| 32601 | Williams Operating Company LLC | Duncan, OK 73533 | Oil Operator | Feb 2025 |
| 32602 | Williams Petroleum Company, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2025 |
| 32603 | Williams Pressure Service Co. | | Oil Operator | Sep 1985 |
| 32604 | Williams Prod. Gulf Coast, L.P. | Benbrook, TX 76126 | Oil & Gas Operator | Jan 2012 |
| 32605 | Williams Producing Co | | Oil & Gas Operator | Jan 2025 |
| 32606 | Williams Production RMT Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2010 |
| 32607 | Williams Refractories Inc | Cushing, OK 74023 | Oil & Gas Operator | Feb 2015 |
| 32608 | Williams Reid Oil Co | Dallas, TX 75234 | Oil & Gas Operator | Jan 2025 |
| 32609 | Williams Robert | | Oil & Gas Operator | Apr 1995 |
| 32610 | Williams Roger F | Tulsa, OK 74152-0951 | Oil & Gas Operator | May 2013 |
| 32611 | Williams Royce S | Healdton, OK 73438-0306 | Oil & Gas Operator | Apr 2014 |
| 32612 | Williams Ted H | | Oil & Gas Operator | Dec 2008 |
| 32613 | Williams Well Surveys Inc. | | Oil & Gas Operator | Dec 1996 |
| 32614 | Williams, A. Oil | Wichita Falls, TX 76308 | Oil Operator | Apr 2025 |
| 32615 | Williams, Clayton Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | Apr 2025 |
| 32616 | Williams, Clayton Energy, L.L.C | Midland, TX 79705 | Oil & Gas Operator | May 1993 |
| 32617 | Williams, Clayton W., Jr. | | Oil & Gas Operator | Jun 1989 |
| 32618 | Williams, Clayton W., Jr., Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2008 |
| 32619 | Williams, Cynthia L. | Fredonia, NY 14063 | Gas Operator | Dec 2023 |
| 32620 | Williams, Donald M. | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 32621 | Williams, Doyle | | Oil & Gas Operator | Jan 2025 |
| 32622 | Williams, E. L. | Emporia, KS 66801 | Oil & Gas Operator | Nov 1988 |
| 32623 | Williams, Floyd E | | Oil Operator | Dec 2015 |
| 32624 | Williams, H. E. | Houston, TX 77002 | Oil & Gas Operator | Dec 1994 |
| 32625 | Williams, John E | Scottsville, KY 42164 | Oil Operator | Dec 2015 |
| 32626 | Williams, Kenneth O. Jr | | Oil Operator | Nov 2006 |
| 32627 | Williams, M. A. | Houston, TX 77263 | Gas Operator | Sep 2022 |
| 32628 | Williams, Paul H. | Plainville, KS 67663 | Oil Operator | Mar 1987 |
| 32629 | Williams, Paul M. And/Or Judy A. | Leroy, KS 66857 | Oil Operator | Nov 2018 |
| 32630 | Williams, Raymond H.(Deceased) | Sedan, KS 67361 | Oil Operator | Nov 2009 |
| 32631 | Williams, Robert J. | Independence, KS 67301 | Oil Operator | May 2019 |
| 32632 | Williams, W. R. | Amarillo, TX 79105 | Oil & Gas Operator | Jun 2013 |
| 32633 | Williams, W. R., Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Feb 2024 |
| 32634 | Williams-Cody, Inc. | Houston, TX 77060 | Oil & Gas Operator | May 1994 |
| 32635 | Williams-Robinson | | Oil Operator | Mar 1988 |
| 32636 | Williamson & Smitherman | | Oil & Gas Operator | Dec 2008 |
| 32637 | Williamson Gregory L | Skiatook, OK 74070-0028 | Oil & Gas Operator | Mar 2015 |
| 32638 | Williamson Oil & Gas, Inc. | Shreveport, LA 71166 | Oil & Gas Operator | Dec 2024 |
| 32639 | Williamson Oil And Gas LLC | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2024 |
| 32640 | Williamson Operating Co. | Uvalde, TX 78801 | Oil & Gas Operator | Apr 2025 |
| 32641 | Williamson Operating Co., LLC | Stamps, AR 71860 | Oil & Gas Operator | Apr 2025 |
| 32642 | Williamson Ozella | Skiatook, OK 74070 | Oil Operator | Aug 2013 |
| 32643 | Williamson Pumping Ser., Inc. | | Oil Operator | Nov 2024 |
| 32644 | Williamson Pumping Service, Inc | Stamps, AR 71860 | Oil & Gas Operator | Dec 2024 |
| 32645 | Williamson, J. C. | Midland, TX 79701 | Oil & Gas Operator | Jan 2001 |
| 32646 | Williamson, Ralph E. | Midland, TX 79702 | Oil & Gas Operator | Jan 2012 |
| 32647 | Williamson, Richard | Camden, AR 71701 | Oil & Gas Operator | Dec 2024 |
| 32648 | Williford Energy Company | Tulsa, OK 74135 | Oil & Gas Operator | Apr 2025 |
| 32649 | Williford Petroleum, L.L.C. | Green CV SPGS, FL 32043 | Oil & Gas Operator | Apr 2025 |
| 32650 | Williford Resources LLC | Tulsa, OK 74136-1020 | Oil & Gas Operator | Feb 2025 |
| 32651 | Willis Energy | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2009 |
| 32652 | Willis Operating Co. | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 32653 | Williston Basin Cosul-Profit SH | | Oil Operator | Dec 1989 |
| 32654 | Williston Hunter ND, LLC | | Oil & Gas Operator | Mar 2014 |
| 32655 | Williston Industrial Supply Corporation | Williston, ND 58801 | Oil & Gas Operator | Mar 2012 |
| 32656 | Willo Oil & Gas Exploration, LLC | Boerne, TX 78006 | Oil & Gas Operator | Jul 2020 |
| 32657 | Willow Bend Oil LLC | Dallas, TX 75206 | Oil & Gas Operator | Apr 2025 |
| 32658 | Willow Creek Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2009 |
| 32659 | Willow Pipeline Co | Wetherford, OK 73096 | Oil & Gas Operator | Feb 2002 |
| 32660 | Willow Run Corporation | | Oil & Gas Operator | Dec 2021 |
| 32661 | Willow Springs Prod. Serv.,LLC | Kilgore, TX 75663 | Oil & Gas Operator | Aug 1997 |
| 32662 | Willow Springs Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Sep 1999 |
| 32663 | Willowbend Investments, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2025 |
| 32664 | Wills Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 1995 |
| 32665 | Wills Oil Holdings, L.L.C. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |
| 32666 | Willstar Energy GP, LLC | Houston, TX 77279 | Oil & Gas Operator | Sep 2013 |
| 32667 | Wilmar Oil & Gas | Williamstown, WV 26167 | Oil & Gas Operator | Dec 2003 |
| 32668 | Wilmoth Clark Exploration & Prod LLC | Glen Campbell, PA 15742-0159 | Gas Operator | Dec 2008 |
| 32669 | Wilmoth Interests, Inc. | Marion Center, PA 15759 | Oil & Gas Operator | Dec 2024 |
| 32670 | Wilshire Enterprises Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 32671 | Wilshire Oil Co. Of Texas | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2004 |
| 32672 | Wilshire Oil LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Oct 2024 |
| 32673 | Wilson - Owens Production Co. | Longview, TX 75601 | Oil & Gas Operator | Nov 1998 |
| 32674 | Wilson Allen Dewayne | Okemah, OK 74859 | Oil & Gas Operator | Jan 2025 |
| 32675 | Wilson Brothers Leasing Co., Inc | Midland, TX 79705 | Oil & Gas Operator | Mar 2015 |
| 32676 | Wilson Charles B | | Oil & Gas Operator | Dec 1996 |
| 32677 | Wilson Charles R | Durant, OK 74701 | Oil Operator | Nov 2024 |
| 32678 | Wilson Claude And Ila | Loco, OK 73442-9404 | Oil & Gas Operator | Jan 2025 |
| 32679 | Wilson County Holdings LLC | Golden, CO 80403 | Oil Operator | Dec 2024 |
| 32680 | Wilson Energy LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 32681 | Wilson Energy Resources LLC | Graham, TX 76450 | Oil Operator | Apr 2025 |
| 32682 | Wilson Exploration Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 1996 |
| 32683 | Wilson H Drew | Collinsville, OK 74021 | Oil Operator | Dec 2024 |
| 32684 | Wilson Hydrocarbon Inc. | Houston, TX 77066 | Oil & Gas Operator | Apr 2025 |
| 32685 | Wilson Jay - Azog Inc | Malta, OH 43758 | Oil & Gas Operator | Dec 2023 |
| 32686 | Wilson Oil Co. | Houston, TX 77263 | Oil & Gas Operator | Apr 2025 |
| 32687 | Wilson Oil Compa | | Oil Operator | Dec 1986 |
| 32688 | Wilson Oil Properties, LLC | Winfield, KS 67156 | Oil Operator | Nov 2009 |
| 32689 | Wilson Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Apr 2025 |
| 32690 | Wilson Operating Company LLC | Tulsa, OK 74105 | Oil & Gas Operator | Apr 2025 |
| 32691 | Wilson Operating Service Inc | Brownfield, TX 79316 | Oil & Gas Operator | Aug 2003 |
| 32692 | Wilson Petroleum Co. | Springfield, MO 65803 | Oil & Gas Operator | Apr 2025 |
| 32693 | Wilson Petroleum Corp | Westerville, OH 43081 | Oil & Gas Operator | Dec 2000 |
| 32694 | Wilson Production Co Of La,Inc | | Oil & Gas Operator | Apr 1991 |
| 32695 | Wilson Resources, Inc. | Longview, TX 75601 | Oil & Gas Operator | Apr 2025 |
| 32696 | Wilson Richard A | | Oil Operator | Dec 2009 |
| 32697 | Wilson Robert P | | Gas Operator | Dec 1996 |
| 32698 | Wilson W Robert | Pawhuska, OK 74056 | Oil & Gas Operator | Jan 2025 |
| 32699 | Wilson Warren | Goodwell, OK 73939 | Oil Operator | Jan 2025 |
| 32700 | Wilson Well Service | Loco, OK 73442-0114 | Oil & Gas Operator | Mar 2018 |