| 31501 | Williams, E. L. | Emporia, KS 66801 | Oil & Gas Operator | Nov 1988 |
| 31502 | Williams, Floyd E | | Oil Operator | Dec 2015 |
| 31503 | Williams, H. E. | Houston, TX 77002 | Oil & Gas Operator | Dec 1994 |
| 31504 | Williams, John E | Scottsville, KY 42164 | Oil Operator | Dec 2015 |
| 31505 | Williams, Kenneth O. Jr | | Oil Operator | Nov 2006 |
| 31506 | Williams, Paul H. | Plainville, KS 67663 | Oil Operator | Mar 1987 |
| 31507 | Williams, Paul M. And/Or Judy A. | Leroy, KS 66857 | Oil Operator | Nov 2018 |
| 31508 | Williams, Raymond H.(Deceased) | Sedan, KS 67361 | Oil Operator | Nov 2009 |
| 31509 | Williams, Robert J. | Independence, KS 67301 | Oil Operator | May 2019 |
| 31510 | Williams, W. R. | Amarillo, TX 79105 | Oil & Gas Operator | Jun 2013 |
| 31511 | Williams, W. R., Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Feb 2024 |
| 31512 | Williams-Cody, Inc. | Houston, TX 77060 | Oil & Gas Operator | May 1994 |
| 31513 | Williams-Robinson | | Oil Operator | Mar 1988 |
| 31514 | Williamson & Smitherman | | Oil & Gas Operator | Dec 2008 |
| 31515 | Williamson Gregory L | Skiatook, OK 74070-0028 | Oil & Gas Operator | Mar 2015 |
| 31516 | Williamson Oil & Gas, Inc. | Shreveport, LA 71166 | Oil & Gas Operator | Dec 2024 |
| 31517 | Williamson Oil And Gas LLC | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2025 |
| 31518 | Williamson Operating Co. | Uvalde, TX 78801 | Oil & Gas Operator | Sep 2026 |
| 31519 | Williamson Operating Co., LLC | Stamps, AR 71860 | Oil & Gas Operator | Sep 2026 |
| 31520 | Williamson Ozella | Skiatook, OK 74070 | Oil Operator | Aug 2013 |
| 31521 | Williamson Pumping Ser., Inc. | | Oil Operator | Nov 2024 |
| 31522 | Williamson Pumping Service, Inc | Stamps, AR 71860 | Oil & Gas Operator | Jan 2025 |
| 31523 | Williamson, J. C. | Midland, TX 79701 | Oil & Gas Operator | Jan 2001 |
| 31524 | Williamson, Ralph E. | Midland, TX 79702 | Oil & Gas Operator | Jan 2012 |
| 31525 | Williamson, Richard | Camden, AR 71701 | Oil & Gas Operator | Jan 2025 |
| 31526 | Williford Energy Company | Tulsa, OK 74135 | Oil & Gas Operator | Sep 2026 |
| 31527 | Williford Petroleum, L.L.C. | Green CV SPGS, FL 32043 | Oil & Gas Operator | Sep 2026 |
| 31528 | Williford Resources LLC | Tulsa, OK 74136-1020 | Oil & Gas Operator | Jun 2026 |
| 31529 | Willis Energy | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2009 |
| 31530 | Willis Operating Co. | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 31531 | Williston Basin Cosul-Profit SH | | Oil Operator | Dec 1989 |
| 31532 | Williston Hunter ND, LLC | | Oil & Gas Operator | Mar 2014 |
| 31533 | Williston Industrial Supply Corporation | Williston, ND 58801 | Oil & Gas Operator | Mar 2012 |
| 31534 | Willo Oil & Gas Exploration, LLC | Boerne, TX 78006 | Oil & Gas Operator | Jul 2020 |
| 31535 | Willow Bend Oil LLC | Dallas, TX 75206 | Oil & Gas Operator | Sep 2026 |
| 31536 | Willow Creek Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2009 |
| 31537 | Willow Run Corporation | | Oil & Gas Operator | Dec 2021 |
| 31538 | Willow Springs Prod. Serv.,LLC | Kilgore, TX 75663 | Oil & Gas Operator | Aug 1997 |
| 31539 | Willow Springs Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Sep 1999 |
| 31540 | Willowbend Investments, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2026 |
| 31541 | Willowick Production LLC | Houston, TX 77057 | Oil & Gas Operator | Sep 2026 |
| 31542 | Wills Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 1995 |
| 31543 | Wills Oil Holdings, L.L.C. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2026 |
| 31544 | Willstar Energy GP, LLC | Houston, TX 77279 | Oil & Gas Operator | Sep 2013 |
| 31545 | Wilmoth Clark Exploration & Prod LLC | | Gas Operator | Dec 2008 |
| 31546 | Wilmoth Interests, Inc. | Marion Center, PA 15759 | Oil & Gas Operator | May 2026 |
| 31547 | Wilshire Enterprises Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 31548 | Wilshire Oil Co. Of Texas | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2004 |
| 31549 | Wilshire Oil LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | May 2026 |
| 31550 | Wilson - Owens Production Co. | Longview, TX 75601 | Oil & Gas Operator | Nov 1998 |
| 31551 | Wilson Allen Dewayne | Okemah, OK 74859 | Oil & Gas Operator | Apr 2026 |
| 31552 | Wilson Brothers Leasing Co., Inc | Midland, TX 79705 | Oil & Gas Operator | Mar 2015 |
| 31553 | Wilson Charles B | | Oil & Gas Operator | Dec 1996 |
| 31554 | Wilson Charles R | Durant, OK 74701 | Oil Operator | Jun 2026 |
| 31555 | Wilson Claud | Loco, OK 73442-9404 | Oil & Gas Operator | May 2026 |
| 31556 | Wilson County Holdings LLC | Golden, CO 80403 | Oil Operator | Apr 2026 |
| 31557 | Wilson Energy LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 31558 | Wilson Energy Resources LLC | Graham, TX 76450 | Oil Operator | Sep 2026 |
| 31559 | Wilson Exploration Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 1996 |
| 31560 | Wilson H Drew | Collinsville, OK 74021 | Oil Operator | May 2026 |
| 31561 | Wilson Hydrocarbon Inc. | Houston, TX 77066 | Oil & Gas Operator | Sep 2026 |
| 31562 | Wilson Jay - Azog Inc | Malta, OH 43758 | Oil & Gas Operator | Dec 2025 |
| 31563 | Wilson Oil Co. | Houston, TX 77263 | Oil & Gas Operator | Sep 2026 |
| 31564 | Wilson Oil Compa | | Oil Operator | Dec 1986 |
| 31565 | Wilson Oil Properties, LLC | Winfield, KS 67156 | Oil Operator | Nov 2009 |
| 31566 | Wilson Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Sep 2026 |
| 31567 | Wilson Operating Company LLC | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2026 |
| 31568 | Wilson Operating Service Inc | Brownfield, TX 79316 | Oil & Gas Operator | Aug 2003 |
| 31569 | Wilson Petroleum Co. | Springfield, MO 65803 | Oil & Gas Operator | Sep 2026 |
| 31570 | Wilson Petroleum Corp | Westerville, OH 43081 | Oil & Gas Operator | Dec 2000 |
| 31571 | Wilson Production Co Of La,Inc | | Oil & Gas Operator | Apr 1991 |
| 31572 | Wilson Resources, Inc. | Longview, TX 75601 | Oil & Gas Operator | Sep 2026 |
| 31573 | Wilson Richard A | | Oil Operator | Dec 2009 |
| 31574 | Wilson Robert P | | Gas Operator | Dec 1996 |
| 31575 | Wilson Well Service | Loco, OK 73442-0114 | Oil & Gas Operator | Mar 2018 |
| 31576 | Wilson Well Service Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Sep 2026 |
| 31577 | Wilson, Billy R. | New Braunfels, TX 78130 | Oil & Gas Operator | Sep 2026 |
| 31578 | Wilson, Brian K | | Oil & Gas Operator | Dec 2018 |
| 31579 | Wilson, Bruce Oil Inc | Columbia, KY 42728 | Oil Operator | Dec 2024 |
| 31580 | Wilson, Charles B., Jr., Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2000 |
| 31581 | Wilson, Clay S | | Oil Operator | May 2026 |
| 31582 | Wilson, David A. | Longview, TX 75606 | Oil & Gas Operator | Mar 1997 |
| 31583 | Wilson, Don H., Inc. | Elkhart, TX 75839 | Oil & Gas Operator | May 2019 |
| 31584 | Wilson, Jerry L. | Ranger, TX 76470 | Oil & Gas Operator | Sep 2026 |
| 31585 | Wilson, Olan Max | Cisco, TX 76437 | Oil & Gas Operator | Sep 2026 |
| 31586 | Wilson, W R | | Oil & Gas Operator | May 2026 |
| 31587 | Wilson, W. Corp. | Midland, TX 79705 | Oil & Gas Operator | Mar 1999 |
| 31588 | Wilson, W.W. Jr. Properties | Abilene, TX 79605 | Oil & Gas Operator | Jul 1995 |
| 31589 | Wilson, Warren C | | Oil Operator | May 2026 |
| 31590 | Wilson, WM. B. Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 1996 |
| 31591 | Wilson-Shab Corp. | Electra, TX 76360 | Oil & Gas Operator | Sep 2026 |
| 31592 | Wilton Oil Company | Dallas, TX 75206 | Oil & Gas Operator | Apr 1999 |
| 31593 | Wilton Petroleum, Inc. | Canton, KS 67428 | Oil & Gas Operator | Apr 2026 |
| 31594 | Wilton, Frank | Graham, TX 76450 | Oil & Gas Operator | Oct 2016 |
| 31595 | Wimberley Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2013 |
| 31596 | Wimberley James A | Dallas, TX 75229-6180 | Oil & Gas Operator | Nov 2014 |
| 31597 | Wimco | Dallas, TX 75229 | Oil & Gas Operator | Jul 2008 |
| 31598 | Wimsco, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 1994 |
| 31599 | Wimsett Kenneth | | Oil Operator | Apr 1989 |
| 31600 | Win Oil Company | Russell, KS 67665 | Oil & Gas Operator | Jul 2021 |