| 31501 | Wilmoth Clark Exploration & Prod LLC | Glen Campbell, PA 15742-0159 | Gas Operator | Dec 2008 |
| 31502 | Wilmoth Interests, Inc. | Marion Center, PA 15759 | Oil & Gas Operator | Dec 2025 |
| 31503 | Wilshire Enterprises Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 31504 | Wilshire Oil Co. Of Texas | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2004 |
| 31505 | Wilshire Oil LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2025 |
| 31506 | Wilson - Owens Production Co. | Longview, TX 75601 | Oil & Gas Operator | Nov 1998 |
| 31507 | Wilson Allen Dewayne | Okemah, OK 74859 | Oil & Gas Operator | Dec 2025 |
| 31508 | Wilson Brothers Leasing Co., Inc | Midland, TX 79705 | Oil & Gas Operator | Mar 2015 |
| 31509 | Wilson Charles B | | Oil & Gas Operator | Dec 1996 |
| 31510 | Wilson Charles R | Durant, OK 74701 | Oil Operator | Sep 2025 |
| 31511 | Wilson Claude | Loco, OK 73442-9404 | Oil & Gas Operator | Dec 2025 |
| 31512 | Wilson County Holdings LLC | Golden, CO 80403 | Oil Operator | Dec 2025 |
| 31513 | Wilson Energy LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 31514 | Wilson Energy Resources LLC | Graham, TX 76450 | Oil Operator | Apr 2026 |
| 31515 | Wilson Exploration Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 1996 |
| 31516 | Wilson H Drew | Collinsville, OK 74021 | Oil Operator | Dec 2025 |
| 31517 | Wilson Hydrocarbon Inc. | Houston, TX 77066 | Oil & Gas Operator | Apr 2026 |
| 31518 | Wilson Jay - Azog Inc | Malta, OH 43758 | Oil & Gas Operator | Dec 2024 |
| 31519 | Wilson Oil Co. | Houston, TX 77263 | Oil & Gas Operator | Apr 2026 |
| 31520 | Wilson Oil Compa | | Oil Operator | Dec 1986 |
| 31521 | Wilson Oil Properties, LLC | Winfield, KS 67156 | Oil Operator | Nov 2009 |
| 31522 | Wilson Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Apr 2026 |
| 31523 | Wilson Operating Company LLC | Tulsa, OK 74105 | Oil & Gas Operator | Apr 2026 |
| 31524 | Wilson Operating Service Inc | Brownfield, TX 79316 | Oil & Gas Operator | Aug 2003 |
| 31525 | Wilson Petroleum Co. | Springfield, MO 65803 | Oil & Gas Operator | Apr 2026 |
| 31526 | Wilson Petroleum Corp | Westerville, OH 43081 | Oil & Gas Operator | Dec 2000 |
| 31527 | Wilson Production Co Of La,Inc | | Oil & Gas Operator | Apr 1991 |
| 31528 | Wilson Resources, Inc. | Longview, TX 75601 | Oil & Gas Operator | Apr 2026 |
| 31529 | Wilson Richard A | | Oil Operator | Dec 2009 |
| 31530 | Wilson Robert P | | Gas Operator | Dec 1996 |
| 31531 | Wilson Well Service | Loco, OK 73442-0114 | Oil & Gas Operator | Mar 2018 |
| 31532 | Wilson Well Service Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Apr 2026 |
| 31533 | Wilson, Billy R. | New Braunfels, TX 78130 | Oil & Gas Operator | Apr 2026 |
| 31534 | Wilson, Brian K | Fairmont, WV 26554-0148 | Oil & Gas Operator | Dec 2018 |
| 31535 | Wilson, Bruce Oil Inc | Columbia, KY 42728 | Oil Operator | Dec 2024 |
| 31536 | Wilson, Charles B., Jr., Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2000 |
| 31537 | Wilson, Clay S | | Oil Operator | Dec 2025 |
| 31538 | Wilson, David A. | Longview, TX 75606 | Oil & Gas Operator | Mar 1997 |
| 31539 | Wilson, Don H., Inc. | Elkhart, TX 75839 | Oil & Gas Operator | May 2019 |
| 31540 | Wilson, Jerry L. | Ranger, TX 76470 | Oil & Gas Operator | Apr 2026 |
| 31541 | Wilson, Olan Max | Cisco, TX 76437 | Oil & Gas Operator | Apr 2026 |
| 31542 | Wilson, W R | | Oil & Gas Operator | Dec 2025 |
| 31543 | Wilson, W. Corp. | Midland, TX 79705 | Oil & Gas Operator | Mar 1999 |
| 31544 | Wilson, W.W. Jr. Properties | Abilene, TX 79605 | Oil & Gas Operator | Jul 1995 |
| 31545 | Wilson, Warren C | | Oil Operator | Dec 2025 |
| 31546 | Wilson, WM. B. Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 1996 |
| 31547 | Wilson-Shab Corp. | Electra, TX 76360 | Oil & Gas Operator | Apr 2026 |
| 31548 | Wilton Oil Company | Dallas, TX 75206 | Oil & Gas Operator | Apr 1999 |
| 31549 | Wilton Petroleum, Inc. | Canton, KS 67428 | Oil & Gas Operator | Dec 2025 |
| 31550 | Wilton, Frank | Graham, TX 76450 | Oil & Gas Operator | Oct 2016 |
| 31551 | Wimberley Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2013 |
| 31552 | Wimberley James A | Dallas, TX 75229-6180 | Oil & Gas Operator | Nov 2014 |
| 31553 | Wimco | Dallas, TX 75229 | Oil & Gas Operator | Jul 2008 |
| 31554 | Wimsco, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 1994 |
| 31555 | Wimsett Kenneth | | Oil Operator | Apr 1989 |
| 31556 | Win Oil Company | Russell, KS 67665 | Oil & Gas Operator | Jul 2021 |
| 31557 | Winbeau Oil & Gas Co. | | Oil & Gas Operator | Oct 2013 |
| 31558 | Winchester Energy Operating Co. | Austin, TX 78746 | Oil & Gas Operator | Apr 2026 |
| 31559 | Winchester Energy, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 31560 | Winchester Exploration, Inc. | Arlington, TX 76013 | Oil & Gas Operator | Aug 2003 |
| 31561 | Winchester Oil & Gas LLC | Rockdale, TX 76567 | Oil Operator | Apr 2026 |
| 31562 | Winchester Oil Corporation | Maysville, OK 73057-0600 | Oil & Gas Operator | Apr 2010 |
| 31563 | Winchester Operating, Inc. | Bryan, TX 77808 | Oil & Gas Operator | Aug 2001 |
| 31564 | Winchester Production Co., LTD. | Shreveport, LA 71129 | Oil & Gas Operator | Sep 2008 |
| 31565 | Winchester Production Company | Shreveport, LA 71129 | Oil & Gas Operator | Nov 2008 |
| 31566 | Winco Of Kansas | Kechi, KS 67067 | Oil Operator | Aug 1982 |
| 31567 | Winco Oil Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2026 |
| 31568 | Winco Petroleum Company | Richardson, TX 75080 | Oil & Gas Operator | Jan 2003 |
| 31569 | Winco Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 1997 |
| 31570 | Wind River Energy Commission | | Oil Operator | Feb 2026 |
| 31571 | Wind River Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 31572 | Wind River Exploration | Powell, WY 82435 | Oil & Gas Operator | Feb 2026 |
| 31573 | Wind River Exploration Inc | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2025 |
| 31574 | Wind River Oil & Gas, Inc. | Jackson, WY 83002 | Oil Operator | Aug 2000 |
| 31575 | Wind River Resources Corp | Park City, UT 84098 | Oil & Gas Operator | Jan 2020 |
| 31576 | Wind River Resources Inc | Tulsa, OK 74136-6381 | Oil & Gas Operator | Jun 2010 |
| 31577 | Winder Oil Company | | Oil Operator | Jun 2025 |
| 31578 | Windfohr Oil Company | | Oil & Gas Operator | May 1980 |
| 31579 | Windgate Oil Com | | Oil Operator | Jul 1985 |
| 31580 | Windham Oil Company | | Oil & Gas Operator | Dec 1987 |
| 31581 | Windham Oil Corp. | | Oil & Gas Operator | Dec 2024 |
| 31582 | Windham Resources | Abilene, TX 79608 | Oil & Gas Operator | Apr 2026 |
| 31583 | Windham Resources, Inc. | Tuscola, TX 79562 | Oil & Gas Operator | Feb 2004 |
| 31584 | Windham, L. E. | Rankin, TX 79778 | Oil & Gas Operator | Dec 1996 |
| 31585 | Windham, L.E. Estate Of | Midland, TX 79702 | Oil & Gas Operator | Mar 2012 |
| 31586 | Windler-Doudna, A General Partnership | | Oil Operator | Sep 2000 |
| 31587 | Windmill Oil Company | Austin, TX 78747 | Oil & Gas Operator | Mar 2008 |
| 31588 | Windmill Windy Acres Farm, LLC | Penn Yan, NY 14527 | Gas Operator | Dec 2024 |
| 31589 | Window Operating Co., The | Coleman, TX 76834 | Oil & Gas Operator | Apr 2026 |
| 31590 | Windridge Operating LLC | | Oil & Gas Operator | Feb 2026 |
| 31591 | Windrush Operating Co., L.L.C. | Longville, LA 70652 | Oil & Gas Operator | Apr 2026 |
| 31592 | Windrush Operating Company | | Oil & Gas Operator | Jan 2009 |
| 31593 | Winds Exploration And Production, LLC | Houston, TX 77032 | Gas Operator | Jan 2024 |
| 31594 | Windsor Associates Inc | Fairlawn, OH 44333-4006 | Oil & Gas Operator | Dec 2012 |
| 31595 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 31596 | Windsor Energy Inc | Dallas, TX 75204-3199 | Oil & Gas Operator | May 2006 |
| 31597 | Windsor Exploration Company | Dallas, TX 75204 | Oil & Gas Operator | Jan 1994 |
| 31598 | Windsor Gas Corporation | | Oil & Gas Operator | Aug 1989 |
| 31599 | Windsor Permian LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2012 |
| 31600 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |