| 30801 | Walter T. Lanaux | | Oil & Gas Operator | Nov 1990 |
| 30802 | Walter W. Heard, Jr. | | Oil & Gas Operator | Dec 1995 |
| 30803 | Walters Drilling | | Oil Operator | Mar 1988 |
| 30804 | Walters Frank | Pernell, OK 73076 | Oil & Gas Operator | Sep 2014 |
| 30805 | Walters Oil Company | Elmore City, OK 73433-9505 | Oil & Gas Operator | Mar 2026 |
| 30806 | Walters Oil LLC | Elmore City, OK 73433-8637 | Oil Operator | Apr 2020 |
| 30807 | Walters Oil Well Service Inc | Walters, OK 73572-0467 | Oil & Gas Operator | Nov 2000 |
| 30808 | Walters Production | | Oil Operator | Mar 2005 |
| 30809 | Walterscheid, A. D. | Muenster, TX 76252 | Oil & Gas Operator | Dec 2014 |
| 30810 | Walterscheid, R. F. | Muenster, TX 76252 | Oil & Gas Operator | Oct 1993 |
| 30811 | Waltman Family LP | Maud, OK 74854-2603 | Oil Operator | Apr 2026 |
| 30812 | Waltman Oil & Gas | Maud, OK 74854-9739 | Oil Operator | Sep 2001 |
| 30813 | Walton Producing Company | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2005 |
| 30814 | Walton Producing Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2026 |
| 30815 | Walton Properties LTD. | Midland, TX 79702 | Oil & Gas Operator | Feb 2004 |
| 30816 | Walton, James A. | Midland, TX 79702 | Oil & Gas Operator | Oct 1994 |
| 30817 | Walton, Tara | Copan, OK 74022 | Oil Operator | Feb 2026 |
| 30818 | Walton, W. W. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 1994 |
| 30819 | Wam Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Dec 2016 |
| 30820 | Wandering Star Partners #1 LLLP | | Oil & Gas Operator | Apr 2015 |
| 30821 | Wandoo Energy, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Dec 2025 |
| 30822 | Wandover Charles T SR | Inverness, FL 34452-7527 | Oil & Gas Operator | Dec 2025 |
| 30823 | Wapi Operating LLC | McCurtain, OK 74944 | Oil & Gas Operator | Apr 2026 |
| 30824 | Wapiti Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2006 |
| 30825 | Wapiti Oil & Gas LLC | Houston, TX 77024 | Oil Operator | Dec 2011 |
| 30826 | Wapiti Operating, LLC | Houston, TX 77043 | Oil & Gas Operator | Jul 2026 |
| 30827 | Wapiti Petroleum, LLC | | Oil & Gas Operator | Mar 2026 |
| 30828 | War Cry, LLC | Russell, KS 67665 | Oil Operator | Mar 2026 |
| 30829 | Warbonnet Exploration Company | Houston, TX 77056 | Oil & Gas Operator | Apr 2016 |
| 30830 | Ward & Son* Alfred | | Oil & Gas Operator | Jul 2021 |
| 30831 | Ward Feed Yard, Inc. | Larned, KS 67550 | Oil & Gas Operator | Mar 2016 |
| 30832 | Ward Kelly | Drumright, OK 74030-5661 | Oil & Gas Operator | Feb 2015 |
| 30833 | Ward M Haggard Oil And Gas Exploration Inc | | Oil Operator | Jun 2026 |
| 30834 | Ward Oil Co. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2026 |
| 30835 | Ward Oil Company An Okla Corp | McAlester, OK 74501 | Oil & Gas Operator | Feb 1993 |
| 30836 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | Apr 2026 |
| 30837 | Ward Trust | Spring, TX 77383 | Oil & Gas Operator | May 2013 |
| 30838 | Ward, Charles Oil Company | Olney, TX 76374 | Oil Operator | Jul 2026 |
| 30839 | Ward, E. B. | Alice, TX 78333 | Oil & Gas Operator | Jun 2001 |
| 30840 | Ward, L. S. | Graham, TX 76450 | Oil & Gas Operator | Jun 2001 |
| 30841 | Ward, Ted G. Jr. | Monahans, TX 79756 | Oil & Gas Operator | Nov 2000 |
| 30842 | Ward-Williston Company | | Oil & Gas Operator | Apr 2014 |
| 30843 | Ward-Williston Drilling Co. | | Oil & Gas Operator | Dec 1994 |
| 30844 | Ware House Industries | Casper, WY 82605 | Oil & Gas Operator | Dec 2013 |
| 30845 | Ware Jimmy M | Seminole, OK 74868 | Oil & Gas Operator | Nov 1998 |
| 30846 | Ware, Lonnie | | Oil & Gas Operator | Apr 2026 |
| 30847 | Warfield John E | Cleo Springs, OK 73729-9723 | Oil & Gas Operator | Jul 2005 |
| 30848 | Warfield Management, LLC | Newman, GA 30263 | Gas Operator | Dec 2021 |
| 30849 | Warhorse Midcontinent Operating Company, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2026 |
| 30850 | Warhorse Oil & Gas, LLC | | Oil & Gas Operator | Dec 2018 |
| 30851 | Warhorse Petroleum Inc | Lafayette, CO 80026 | Oil Operator | Mar 2026 |
| 30852 | Warner Clifford E | Newark, OH 43055 | Oil Operator | Dec 2022 |
| 30853 | Warner George H | Pomeroy, OH 45769 | Oil & Gas Operator | Dec 2014 |
| 30854 | Warner Gona Revocable Trust | Sand Springs, OK 74063-5296 | Oil & Gas Operator | May 2009 |
| 30855 | Warner Oil Co., Inc. | Canyon, TX 79015 | Oil & Gas Operator | May 2013 |
| 30856 | Warner Oil Prod | | Oil Operator | Apr 1995 |
| 30857 | Warner Production LLC | Mannford, OK 74044-6182 | Oil & Gas Operator | May 2026 |
| 30858 | Warner Sisters, LLC | Thompsons Sta, TN 37179 | Oil Operator | Jul 2026 |
| 30859 | Warner Ventures Inc | | Oil Operator | Dec 2025 |
| 30860 | Warner, Mark T. Oil Co | Pampa, TX 79065 | Oil & Gas Operator | Jul 2021 |
| 30861 | Warner-Pawel | Alice, TX 78333 | Oil & Gas Operator | Jul 2026 |
| 30862 | Warnock Operating Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2013 |
| 30863 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 30864 | Warrego Oil & Gas LLC | Lander, WY 82520 | Oil Operator | May 2018 |
| 30865 | Warren American Oil Co | Tulsa, OK 74147 | Oil & Gas Operator | May 2026 |
| 30866 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Jul 2026 |
| 30867 | Warren C J Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 1984 |
| 30868 | Warren Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2016 |
| 30869 | Warren Drilling Co | Dexter City, OH 45727 | Oil & Gas Operator | Dec 2025 |
| 30870 | Warren E & P Inc | Dallas, TX 75240 | Oil & Gas Operator | May 2026 |
| 30871 | Warren Enterprises Inc | Gillette, WY 82718 | Oil Operator | Dec 2022 |
| 30872 | Warren Producers Inc | Bowling Green, KY 42102 | Oil & Gas Operator | Dec 2017 |
| 30873 | Warren Production Services | Caldwell, TX 77836 | Oil & Gas Operator | Jul 2026 |
| 30874 | Warren, Earl T. | San Angelo, TX 76906 | Oil & Gas Operator | Jul 2026 |
| 30875 | Warren, James E. | Arkansas City, KS 67005 | Oil Operator | Nov 2009 |
| 30876 | Warren, Joe H. | Dallas, TX 75206 | Oil & Gas Operator | Oct 2001 |
| 30877 | Warren, Malcolm | Corfu, NY 14036 | Gas Operator | Dec 2025 |
| 30878 | Warrior Exploration LLC | Sapulpa, OK 74067-1912 | Oil & Gas Operator | Mar 2026 |
| 30879 | Warrior Inc | Hobbs, NM 88241 | Oil & Gas Operator | Feb 1998 |
| 30880 | Warrior Met Coal Gas, LLC | Brookwood, AL 35444 | Gas Operator | May 2026 |
| 30881 | Warrior Resources Inc. | Mexia, TX 76667 | Oil & Gas Operator | Jul 2026 |
| 30882 | Warwick Associates LC | Oklahoma City, OK 73112 | Oil & Gas Operator | Apr 2026 |
| 30883 | Warwick Oil & Gas, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 1993 |
| 30884 | Warwick Oil Corp. | | Oil & Gas Operator | Mar 1990 |
| 30885 | Warwick Poseidon, GP | Nichols Hill, OK 73116 | Gas Operator | Jul 2026 |
| 30886 | Warwick-Artemis, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Jul 2026 |
| 30887 | Warwick-Bacchus LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2026 |
| 30888 | Warwick-Jupiter LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2026 |
| 30889 | Warwick-Minerva LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2026 |
| 30890 | Wasatch Oil & Gas Corp | Farmington, UT 84025-0699 | Oil & Gas Operator | Mar 2002 |
| 30891 | Wash, Robert C. | Forsan, TX 79733 | Oil & Gas Operator | Nov 2000 |
| 30892 | Wash, Robert C. Inc. | Forsan, TX 79733 | Oil & Gas Operator | Jul 2026 |
| 30893 | Washakie Energies Company | Worland, WY 82401 | Oil & Gas Operator | Dec 2019 |
| 30894 | Washakie Oil Company | | Oil & Gas Operator | Dec 1989 |
| 30895 | Washburn Lee | Newcastle, WY 82701 | Oil Operator | Jan 2025 |
| 30896 | Washington Energy Co LLC | Canonsburg, PA 15317-0400 | Oil & Gas Operator | Dec 2024 |
| 30897 | Washington Energy Exploration | | Oil & Gas Operator | Dec 1997 |
| 30898 | Washita Energy Inc | Pauls Valley, OK 73075-0923 | Oil & Gas Operator | Mar 2015 |
| 30899 | Washita Oil And Gas, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 30900 | Washita Production Company | Tulsa, OK 74136 | Oil & Gas Operator | May 2006 |