| 31801 | Wapiti Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2006 |
| 31802 | Wapiti Oil & Gas LLC | Houston, TX 77024 | Oil Operator | Dec 2011 |
| 31803 | Wapiti Operating, LLC | Houston, TX 77043 | Oil & Gas Operator | Apr 2025 |
| 31804 | War Cry, LLC | Russell, KS 67665 | Oil Operator | Dec 2024 |
| 31805 | Warbonnet Exploration Company | Houston, TX 77056 | Oil & Gas Operator | Apr 2016 |
| 31806 | Warcloud Resources LLC | Tulsa, OK 74137-6020 | Oil & Gas Operator | Mar 2021 |
| 31807 | Ward & Son* Alfred | | Oil & Gas Operator | Jun 2023 |
| 31808 | Ward Feed Yard, Inc. | Larned, KS 67550 | Oil & Gas Operator | Mar 2016 |
| 31809 | Ward Gas Marketing Inc | Enid, OK 73702 | Oil & Gas Operator | Sep 2011 |
| 31810 | Ward Kelly | Drumright, OK 74030-5661 | Oil & Gas Operator | Feb 2015 |
| 31811 | Ward M Haggard Oil And Gas Exploration Inc | | Oil Operator | Feb 2025 |
| 31812 | Ward Oil Co. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 31813 | Ward Oil Company An Okla Corp | McAlester, OK 74501 | Oil & Gas Operator | Feb 1993 |
| 31814 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | Jan 2025 |
| 31815 | Ward Trust | Spring, TX 77383 | Oil & Gas Operator | May 2013 |
| 31816 | Ward, Charles Oil Company | Olney, TX 76374 | Oil Operator | Apr 2025 |
| 31817 | Ward, E. B. | Alice, TX 78333 | Oil & Gas Operator | Jun 2001 |
| 31818 | Ward, L. S. | Graham, TX 76450 | Oil & Gas Operator | Jun 2001 |
| 31819 | Ward, Ted G. Jr. | Monahans, TX 79756 | Oil & Gas Operator | Nov 2000 |
| 31820 | Ward-Williston Company | | Oil & Gas Operator | Apr 2014 |
| 31821 | Ward-Williston Drilling Co. | | Oil & Gas Operator | Dec 1994 |
| 31822 | Ware House Industries | Casper, WY 82605 | Oil & Gas Operator | Dec 2013 |
| 31823 | Ware Jimmy M | Seminole, OK 74868 | Oil & Gas Operator | Nov 1998 |
| 31824 | Warfield John E | Cleo Springs, OK 73729-9723 | Oil & Gas Operator | Jul 2005 |
| 31825 | Warfield Management, LLC | Newman, GA 30263 | Gas Operator | Dec 2021 |
| 31826 | Warhorse Oil & Gas, LLC | | Oil & Gas Operator | Dec 2018 |
| 31827 | Warhorse Petroleum Inc | Lafayette, CO 80026 | Oil Operator | Dec 2024 |
| 31828 | Warner Clifford E | Newark, OH 43055 | Oil Operator | Dec 2022 |
| 31829 | Warner George H | Pomeroy, OH 45769 | Oil & Gas Operator | Dec 2014 |
| 31830 | Warner Gona Revocable Trust | Sand Springs, OK 74063-5296 | Oil & Gas Operator | May 2009 |
| 31831 | Warner Oil Co., Inc. | Canyon, TX 79015 | Oil & Gas Operator | May 2013 |
| 31832 | Warner Oil Prod | | Oil Operator | Apr 1995 |
| 31833 | Warner Production LLC | Mannford, OK 74044-6182 | Oil & Gas Operator | Feb 2025 |
| 31834 | Warner Sisters, LLC | Thompsons Sta, TN 37179 | Oil Operator | Apr 2025 |
| 31835 | Warner Ventures Inc | | Oil Operator | Dec 2023 |
| 31836 | Warner, Mark T. Oil Co | Pampa, TX 79065 | Oil & Gas Operator | Jul 2021 |
| 31837 | Warner-Pawel | Alice, TX 78333 | Oil & Gas Operator | Apr 2025 |
| 31838 | Warnock Operating Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2013 |
| 31839 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 31840 | Warrego Oil & Gas LLC | Lander, WY 82520 | Oil Operator | May 2018 |
| 31841 | Warren American Oil Co | Tulsa, OK 74147 | Oil & Gas Operator | Feb 2025 |
| 31842 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Apr 2025 |
| 31843 | Warren Drilling Co | Dexter City, OH 45727 | Oil & Gas Operator | Dec 2023 |
| 31844 | Warren E & P Inc | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
| 31845 | Warren Enterprises Inc | Gillette, WY 82718 | Oil Operator | Dec 2022 |
| 31846 | Warren Producers, Inc. | Bowling Green, KY 42102 | Oil & Gas Operator | Dec 2017 |
| 31847 | Warren Production Services | Caldwell, TX 77836 | Oil & Gas Operator | Apr 2025 |
| 31848 | Warren, Earl T. | San Angelo, TX 76906 | Oil & Gas Operator | Apr 2025 |
| 31849 | Warren, James E. | Arkansas City, KS 67005 | Oil Operator | Nov 2009 |
| 31850 | Warren, Joe H. | Dallas, TX 75206 | Oil & Gas Operator | Oct 2001 |
| 31851 | Warren, Malcolm | Corfu, NY 14036 | Gas Operator | Dec 2023 |
| 31852 | Warrior Exploration & Production LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Jan 2025 |
| 31853 | Warrior Exploration LLC | Sapulpa, OK 74067-1912 | Oil & Gas Operator | Dec 2024 |
| 31854 | Warrior Inc | Hobbs, NM 88241 | Oil & Gas Operator | Feb 1998 |
| 31855 | Warrior Met Coal Gas, LLC | Brookwood, AL 35444 | Gas Operator | Jan 2025 |
| 31856 | Warrior Petroleum Corporation | Henderson, TX 75652 | Oil & Gas Operator | Apr 2024 |
| 31857 | Warrior Resources Inc. | Mexia, TX 76667 | Oil & Gas Operator | Apr 2025 |
| 31858 | Warwick Associates LC | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2025 |
| 31859 | Warwick Oil & Gas, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 1993 |
| 31860 | Warwick Oil Corp. | | Oil & Gas Operator | Mar 1990 |
| 31861 | Warwick-Artemis, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Apr 2025 |
| 31862 | Warwick-Bacchus LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2025 |
| 31863 | Warwick-Jupiter LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2025 |
| 31864 | Warwick-Minerva LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2025 |
| 31865 | Wasatch Energy Inc | Salt Lake City, UT 84108 | Gas Operator | Jul 1992 |
| 31866 | Wasatch Oil & Gas Corp | Farmington, UT 84025-0699 | Oil & Gas Operator | Mar 2002 |
| 31867 | Wash, Robert C. | Forsan, TX 79733 | Oil & Gas Operator | Nov 2000 |
| 31868 | Wash, Robert C. Inc. | Forsan, TX 79733 | Oil & Gas Operator | Apr 2025 |
| 31869 | Washakie Energies Company | Worland, WY 82401 | Oil & Gas Operator | Dec 2019 |
| 31870 | Washakie Oil Company | | Oil & Gas Operator | Dec 1989 |
| 31871 | Washburn Lee | Newcastle, WY 82701 | Oil Operator | Jan 2025 |
| 31872 | Washington Energy Co LLC | Canonsburg, PA 15317-0400 | Oil & Gas Operator | Dec 2024 |
| 31873 | Washington Energy Exploration | | Oil & Gas Operator | Dec 1997 |
| 31874 | Washita Energy Inc | Pauls Valley, OK 73075-0923 | Oil & Gas Operator | Mar 2015 |
| 31875 | Washita Oil And Gas, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 31876 | Washita Production Company | Tulsa, OK 74136 | Oil & Gas Operator | May 2006 |
| 31877 | Wassom, Claude J | | Oil & Gas Operator | May 2013 |
| 31878 | Wasson Billy C | Morris, OK 74445-2721 | Oil & Gas Operator | Jan 2025 |
| 31879 | Waste TRMT Corp | Washington, PA 15301-0558 | Oil & Gas Operator | Dec 2024 |
| 31880 | Wat Khmer Temple* | | Oil Operator | Dec 2003 |
| 31881 | Watchtower Petroleum, LLC | | Oil & Gas Operator | Feb 2025 |
| 31882 | Watco Energy | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2025 |
| 31883 | Watco Energy, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Apr 1996 |
| 31884 | Water Works Engineering, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jan 1998 |
| 31885 | Waterbridge Arkoma Operating LLC | Houston, TX 77056 | Oil Operator | Feb 2025 |
| 31886 | Waterbridge Texas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2025 |
| 31887 | Waterco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 31888 | Waterford Energy Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 1998 |
| 31889 | Waterford Production Co | | Oil Operator | Oct 1992 |
| 31890 | Waterloo Exploration LLC | Tulsa, OK 74136-4226 | Gas Operator | Jan 2025 |
| 31891 | Waters Eng. & Operating, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Sep 2013 |
| 31892 | Waters Petroleum | Albany, TX 76430 | Oil & Gas Operator | Aug 2016 |
| 31893 | Watertech Disposal | Enid, OK 73702-0125 | Oil Operator | Sep 2007 |
| 31894 | Watertech Disposal LLC | Enid, OK 73702 | Oil Operator | Dec 2011 |
| 31895 | Watkins J L | Henryetta, OK 74437 | Oil & Gas Operator | Jan 2025 |
| 31896 | Watkins Joe L | Boynton, OK 74422 | Oil & Gas Operator | Mar 2015 |
| 31897 | Watkins Oil Company | Claremore, OK 74017 | Oil & Gas Operator | May 2018 |
| 31898 | Watkins Paul | Bixby, OK 74008-4018 | Oil & Gas Operator | Jun 2004 |
| 31899 | Watkins Production Company | Dallas, TX 75229 | Oil & Gas Operator | Feb 2008 |
| 31900 | Watkins, J. B. | Borger, TX 79007 | Oil & Gas Operator | May 2009 |