| 31601 | W. D. Short Oil Co. | | Oil Operator | Apr 2004 |
| 31602 | W. D. Tarver | | Oil Operator | Aug 2005 |
| 31603 | W. E. O'Malley, Inc. | | Oil & Gas Operator | Jun 1991 |
| 31604 | W. E. Orr | | Oil & Gas Operator | Dec 2024 |
| 31605 | W. G. Darsey, III | | Oil & Gas Operator | Nov 1981 |
| 31606 | W. H. Beene | | Oil & Gas Operator | Jan 2025 |
| 31607 | W. H. Hunt | | Oil & Gas Operator | Jan 1984 |
| 31608 | W. H. Hunt Trust Estate | | Oil & Gas Operator | Mar 1997 |
| 31609 | W. H. Hunt, Et Al | | Oil & Gas Operator | Jul 1990 |
| 31610 | W. Harlan Beene | | Oil Operator | Jan 2025 |
| 31611 | W. Harlan Beene Et Al | | Oil Operator | Dec 2002 |
| 31612 | W. J. Hamilton Operator | | Oil Operator | Aug 1978 |
| 31613 | W. J. Wegman, Jr. | | Gas Operator | Dec 1991 |
| 31614 | W. L. Estis | | Oil & Gas Operator | Dec 1999 |
| 31615 | W. L. Puls & T. D. Rush | | Oil & Gas Operator | Dec 1980 |
| 31616 | W. L. Rambo | | Oil Operator | Apr 1981 |
| 31617 | W. L. Rambo, Inc. | | Oil & Gas Operator | Aug 1985 |
| 31618 | W. M. Elliott Jr. | | Oil & Gas Operator | Dec 2009 |
| 31619 | W. M. Inabnet Agent | | Gas Operator | Oct 1985 |
| 31620 | W. M. Morgan | | Oil Operator | Jan 1985 |
| 31621 | W. R. Dudley | | Oil & Gas Operator | Dec 2024 |
| 31622 | W. R. G. Oil & Gas, Inc. | Arlington, TX 76013 | Oil & Gas Operator | Dec 1993 |
| 31623 | W. R. Jennings, Jr. | | Oil Operator | Aug 2003 |
| 31624 | W. R. Williams, Inc. | Amarillo, TX 79105 | Gas Operator | Dec 2019 |
| 31625 | W. S. Hale Petroleum | | Oil & Gas Operator | Jul 2015 |
| 31626 | W. S. Hale Petroleum, L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 31627 | W. T. Waggoner Estate | | Oil & Gas Operator | Dec 1995 |
| 31628 | W. Trich & Hallwell, Inc. | | Oil & Gas Operator | Oct 1988 |
| 31629 | W. W. F. Oil Corporation | | Oil & Gas Operator | Dec 1999 |
| 31630 | W. W. Melton | | Oil Operator | Sep 1983 |
| 31631 | W.A. Oil Co. | Andrews, TX 79714 | Oil & Gas Operator | Aug 1997 |
| 31632 | W.B.D. Oil And Gas Inc. | Pampa, TX 79066 | Oil & Gas Operator | Oct 2019 |
| 31633 | W.D. Oil Company | Pampa, TX 79066 | Oil & Gas Operator | Oct 2001 |
| 31634 | W.D. Short Oil Co., LLC | Oxford, KS 67119 | Oil & Gas Operator | Dec 2024 |
| 31635 | W.E.S. Operating Company, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Nov 2011 |
| 31636 | W.H.D., Inc. | Euless, TX 76039 | Oil & Gas Operator | Aug 1998 |
| 31637 | W.I. Royalty, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Nov 2009 |
| 31638 | W.I.F.T. Operating, LLC | | Oil & Gas Operator | Feb 2025 |
| 31639 | W.J., Inc. | Ellis, KS 67637 | Oil Operator | Jan 2001 |
| 31640 | W.L. Ranch Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Apr 2025 |
| 31641 | W.O.G., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 31642 | W.P. Moore, Inc. | | Oil Operator | Dec 1983 |
| 31643 | W.P.P.I. Inc. | Westbrook, TX 79565 | Oil & Gas Operator | Jul 2013 |
| 31644 | W.R. Guffey LLC | Dallas, TX 75206 | Oil & Gas Operator | Jul 2020 |
| 31645 | W.R.A. Oil Co. | | Oil & Gas Operator | Dec 2024 |
| 31646 | W.S. Red Hancock, Inc. | | Oil Operator | Dec 1986 |
| 31647 | W.T. Waggoner Estate, Inc. | Vernon, TX 76385 | Oil Operator | Apr 2025 |
| 31648 | W.W. Energy | Luling, TX 78648 | Oil & Gas Operator | Apr 2025 |
| 31649 | W.W.R. Holding, LLC | Coleman, TX 76834 | Oil & Gas Operator | Mar 2008 |
| 31650 | W4 Energy, LLC | Humboldt, KS 66748 | Gas Operator | Nov 2015 |
| 31651 | W5 Oil, LLC | Olpe, KS 66865 | Oil Operator | Nov 2024 |
| 31652 | Wabash Energy Corporation | Lawrenceville, IL 62439 | Oil & Gas Operator | Dec 2009 |
| 31653 | Wabash Production And Development, Inc. | Fairfield, IL 62837 | Gas Operator | Apr 2002 |
| 31654 | Wachob Jack | Sapulpa, OK 74066 | Oil Operator | Dec 2014 |
| 31655 | Wachob Oil & Gas LLC | Sapulpa, OK 74066-6987 | Oil Operator | Jun 2015 |
| 31656 | Wachtman-Schroed | | Oil Operator | Aug 1986 |
| 31657 | Wachtman-Schroeder, A General Partnership | Pawhuska, OK 74056 | Oil Operator | Dec 2024 |
| 31658 | Wacker Oil Inc | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
| 31659 | Waco Corp | | Oil Operator | Jun 1983 |
| 31660 | Waco Oil | | Oil Operator | Apr 1992 |
| 31661 | Waco Oil & Gas Co., Inc. | Glenville, WV 26351-0397 | Oil & Gas Operator | Dec 2021 |
| 31662 | Waco Petro, LP | Sulphur SPGS, TX 75483 | Oil Operator | Sep 2015 |
| 31663 | Waco Production Co. | Archer City, TX 76351 | Oil & Gas Operator | Sep 1993 |
| 31664 | Waddell Norman | Seminole, OK 74868-1244 | Oil & Gas Operator | Nov 1998 |
| 31665 | Waddell, Debora | Angola, NY 14059 | Gas Operator | Dec 2023 |
| 31666 | Waddell, Eric F. | Natoma, KS 67651 | Oil Operator | Aug 1995 |
| 31667 | Waddell, Kent | Abilene, TX 79606 | Oil & Gas Operator | Nov 2010 |
| 31668 | Waddy & Son Oilfield Services Inc | Dellroy, OH 44620-9762-9762 | Oil & Gas Operator | Dec 2024 |
| 31669 | Wade Energy Corporation | Carlsbad, NM 88220 | Oil & Gas Operator | Sep 1999 |
| 31670 | Wade Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2025 |
| 31671 | Wade, Jim | Olney, TX 76374 | Oil & Gas Operator | Apr 2025 |
| 31672 | Wadi Exploration&Production,LLC | San Clemente, CA 92672 | Oil & Gas Operator | Jul 2020 |
| 31673 | Wadi Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Apr 2025 |
| 31674 | Wadi Petroleum Inc | Houston, TX 77014 | Oil & Gas Operator | May 2018 |
| 31675 | Wadkins T Roy | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2019 |
| 31676 | Wadley Bill & Son Drilling Co | Okmulgee, OK 74447-8934 | Oil & Gas Operator | Jan 2025 |
| 31677 | Waelder Oil & Gas, Inc. | Fort Smith, AR 72903 | Oil & Gas Operator | Jan 2025 |
| 31678 | Waffenbauch USA Corp. | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 31679 | Waggner, Fred | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2025 |
| 31680 | Waggner, Robert | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2006 |
| 31681 | Waggoner Drilling Company | Bristow, OK 74010-0663 | Oil & Gas Operator | Jan 2014 |
| 31682 | Waggoner Oil & Gas Corp | Enid, OK 73703-1152 | Oil & Gas Operator | Feb 2025 |
| 31683 | Waggoner, John S. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2017 |
| 31684 | Waggoner, Ralph E. | Windthorst, TX 76389 | Oil & Gas Operator | Dec 2010 |
| 31685 | Waggoner, W. T., Estate | Vernon, TX 76385 | Oil & Gas Operator | Feb 2018 |
| 31686 | Waggoner-Baldridge Energy | | Oil Operator | Jun 1988 |
| 31687 | Waggoner-Baldridge Oper. Co, Inc | Dallas, TX 75206 | Oil & Gas Operator | Jan 1998 |
| 31688 | Wagman Petroleum, Inc. | Dallas, TX 75202 | Oil & Gas Operator | Apr 2025 |
| 31689 | Wagman, Brent A. | Dallas, TX 75202 | Oil & Gas Operator | Apr 2025 |
| 31690 | Wagner & Brown | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 31691 | Wagner & Brown Limited Partnership | Midland, TX 79701 | Oil & Gas Operator | Feb 2013 |
| 31692 | Wagner & Brown LP | Midland, TX 79702-1714 | Oil & Gas Operator | Aug 2022 |
| 31693 | Wagner & Brown, LTD. | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 31694 | Wagner & Wagner | Indiana, PA 15701-1273 | Gas Operator | Dec 2012 |
| 31695 | Wagner And Brown LTD Dba Wagner And Brown LTD | | Oil & Gas Operator | Sep 2002 |
| 31696 | Wagner Energy LLC | Enid, OK 73701 | Oil Operator | Jan 2025 |
| 31697 | Wagner Gas And Oil LLC | | Oil Operator | Mar 2025 |
| 31698 | Wagner Oil And Gas | | Oil & Gas Operator | Dec 2016 |
| 31699 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2025 |
| 31700 | Wagner, Duer & Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1999 |