 |
| 31532 | Washakie Energies Company | Worland, WY 82401 | Oil & Gas Operator | Dec 2019 |
| 31533 | Washakie Oil Company | | Oil & Gas Operator | Dec 1989 |
| 31534 | Washburn Lee | Newcastle, WY 82701 | Oil Operator | Jan 2025 |
| 31535 | Washington Energy Co LLC | Canonsburg, PA 15317-0400 | Oil & Gas Operator | Dec 2024 |
| 31536 | Washington Energy Exploration | | Oil & Gas Operator | Dec 1997 |
| 31537 | Washita Energy Inc | Pauls Valley, OK 73075-0923 | Oil & Gas Operator | Mar 2015 |
| 31538 | Washita Oil And Gas, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 31539 | Washita Production Company | Tulsa, OK 74136 | Oil & Gas Operator | May 2006 |
| 31540 | Wassom, Claude J | | Oil & Gas Operator | May 2013 |
| 31541 | Wasson Billy C | Morris, OK 74445 | Oil & Gas Operator | Aug 2025 |
| 31542 | Waste TRMT Corp | Washington, PA 15301-0558 | Oil & Gas Operator | Dec 2024 |
| 31543 | Wat Khmer Temple* | | Oil Operator | Dec 2003 |
| 31544 | Watchtower Petroleum, LLC | | Oil & Gas Operator | Jun 2025 |
| 31545 | Watco Energy | Jacksboro, TX 76458 | Oil & Gas Operator | Dec 2025 |
| 31546 | Watco Energy, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Apr 1996 |
| 31547 | Water Works Engineering, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jan 1998 |
| 31548 | Waterbridge Arkoma Operating LLC | Houston, TX 77056 | Oil Operator | Sep 2025 |
| 31549 | Waterbridge Texas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2025 |
| 31550 | Waterco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 31551 | Waterford Energy Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 1998 |
| 31552 | Waterford Production Co | | Oil Operator | Oct 1992 |
| 31553 | Waterloo Exploration LLC | Tulsa, OK 74136-4226 | Gas Operator | Aug 2025 |
| 31554 | Waters Eng. & Operating, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Sep 2013 |
| 31555 | Waters Petroleum | Albany, TX 76430 | Oil & Gas Operator | Aug 2016 |
| 31556 | Watertech Disposal | Enid, OK 73702-0125 | Oil Operator | Sep 2007 |
| 31557 | Watkins Energy LLC | Healdton, OK 73438 | Oil Operator | Aug 2025 |
| 31558 | Watkins J L | Henryetta, OK 74437 | Oil & Gas Operator | Sep 2025 |
| 31559 | Watkins Joe L | Boynton, OK 74422 | Oil & Gas Operator | Mar 2015 |
| 31560 | Watkins Oil Company | Claremore, OK 74017 | Oil & Gas Operator | May 2018 |
| 31561 | Watkins Paul | Bixby, OK 74008-4018 | Oil & Gas Operator | Jun 2004 |
| 31562 | Watkins Production Company | Dallas, TX 75229 | Oil & Gas Operator | Feb 2008 |
| 31563 | Watkins, J. B. | Borger, TX 79007 | Oil & Gas Operator | May 2009 |
| 31564 | Watson Energy Investments, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2025 |
| 31565 | Watson Energy, L.L.C. | | Oil & Gas Operator | Jun 2005 |
| 31566 | Watson Fred S Revocable Trust | Muskogee, OK 74402-1928 | Oil Operator | Nov 2017 |
| 31567 | Watson Oil & Gas Co. | Gorman, TX 76454 | Oil & Gas Operator | Jan 2002 |
| 31568 | Watson Oil & Gas Corp. | | Oil Operator | Aug 1994 |
| 31569 | Watson Oil & Gas, Inc. | Spicewood, TX 78669 | Oil & Gas Operator | Dec 2025 |
| 31570 | Watson Oil Corporation | | Oil & Gas Operator | Jun 1981 |
| 31571 | Watson Operating Company | Pampa, TX 79066 | Oil & Gas Operator | Dec 2003 |
| 31572 | Watson Packer Employee Fund | Monahans, TX 79756 | Oil & Gas Operator | Dec 2025 |
| 31573 | Watson Petroleum | | Oil & Gas Operator | Feb 1990 |
| 31574 | Watson Petroleum Inc | Wichita, KS 67208 | Oil & Gas Operator | May 2010 |
| 31575 | Watson Wayne W | Cambridge, OH 43725-3024 | Oil & Gas Operator | Dec 2002 |
| 31576 | Watson, B. G. Oil Field Salv Inc | Coleman, TX 76834 | Oil & Gas Operator | Mar 2000 |
| 31577 | Watson, Ben | Blue Mound, KS 66010 | Oil Operator | Oct 2008 |
| 31578 | Watt Energy, LLC | Port Barre, LA 70577 | Oil & Gas Operator | Dec 2025 |
| 31579 | Watt Larry | Copan, OK 74022 | Oil Operator | Oct 2019 |
| 31580 | Watt Mineral Holdings LLC | | Oil Operator | Sep 2025 |
| 31581 | Watt, Larry D | | Oil Operator | Aug 2024 |
| 31582 | Wattles, Richard F. | Colden, NY 14033 | Gas Operator | Dec 2024 |
| 31583 | Watts And Hill Oil Company | | Oil Operator | Sep 1995 |
| 31584 | Watts Keith | Bristow, OK 74010-4996 | Oil Operator | May 2025 |
| 31585 | Watts Oil And Gas | Hardtner, KS 67057 | Oil Operator | Apr 2006 |
| 31586 | Watts Tank Truck Service, Inc. | Hamilton, KS 66853 | Oil Operator | Jun 2025 |
| 31587 | Watts, J R | | Oil Operator | Dec 2009 |
| 31588 | Watusi Energy LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 31589 | Wausau Development Corporation | Laurel, MS 39440 | Oil & Gas Operator | Sep 2019 |
| 31590 | Wave Energy LLC | Jennings, OK 74038 | Oil Operator | Sep 2025 |
| 31591 | Wave Petroleum Operating LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 31592 | Wavefront Energy & Envir Serv USA Inc | Edmonton, AB T6B3P6 | Oil Operator | Apr 2015 |
| 31593 | Wavepoint Realty Ny, LLC | North East, PA 16428 | Gas Operator | Dec 2024 |
| 31594 | Wavetech Helium Inc | | Gas Operator | Sep 2025 |
| 31595 | Way Drilling Com | | Oil & Gas Operator | Mar 1993 |
| 31596 | Way, Ralph L., Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 31597 | Wayhan Oil Company | Houston, TX 77070 | Oil & Gas Operator | Dec 2025 |
| 31598 | Wayland Drilling & Explr., Inc. | Grapevine, TX 76099 | Oil & Gas Operator | Apr 2006 |
| 31599 | Waylander LLC | Plano, TX 75025 | Oil & Gas Operator | Dec 2025 |
| 31600 | Wayman W. Buchanan | | Oil & Gas Operator | Feb 1986 |