| 32001 | Widrig Donald N | | Oil Operator | May 1988 |
| 32002 | Widrig Oil LLC | Leawood, KS 66209 | Oil Operator | Feb 2025 |
| 32003 | Widrig, Don | Leawood, KS 66209 | Oil Operator | Jul 2008 |
| 32004 | Wieck Oil Company LLC | Cromwell, OK 74859 | Oil Operator | Aug 2014 |
| 32005 | Wiedemann K T TR | | Oil Operator | Jul 1992 |
| 32006 | Wiepking-Fullerton Energy LLC | | Oil & Gas Operator | Mar 2025 |
| 32007 | Wieser Oil LLC | | Oil & Gas Operator | Dec 2024 |
| 32008 | Wiesner, Roman L. | Ellis, KS 67637 | Oil Operator | Dec 1993 |
| 32009 | Wiesner, Tom Oil Operations | Hays, KS 67601 | Gas Operator | Feb 2025 |
| 32010 | Wigington, James Robert | Ackerly, TX 79713 | Oil & Gas Operator | Aug 2003 |
| 32011 | Wigner, David H Jr | Franklin, KY 42134 | Oil Operator | Dec 2023 |
| 32012 | Wikel, David W | | Oil Operator | Jan 2025 |
| 32013 | Wil-Mar Operations | Duncan, OK 73534-1566 | Oil & Gas Operator | Oct 2016 |
| 32014 | Wil-Max Co. | Kingman, KS 67068 | Oil Operator | Jul 2001 |
| 32015 | Wil-MC Oil Corporation The | Irving, TX 75015-2510 | Oil & Gas Operator | Mar 1999 |
| 32016 | Wil-Ron Inc | Lucien, OK 73757-9710 | Oil & Gas Operator | Feb 2025 |
| 32017 | Wilbanks Energy Corporation | Houston, TX 77036 | Oil & Gas Operator | Dec 2001 |
| 32018 | Wilbanks Exploration Inc | Denver, CO 80202 | Oil & Gas Operator | May 2002 |
| 32019 | Wilbanks Reserve Corporation | Denver, CO 80203 | Oil & Gas Operator | Jun 2025 |
| 32020 | Wilbanks, Bruce & G.L. | Midland, TX 79702 | Oil & Gas Operator | Aug 1996 |
| 32021 | Wilbanks, Bruce A. | Midland, TX 79701 | Oil & Gas Operator | Aug 1996 |
| 32022 | Wilbanks, Bruce A. Company | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 32023 | Wilbrook Exploration, Inc. | Lingleville, TX 76461 | Oil & Gas Operator | Aug 2003 |
| 32024 | Wilburn Wolfe L | Erie, PA 16506-5039 | Gas Operator | Dec 2000 |
| 32025 | Wilchar, DR. R. B. | Fort Worth, TX 76185 | Oil & Gas Operator | Jan 2007 |
| 32026 | Wilco Oil & Gas Corporation | Oklahoma City, OK 73159-6229 | Oil & Gas Operator | Dec 2023 |
| 32027 | Wilco Oil Gas & Expl. Corp. | | Oil & Gas Operator | Mar 1979 |
| 32028 | Wilco Operating | Monahans, TX 79756 | Oil & Gas Operator | Jun 2025 |
| 32029 | Wilco Properties, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Jan 2004 |
| 32030 | Wilco-Placentia Oil Operator LLC | | Oil & Gas Operator | Apr 2025 |
| 32031 | Wilcobill Corporation | | Oil Operator | Dec 1986 |
| 32032 | Wilcox Energy Company | | Oil & Gas Operator | Mar 2025 |
| 32033 | Wilcox Energy Company LLC | Rule, TX 79547 | Oil & Gas Operator | Jun 2025 |
| 32034 | Wilcox Oil Company | Rule, TX 79547 | Oil & Gas Operator | Aug 2008 |
| 32035 | Wilcox Oil, LLC | Wichita, KS 67235 | Oil Operator | Dec 2019 |
| 32036 | Wilcox Operating Company | | Oil Operator | Dec 1989 |
| 32037 | Wilcox Operating Corporation | Shreveport, LA 71115 | Oil & Gas Operator | Jun 2025 |
| 32038 | Wilcox Petroleum Operating LLC. | Rule, TX 79547 | Oil & Gas Operator | Jun 2025 |
| 32039 | Wilcox Pipe & Supply Co | Oklahoma City, OK 73189 | Oil & Gas Operator | May 2006 |
| 32040 | Wilcox Ventures, LLC | | Oil & Gas Operator | Mar 2025 |
| 32041 | Wilcoxson Brothers | Terral, OK 73569 | Oil Operator | Mar 2008 |
| 32042 | Wild Cat Operating Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
| 32043 | Wild Goose Storage LLC | | Gas Operator | Apr 2025 |
| 32044 | Wild Horse Energy | Paducah, TX 79248 | Oil & Gas Operator | Jun 2025 |
| 32045 | Wild Outdoors Oil LLC | Duncan, OK 73533 | Oil & Gas Operator | Mar 2025 |
| 32046 | Wildcat Cement Co. | Shamrock, TX 79079 | Oil & Gas Operator | May 2015 |
| 32047 | Wildcat Energy, Inc. | Sedan, KS 67361 | Oil Operator | Feb 2001 |
| 32048 | Wildcat Energy, LLC | Odessa, TX 79768 | Oil & Gas Operator | Jul 2021 |
| 32049 | Wildcat Equipment Co. Inc. | | Oil Operator | Dec 1987 |
| 32050 | Wildcat Exploration, LLC | Glasgow, KY 42141 | Oil Operator | Dec 2023 |
| 32051 | Wildcat Midstream Caddo LLC | | Oil Operator | May 2017 |
| 32052 | Wildcat Oil & Gas LLC | Seneca, KS 66538 | Oil & Gas Operator | Feb 2025 |
| 32053 | Wildcat Oil, LLC | Sebree, KY 42455 | Oil Operator | Dec 2021 |
| 32054 | Wildcat Resc Inc | | Oil & Gas Operator | Nov 1992 |
| 32055 | Wildcat Resources | | Oil & Gas Operator | Jun 2016 |
| 32056 | Wildcat Well Services, LTD. | | Oil Operator | Oct 1989 |
| 32057 | Wildco Resources, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Jun 2025 |
| 32058 | Wilde, Henry & Janet | Union Springs, NY 13160 | Gas Operator | Dec 2023 |
| 32059 | Wildfire Energy Operating LLC | Houston, TX 77224 | Oil & Gas Operator | Jun 2025 |
| 32060 | Wildfire Oil & Gas, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2014 |
| 32061 | Wildfire Partners Inc | Ardmore, OK 73402 | Oil & Gas Operator | Dec 2009 |
| 32062 | Wildhorse Oil | Bogue, KS 67625 | Oil Operator | Oct 1994 |
| 32063 | Wildhorse Oil & Gas Corporation | Ardmore, OK 73402 | Oil & Gas Operator | May 2019 |
| 32064 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Jun 2025 |
| 32065 | Wildhorse Resources Management Co, LLC | | Oil & Gas Operator | Feb 2018 |
| 32066 | Wildhorse Resources MNGT Co, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2019 |
| 32067 | Wildhorse Resources, LLC | Houston, TX 77279 | Oil & Gas Operator | Feb 2015 |
| 32068 | Wildrose Resources Corp | Englewood, CO 80110-6007 | Oil & Gas Operator | Mar 2004 |
| 32069 | Wildwood Operating LLC | Hennessey, OK 73742-7711 | Oil & Gas Operator | Feb 2025 |
| 32070 | Wiley Lease Co., LTD. | Jourdanton, TX 78026 | Oil Operator | Jun 2025 |
| 32071 | Wilham Investments, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Jan 2020 |
| 32072 | Wilhelm, Robert V | Russellville, KY 42276 | Gas Operator | Dec 2023 |
| 32073 | Wilhite Productions | MC Dade, TX 78650 | Oil & Gas Operator | Oct 2012 |
| 32074 | Wilkerson Oil Company | | Oil Operator | Dec 1991 |
| 32075 | Wilkes Energy Inc | Akron, OH 44308 | Oil & Gas Operator | Dec 2022 |
| 32076 | Wilkins L L E & O Company | Shawnee, OK 74801 | Oil & Gas Operator | Aug 2018 |
| 32077 | Wilkinson Drilli | | Oil Operator | Dec 1991 |
| 32078 | Wilkinson Energy LLC | Dodgeville, WI 53533 | Oil Operator | Jan 2025 |
| 32079 | Wilkinson George R | St Augustine, FL 32080-5352 | Oil & Gas Operator | Jun 2011 |
| 32080 | Wilkinson Oil & Gas LLC | Duncan, OK 73533-2048 | Oil Operator | Feb 2025 |
| 32081 | Wilkison Richard W | Oklahoma City, OK 73107 | Oil Operator | Mar 2011 |
| 32082 | Will Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Feb 2025 |
| 32083 | Will Haristy, Jr. | | Oil & Gas Operator | Nov 2024 |
| 32084 | Will McCasland Ind | Hobbs, NM 88240 | Gas Operator | Feb 2008 |
| 32085 | Will-Drill Operating, L.L.C. | Shreveport, LA 71105 | Oil & Gas Operator | Jun 2025 |
| 32086 | Will-Drill Production Co., Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jun 2025 |
| 32087 | Willa Mae Overman LLC | Ponca City, OK 74601-9451 | Oil & Gas Operator | Aug 2023 |
| 32088 | Willard M Cline | Bradford, PA 16701-1715 | Oil & Gas Operator | Dec 2022 |
| 32089 | Willard Pease Drilling Co | Grand Junction, CO 81501 | Oil & Gas Operator | Dec 1983 |
| 32090 | Willey George | Newark, OH 43058-572-572 | Oil & Gas Operator | Dec 2024 |
| 32091 | William B Renfro LLC | | Oil Operator | Dec 2020 |
| 32092 | William C Bahlburg | Dallas, TX 75240 | Oil & Gas Operator | Dec 1994 |
| 32093 | William D. Pittman | | Oil & Gas Operator | Jun 1991 |
| 32094 | William F. Powell | | Oil & Gas Operator | Jun 1979 |
| 32095 | William Fleming Productions, LLC | Wichita Falls, TX 76305 | Oil Operator | Feb 2025 |
| 32096 | William G Bush | Grand Junction, CO 81506 | Oil & Gas Operator | Jun 2012 |
| 32097 | William G Smith Oil, LLC | Osawatomie, KS 66064 | Oil Operator | Apr 2014 |
| 32098 | William Herbert Hunt | | Oil & Gas Operator | Mar 1986 |
| 32099 | William K. Barker & Associates | | Oil & Gas Operator | Dec 1986 |
| 32100 | William L Horner Energy | Oliveburg, PA 15764-8411 | Gas Operator | Dec 2014 |