| 30801 | Washburn Lee | Newcastle, WY 82701 | Oil Operator | Jan 2025 |
| 30802 | Washington Energy Co LLC | Canonsburg, PA 15317-0400 | Oil & Gas Operator | Dec 2024 |
| 30803 | Washington Energy Exploration | | Oil & Gas Operator | Dec 1997 |
| 30804 | Washita Energy Inc | Pauls Valley, OK 73075-0923 | Oil & Gas Operator | Mar 2015 |
| 30805 | Washita Oil And Gas, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 30806 | Washita Production Company | Tulsa, OK 74136 | Oil & Gas Operator | May 2006 |
| 30807 | Wassom, Claude J | | Oil & Gas Operator | May 2013 |
| 30808 | Wasson Billy C | Morris, OK 74445 | Oil & Gas Operator | Jun 2026 |
| 30809 | Waste TRMT Corp | Washington, PA 15301-0558 | Oil & Gas Operator | Dec 2024 |
| 30810 | Wat Khmer Temple* | | Oil Operator | Dec 2003 |
| 30811 | Watchorn Energy Operations LLC | Broken Arrow, OK 74014 | Oil Operator | Jun 2026 |
| 30812 | Watchtower Petroleum LLC | | Oil & Gas Operator | Jun 2025 |
| 30813 | Watco Energy | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2026 |
| 30814 | Watco Energy, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Apr 1996 |
| 30815 | Water Works Engineering, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jan 1998 |
| 30816 | Waterbridge Arkoma Operating LLC | Houston, TX 77056 | Oil Operator | Jun 2026 |
| 30817 | Waterbridge Texas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2026 |
| 30818 | Waterco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 30819 | Waterford Energy Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 1998 |
| 30820 | Waterford Production Co | | Oil Operator | Oct 1992 |
| 30821 | Waterloo Exploration LLC | Tulsa, OK 74136-4226 | Gas Operator | Jun 2026 |
| 30822 | Waters Eng. & Operating, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Sep 2013 |
| 30823 | Waters Petroleum | Albany, TX 76430 | Oil & Gas Operator | Aug 2016 |
| 30824 | Watertech Disposal | Enid, OK 73702-0125 | Oil Operator | Sep 2007 |
| 30825 | Watkins J L | Henryetta, OK 74437 | Oil & Gas Operator | Jul 2026 |
| 30826 | Watkins Joe L | Boynton, OK 74422 | Oil & Gas Operator | Mar 2015 |
| 30827 | Watkins Oil Company | Claremore, OK 74017 | Oil & Gas Operator | May 2018 |
| 30828 | Watkins Paul | Bixby, OK 74008-4018 | Oil & Gas Operator | Jun 2004 |
| 30829 | Watkins Production Company | Dallas, TX 75229 | Oil & Gas Operator | Feb 2008 |
| 30830 | Watkins, J. B. | Borger, TX 79007 | Oil & Gas Operator | May 2009 |
| 30831 | Watson Energy Investments, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2026 |
| 30832 | Watson Energy, L.L.C. | | Oil & Gas Operator | Jun 2005 |
| 30833 | Watson Fred S Revocable Trust | Muskogee, OK 74402-1928 | Oil Operator | Nov 2017 |
| 30834 | Watson Oil & Gas Co. | Gorman, TX 76454 | Oil & Gas Operator | Jan 2002 |
| 30835 | Watson Oil & Gas Corp. | | Oil Operator | Aug 1994 |
| 30836 | Watson Oil & Gas, Inc. | Spicewood, TX 78669 | Oil & Gas Operator | Sep 2026 |
| 30837 | Watson Oil Corporation | | Oil & Gas Operator | Jun 1981 |
| 30838 | Watson Operating Company | Pampa, TX 79066 | Oil & Gas Operator | Dec 2003 |
| 30839 | Watson Packer Employee Fund | Monahans, TX 79756 | Oil & Gas Operator | Sep 2026 |
| 30840 | Watson Petroleum | | Oil & Gas Operator | Feb 1990 |
| 30841 | Watson Petroleum Inc | Wichita, KS 67208 | Oil & Gas Operator | May 2010 |
| 30842 | Watson Wayne W | Cambridge, OH 43725-3024 | Oil & Gas Operator | Dec 2002 |
| 30843 | Watson, B. G. Oil Field Salv Inc | Coleman, TX 76834 | Oil & Gas Operator | Mar 2000 |
| 30844 | Watson, Ben | Blue Mound, KS 66010 | Oil Operator | Oct 2008 |
| 30845 | Watt Energy, LLC | Port Barre, LA 70577 | Oil & Gas Operator | Sep 2026 |
| 30846 | Watt Larry | Copan, OK 74022 | Oil Operator | Oct 2019 |
| 30847 | Watt Mineral Holdings LLC | | Oil Operator | Dec 2025 |
| 30848 | Watt, Larry D | | Oil Operator | Aug 2024 |
| 30849 | Wattles, Richard F. | Colden, NY 14033 | Gas Operator | Dec 2025 |
| 30850 | Watts And Hill Oil Company | | Oil Operator | Sep 1995 |
| 30851 | Watts Keith | Bristow, OK 74010-4996 | Oil Operator | Jun 2026 |
| 30852 | Watts Oil And Gas | Hardtner, KS 67057 | Oil Operator | Apr 2006 |
| 30853 | Watts Tank Truck Service, Inc. | Hamilton, KS 66853 | Oil Operator | Mar 2026 |
| 30854 | Watts, J R | | Oil Operator | Dec 2009 |
| 30855 | Watusi Energy LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 30856 | Wausau Development Corporation | Laurel, MS 39440 | Oil & Gas Operator | Sep 2019 |
| 30857 | Wave Energy LLC | Jennings, OK 74038 | Oil Operator | Jun 2026 |
| 30858 | Wave Petroleum Operating LLC | Denver, CO 80202 | Oil & Gas Operator | Jul 2026 |
| 30859 | Wavefront Energy & Envir Serv USA Inc | Edmonton, AB T6B3P6 | Oil Operator | Apr 2015 |
| 30860 | Wavepoint Realty Ny, LLC | North East, PA 16428 | Gas Operator | Dec 2025 |
| 30861 | Wavetech Helium Inc | | Gas Operator | May 2026 |
| 30862 | Way Drilling Com | | Oil & Gas Operator | Mar 1993 |
| 30863 | Way, Ralph L., Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 30864 | Wayland Drilling & Explr., Inc. | Grapevine, TX 76099 | Oil & Gas Operator | Apr 2006 |
| 30865 | Waylander LLC | Plano, TX 75025 | Oil & Gas Operator | Sep 2026 |
| 30866 | Wayman W. Buchanan | | Oil & Gas Operator | Feb 1986 |
| 30867 | Waymar Oil & Gas Company | Texarkana, TX 75503 | Oil & Gas Operator | Jan 2007 |
| 30868 | Wayne Ballinger | | Oil & Gas Operator | Dec 2000 |
| 30869 | Wayne E. Glenn Associates, Inc. | Dickinson, TX 77539 | Oil & Gas Operator | Jan 2016 |
| 30870 | Wayne Gas Company | | Gas Operator | Dec 2015 |
| 30871 | Wayne Hammond Enterprises Inc | Bolivar, OH 44612 | Oil & Gas Operator | Dec 2025 |
| 30872 | Wayne Head | Artesia, NM 88210 | Oil & Gas Operator | Apr 2009 |
| 30873 | Wayne J. Spears | | Oil & Gas Operator | Sep 2005 |
| 30874 | Wayne Moore | Midland, TX 79701 | Oil & Gas Operator | May 1997 |
| 30875 | Wayside LTD | | Oil & Gas Operator | Jan 2015 |
| 30876 | Wayside Prod Com | | Oil Operator | May 1984 |
| 30877 | WB Mullin Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 30878 | WB Prod MGMT Co | | Oil & Gas Operator | Dec 2020 |
| 30879 | WBH Energy Partners LLC | Austin, TX 78703 | Oil & Gas Operator | Sep 2026 |
| 30880 | Wbi Energy Transmission, Inc. | Glendive, MT 59330-0131 | Gas Operator | Nov 1999 |
| 30881 | Wbi Production, Inc. | Glendive, MT 59330-0131 | Gas Operator | Mar 2001 |
| 30882 | WBM Enterprises | Creekside, PA 15732-8228 | Oil & Gas Operator | Dec 2025 |
| 30883 | WBR, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 1995 |
| 30884 | WCC Energy Group LLC | | Oil & Gas Operator | Dec 2024 |
| 30885 | Wce Corporation | Billings, MT 59102 | Oil Operator | Jul 1997 |
| 30886 | WCS Oil & Gas Corporation | Dallas, TX 75209 | Oil & Gas Operator | Aug 2021 |
| 30887 | WCT Leasing Co. | Austin, TX 78734 | Oil & Gas Operator | Apr 2019 |
| 30888 | WCWB Energy, LLC | Midland, TX 79701 | Oil Operator | Sep 2015 |
| 30889 | WD Oil Company I | | Oil Operator | Apr 1986 |
| 30890 | We Energy LLC | Columbus, OH 43229 | Oil Operator | Dec 2020 |
| 30891 | Weakland Investments, Inc. | Denver, CO 80215 | Oil & Gas Operator | Sep 2026 |
| 30892 | Weal DRLG Co, Inc | Madisonville, KY 42431 | Oil & Gas Operator | Dec 2023 |
| 30893 | Weatherly Nell M Estate | Ada, OK 74821-0669 | Oil & Gas Operator | Feb 1997 |
| 30894 | Weatherly Oil & Gas, LLC | Dallas, TX 75206 | Oil & Gas Operator | Sep 2026 |
| 30895 | Weathers Exploration, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Sep 2026 |
| 30896 | Weathersby Oil Co. | | Oil Operator | Oct 2001 |
| 30897 | Weatherston, George D. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2001 |
| 30898 | Weaver & Mola | | Oil Operator | Dec 1990 |
| 30899 | Weaver & Sharp | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Mar 1997 |
| 30900 | Weaver & Weaver | | Oil & Gas Operator | Dec 1988 |