| 31901 | Wild Outdoors Oil LLC | Duncan, OK 73533 | Oil & Gas Operator | May 2025 |
| 31902 | Wildcat Cement Co. | Shamrock, TX 79079 | Oil & Gas Operator | May 2015 |
| 31903 | Wildcat Energy, Inc. | Sedan, KS 67361 | Oil Operator | Feb 2001 |
| 31904 | Wildcat Energy, LLC | Odessa, TX 79768 | Oil & Gas Operator | Jul 2021 |
| 31905 | Wildcat Equipment Co. Inc. | | Oil Operator | Dec 1987 |
| 31906 | Wildcat Exploration, LLC | Glasgow, KY 42141 | Oil Operator | Dec 2023 |
| 31907 | Wildcat Midstream Caddo LLC | | Oil Operator | May 2017 |
| 31908 | Wildcat Oil & Gas LLC | Seneca, KS 66538 | Oil & Gas Operator | Mar 2025 |
| 31909 | Wildcat Oil, LLC | Sebree, KY 42455 | Oil Operator | Dec 2021 |
| 31910 | Wildcat Resc Inc | | Oil & Gas Operator | Nov 1992 |
| 31911 | Wildcat Resources | | Oil & Gas Operator | Jun 2016 |
| 31912 | Wildcat Well Services, LTD. | | Oil Operator | Oct 1989 |
| 31913 | Wildco Resources, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Jul 2025 |
| 31914 | Wilde, Henry & Janet | Union Springs, NY 13160 | Gas Operator | Dec 2024 |
| 31915 | Wildfire Energy Operating LLC | Houston, TX 77224 | Oil & Gas Operator | Jul 2025 |
| 31916 | Wildfire Oil & Gas, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2014 |
| 31917 | Wildfire Partners Inc | Ardmore, OK 73402 | Oil & Gas Operator | Dec 2009 |
| 31918 | Wildhorse Oil | Bogue, KS 67625 | Oil Operator | Oct 1994 |
| 31919 | Wildhorse Oil & Gas Corporation | Ardmore, OK 73402 | Oil & Gas Operator | May 2019 |
| 31920 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Jul 2025 |
| 31921 | Wildhorse Resources Management Co, LLC | | Oil & Gas Operator | Feb 2018 |
| 31922 | Wildhorse Resources MNGT Co, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2019 |
| 31923 | Wildhorse Resources, LLC | Houston, TX 77279 | Oil & Gas Operator | Feb 2015 |
| 31924 | Wildrose Resources Corp | Englewood, CO 80110-6007 | Oil & Gas Operator | Mar 2004 |
| 31925 | Wildwood Operating LLC | Hennessey, OK 73742-7711 | Oil & Gas Operator | Apr 2025 |
| 31926 | Wiley Lease Co., LTD. | Jourdanton, TX 78026 | Oil Operator | Jul 2025 |
| 31927 | Wilham Investments, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Jan 2020 |
| 31928 | Wilhite Productions | MC Dade, TX 78650 | Oil & Gas Operator | Oct 2012 |
| 31929 | Wilkerson Oil Company | | Oil Operator | Dec 1991 |
| 31930 | Wilkes Energy Inc | Akron, OH 44308 | Oil & Gas Operator | Dec 2022 |
| 31931 | Wilkins L L E & O Company | Shawnee, OK 74801 | Oil & Gas Operator | Aug 2018 |
| 31932 | Wilkinson Drilli | | Oil Operator | Dec 1991 |
| 31933 | Wilkinson George R | St Augustine, FL 32080-5352 | Oil & Gas Operator | Jun 2011 |
| 31934 | Wilkinson Oil & Gas LLC | Duncan, OK 73533-2048 | Oil Operator | Apr 2025 |
| 31935 | Wilkison Richard W | Oklahoma City, OK 73107 | Oil Operator | Mar 2011 |
| 31936 | Will Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Apr 2025 |
| 31937 | Will Haristy, Jr. | | Oil & Gas Operator | Nov 2024 |
| 31938 | Will McCasland Ind | Hobbs, NM 88240 | Gas Operator | Feb 2008 |
| 31939 | Will-Drill Operating, L.L.C. | Shreveport, LA 71105 | Oil & Gas Operator | Jul 2025 |
| 31940 | Will-Drill Production Co., Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jul 2025 |
| 31941 | Willa Mae Overman LLC | Ponca City, OK 74601-9451 | Oil & Gas Operator | Aug 2023 |
| 31942 | Willard M Cline | Bradford, PA 16701-1715 | Oil & Gas Operator | Dec 2022 |
| 31943 | Willard Pease Drilling Co | Grand Junction, CO 81501 | Oil & Gas Operator | Dec 1983 |
| 31944 | Willey George | Newark, OH 43058 | Oil & Gas Operator | Dec 2024 |
| 31945 | William B Renfro LLC | | Oil Operator | Dec 2020 |
| 31946 | William C Bahlburg | Dallas, TX 75240 | Oil & Gas Operator | Dec 1994 |
| 31947 | William D. Pittman | | Oil & Gas Operator | Jun 1991 |
| 31948 | William F. Powell | | Oil & Gas Operator | Jun 1979 |
| 31949 | William Fleming Productions, LLC | Wichita Falls, TX 76305 | Oil Operator | Feb 2025 |
| 31950 | William G Bush | Grand Junction, CO 81506 | Oil & Gas Operator | Jun 2012 |
| 31951 | William G Smith Oil, LLC | Osawatomie, KS 66064 | Oil Operator | Apr 2014 |
| 31952 | William Herbert Hunt | | Oil & Gas Operator | Mar 1986 |
| 31953 | William K. Barker & Associates | | Oil & Gas Operator | Dec 1986 |
| 31954 | William L Horner Energy | Oliveburg, PA 15764-8411 | Gas Operator | Dec 2014 |
| 31955 | William Lagnion | | Oil & Gas Operator | Aug 1998 |
| 31956 | William M Mauersberg | Sigel, PA 15860-2402 | Oil & Gas Operator | Dec 2009 |
| 31957 | William M. Williams | | Oil Operator | May 2018 |
| 31958 | William Marvin Hobbs, SR. | | Oil Operator | Aug 2002 |
| 31959 | William McIntire Coal Oil & Gas | Shelocta, PA 15774-0171 | Oil & Gas Operator | May 2022 |
| 31960 | William S Miller Inc | Hanoverton, OH 44423 | Oil & Gas Operator | Dec 2024 |
| 31961 | William Southwell & Son Oil LLC | Warren, PA 16365 | Oil & Gas Operator | Dec 2024 |
| 31962 | Williams Brothers Engineering Company | Tulsa, OK 74134-5885 | Oil & Gas Operator | May 2013 |
| 31963 | Williams Dale | Konawa, OK 74849-9211 | Oil Operator | Apr 2025 |
| 31964 | Williams Dale And Dorothy Family Trust | Maud, OK 74854-2011 | Oil & Gas Operator | Apr 2025 |
| 31965 | Williams Deville Operating, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Jul 2025 |
| 31966 | Williams Doyle Dba BCF Gas | Tulsa, OK 74114-7099 | Oil & Gas Operator | Jul 2023 |
| 31967 | Williams Exploration Company | | Oil & Gas Operator | Dec 1986 |
| 31968 | Williams Gas Pipeline Central, Inc. | Shawnee Mission, KS 66215 | Oil Operator | Sep 2010 |
| 31969 | Williams Inc | | Oil Operator | Dec 2019 |
| 31970 | Williams Jack W | Ardmore, OK 73401-4726 | Oil Operator | Feb 2017 |
| 31971 | Williams Kidd Drilling Corp | Claremore, OK 74017-0846 | Oil Operator | Jun 2013 |
| 31972 | Williams M H | Red Rock, OK 74651-0311 | Oil & Gas Operator | May 2023 |
| 31973 | Williams Oil Company | Midland, TX 79710 | Oil & Gas Operator | Jul 2025 |
| 31974 | Williams Operating Company LLC | Duncan, OK 73533 | Oil Operator | Apr 2025 |
| 31975 | Williams Petroleum Company, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2025 |
| 31976 | Williams Pressure Service Co. | | Oil Operator | Sep 1985 |
| 31977 | Williams Prod. Gulf Coast, L.P. | Benbrook, TX 76126 | Oil & Gas Operator | Jan 2012 |
| 31978 | Williams Producing Co | | Oil & Gas Operator | May 2025 |
| 31979 | Williams Production RMT Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2010 |
| 31980 | Williams Refractories Inc | Cushing, OK 74023 | Oil & Gas Operator | Feb 2015 |
| 31981 | Williams Reid Oil Co | Dallas, TX 75234 | Oil & Gas Operator | Apr 2025 |
| 31982 | Williams Robert | | Oil & Gas Operator | Apr 1995 |
| 31983 | Williams Roger F | Tulsa, OK 74152-0951 | Oil & Gas Operator | May 2013 |
| 31984 | Williams Royce S | Healdton, OK 73438-0306 | Oil & Gas Operator | Apr 2014 |
| 31985 | Williams Ted H | | Oil & Gas Operator | Dec 2008 |
| 31986 | Williams Well Surveys Inc. | | Oil & Gas Operator | Dec 1996 |
| 31987 | Williams, A. Oil | Wichita Falls, TX 76308 | Oil Operator | Jul 2025 |
| 31988 | Williams, Clayton Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | Jul 2025 |
| 31989 | Williams, Clayton Energy, L.L.C | Midland, TX 79705 | Oil & Gas Operator | May 1993 |
| 31990 | Williams, Clayton W., Jr. | | Oil & Gas Operator | Jun 1989 |
| 31991 | Williams, Clayton W., Jr., Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2008 |
| 31992 | Williams, Cynthia L. | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 31993 | Williams, Donald M. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 31994 | Williams, Doyle | | Oil & Gas Operator | Apr 2025 |
| 31995 | Williams, E. L. | Emporia, KS 66801 | Oil & Gas Operator | Nov 1988 |
| 31996 | Williams, Floyd E | | Oil Operator | Dec 2015 |
| 31997 | Williams, H. E. | Houston, TX 77002 | Oil & Gas Operator | Dec 1994 |
| 31998 | Williams, John E | Scottsville, KY 42164 | Oil Operator | Dec 2015 |
| 31999 | Williams, Kenneth O. Jr | | Oil Operator | Nov 2006 |
| 32000 | Williams, M. A. | Houston, TX 77263 | Gas Operator | Feb 2025 |