| 31601 | Whitmar Natural Resources Co | Tulsa, OK 74136-9998 | Oil & Gas Operator | Jun 2004 |
| 31602 | Whitmar Operating Company | Tulsa, OK 74103-3515 | Oil & Gas Operator | Apr 2009 |
| 31603 | Whitnam Oil & Gas Corp. | Glenville, WV 26351 | Oil & Gas Operator | Dec 2009 |
| 31604 | Whitney Oil & Gas Co, LLC | | Oil & Gas Operator | Dec 2017 |
| 31605 | Whitney Oil & Gas, LLC | | Oil & Gas Operator | Jun 2024 |
| 31606 | Whitney Oil And Gas Corp | | Oil & Gas Operator | Oct 1988 |
| 31607 | Whitney Thomas C | Danville, OH 43014 | Oil & Gas Operator | Dec 2023 |
| 31608 | Whitney, Ben | Clymer, NY 14724 | Gas Operator | Dec 2023 |
| 31609 | Whitson, James A., Jr. | Houston, TX 77063 | Oil & Gas Operator | Nov 2011 |
| 31610 | Whitt Investments, Inc. | Graham, TX 76450 | Oil Operator | Dec 2019 |
| 31611 | Whitt Oil & Gas, Inc. | Albany, TX 76430 | Oil & Gas Operator | Dec 2024 |
| 31612 | Whitt, W. J. | Albany, TX 76430 | Oil & Gas Operator | Nov 1996 |
| 31613 | Whitten Energy Corp. | Houston, TX 77090 | Oil & Gas Operator | Dec 2024 |
| 31614 | Whittier Energy Company | Farmington, NM 87499 | Oil & Gas Operator | Nov 2002 |
| 31615 | Whittier Operating Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2007 |
| 31616 | Whittington Curtis | Stonewall, OK 74871-0482 | Oil & Gas Operator | Feb 2011 |
| 31617 | Whittington Energy Co. | Melbourne, FL 32901 | Oil & Gas Operator | Dec 2024 |
| 31618 | Whittington Operating Company | Houston, TX 77069 | Oil & Gas Operator | Dec 2024 |
| 31619 | Whittington, G. R. | Amarillo, TX 79109 | Oil & Gas Operator | Jan 1994 |
| 31620 | Whittington, G. R. Estate | Amarillo, TX 79109 | Oil & Gas Operator | Mar 2008 |
| 31621 | Whitton Company, Inc. | | Oil & Gas Operator | Jul 2020 |
| 31622 | WHK, Inc. | | Oil & Gas Operator | Oct 1993 |
| 31623 | WHL Oil Corp. | Houston, TX 77227 | Oil & Gas Operator | Sep 1998 |
| 31624 | Whomble O O | Morris, OK 74445 | Oil Operator | Jun 2021 |
| 31625 | WHR Corp | Independence, KS 67301 | Oil & Gas Operator | Jul 2014 |
| 31626 | Wible Limited Liability Co | Edmond, OK 73012 | Oil Operator | Jun 2024 |
| 31627 | Wichita Falls Oil Expl. Co. | Holliday, TX 76366 | Oil & Gas Operator | Dec 2024 |
| 31628 | Wichita Industri | | Oil Operator | Nov 1987 |
| 31629 | Wichita Operating Company, Inc. | Spring, TX 77393 | Oil & Gas Operator | May 2009 |
| 31630 | Wichita River Oil Corporation | Englewood, CO 80111 | Oil & Gas Operator | Apr 2009 |
| 31631 | Wick'S Petroleum | | Oil Operator | Aug 1983 |
| 31632 | Wicker Oil Co | | Oil & Gas Operator | Feb 1992 |
| 31633 | Wickham, R. R. | | Oil Operator | Jan 1980 |
| 31634 | Wicklund Enterprises Inc | | Oil Operator | Dec 2023 |
| 31635 | Wicklund Petroleum Corporation | Naples, FL 34108-0108 | Oil & Gas Operator | Dec 2019 |
| 31636 | Widener, A.C. Farms, Inc. | Hudson, KS 67545 | Oil Operator | Dec 2009 |
| 31637 | Widrig Donald N | | Oil Operator | May 1988 |
| 31638 | Widrig Oil LLC | Leawood, KS 66209 | Oil Operator | Jul 2024 |
| 31639 | Widrig, Don | Leawood, KS 66209 | Oil Operator | Jul 2008 |
| 31640 | Wieck Oil Company LLC | Cromwell, OK 74859 | Oil Operator | Aug 2014 |
| 31641 | Wiedemann K T TR | | Oil Operator | Jul 1992 |
| 31642 | Wiepking-Fullerton Energy LLC | | Oil & Gas Operator | Sep 2024 |
| 31643 | Wieser Oil LLC | | Oil & Gas Operator | Dec 2023 |
| 31644 | Wiesner, Roman L. | Ellis, KS 67637 | Oil Operator | Dec 1993 |
| 31645 | Wiesner, Tom Oil Operations | Hays, KS 67601 | Gas Operator | Jul 2024 |
| 31646 | Wigington, James Robert | Ackerly, TX 79713 | Oil & Gas Operator | Aug 2003 |
| 31647 | Wigner, David H Jr | Franklin, KY 42134 | Oil Operator | Dec 2022 |
| 31648 | Wikel David | Hominey, OK 74035 | Oil Operator | Sep 2024 |
| 31649 | Wil-Mar Operations | Duncan, OK 73534-1566 | Oil & Gas Operator | Oct 2016 |
| 31650 | Wil-Max Co. | Kingman, KS 67068 | Oil Operator | Jul 2001 |
| 31651 | Wil-MC Oil Corporation The | Irving, TX 75015-2510 | Oil & Gas Operator | Mar 1999 |
| 31652 | Wil-Ron Inc | Lucien, OK 73757-9710 | Oil & Gas Operator | Aug 2024 |
| 31653 | Wila Inc | | Oil Operator | Dec 2000 |
| 31654 | Wilbanks Energy Corporation | Houston, TX 77036 | Oil & Gas Operator | Dec 2001 |
| 31655 | Wilbanks Exploration, Inc. | Denver, CO 80202 | Oil & Gas Operator | May 2002 |
| 31656 | Wilbanks Reserve Corporation | Denver, CO 80203 | Oil & Gas Operator | Dec 2024 |
| 31657 | Wilbanks, Bruce & G.L. | Midland, TX 79702 | Oil & Gas Operator | Aug 1996 |
| 31658 | Wilbanks, Bruce A. | Midland, TX 79701 | Oil & Gas Operator | Aug 1996 |
| 31659 | Wilbanks, Bruce A. Company | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
| 31660 | Wilbrook Exploration, Inc. | Lingleville, TX 76461 | Oil & Gas Operator | Aug 2003 |
| 31661 | Wilchar, DR. R. B. | Fort Worth, TX 76185 | Oil & Gas Operator | Jan 2007 |
| 31662 | Wilco Oil & Gas Corporation | Oklahoma City, OK 73159-6229 | Oil & Gas Operator | Dec 2023 |
| 31663 | Wilco Oil Gas & Expl. Corp. | | Oil & Gas Operator | Mar 1979 |
| 31664 | Wilco Operating | Monahans, TX 79756 | Oil & Gas Operator | Dec 2024 |
| 31665 | Wilco Properties, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Jan 2004 |
| 31666 | Wilco-Placentia Oil Operator LLC | | Oil & Gas Operator | Sep 2024 |
| 31667 | Wilcobill Corporation | | Oil Operator | Dec 1986 |
| 31668 | Wilcox Energy Company | | Oil & Gas Operator | Oct 2024 |
| 31669 | Wilcox Energy Company LLC | Rule, TX 79547 | Oil & Gas Operator | Dec 2024 |
| 31670 | Wilcox Oil Company | Rule, TX 79547 | Oil & Gas Operator | Aug 2008 |
| 31671 | Wilcox Oil, LLC | Wichita, KS 67235 | Oil Operator | Dec 2019 |
| 31672 | Wilcox Operating Company | | Oil Operator | Dec 1989 |
| 31673 | Wilcox Operating Corporation | Shreveport, LA 71115 | Oil & Gas Operator | Dec 2024 |
| 31674 | Wilcox Petroleum Operating LLC. | Rule, TX 79547 | Oil & Gas Operator | Dec 2024 |
| 31675 | Wilcox Pipe & Supply Co | Oklahoma City, OK 73189 | Oil & Gas Operator | May 2006 |
| 31676 | Wilcox Ventures, LLC | | Oil & Gas Operator | Sep 2024 |
| 31677 | Wilcoxson Brothers | Terral, OK 73569 | Oil Operator | Mar 2008 |
| 31678 | Wild Cat Operating Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
| 31679 | Wild Goose Storage LLC | | Gas Operator | Sep 2024 |
| 31680 | Wild Horse Energy | Paducah, TX 79248 | Oil & Gas Operator | Dec 2024 |
| 31681 | Wild Horse Tank Trucks Inc | Duncan, OK 73533-7667 | Oil Operator | Oct 2016 |
| 31682 | Wild Outdoors Oil LLC | Duncan, OK 73533 | Oil & Gas Operator | Sep 2024 |
| 31683 | Wildcat Cement Co. | Shamrock, TX 79079 | Oil & Gas Operator | May 2015 |
| 31684 | Wildcat Energy, Inc. | Sedan, KS 67361 | Oil Operator | Feb 2001 |
| 31685 | Wildcat Energy, LLC | Odessa, TX 79768 | Oil & Gas Operator | Jul 2021 |
| 31686 | Wildcat Equipment Co. Inc. | | Oil Operator | Dec 1987 |
| 31687 | Wildcat Midstream Caddo LLC | | Oil Operator | May 2017 |
| 31688 | Wildcat Oil & Gas LLC | Seneca, KS 66538 | Oil & Gas Operator | Jul 2024 |
| 31689 | Wildcat Oil, LLC | Sebree, KY 42455 | Oil Operator | Dec 2021 |
| 31690 | Wildcat Resc Inc | | Oil & Gas Operator | Nov 1992 |
| 31691 | Wildcat Resources | | Oil & Gas Operator | Jun 2016 |
| 31692 | Wildcat Well Services, LTD. | | Oil Operator | Oct 1989 |
| 31693 | Wildco Resources, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Dec 2024 |
| 31694 | Wilde, Henry & Janet | Union Springs, NY 13160 | Gas Operator | Dec 2023 |
| 31695 | Wildfire Energy Operating LLC | Houston, TX 77224 | Oil & Gas Operator | Dec 2024 |
| 31696 | Wildfire Oil & Gas, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2014 |
| 31697 | Wildfire Partners Inc | Ardmore, OK 73402 | Oil & Gas Operator | Dec 2009 |
| 31698 | Wildhorse Oil | Bogue, KS 67625 | Oil Operator | Oct 1994 |
| 31699 | Wildhorse Oil & Gas Corporation | Ardmore, OK 73402 | Oil & Gas Operator | May 2019 |
| 31700 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Dec 2024 |