| 2801 | Bergman Oil Comp | | Oil Operator | Mar 1995 |
| 2802 | Bergman Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Feb 1994 |
| 2803 | Bergman, Anna F. Trust, A General Partnership | Shawnee, KS 66203 | Oil Operator | Nov 2019 |
| 2804 | Bering Operating Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | May 2001 |
| 2805 | Berkley Petroleum Inc. | | Oil & Gas Operator | Dec 2007 |
| 2806 | Berkshire Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 2807 | Berkshire Woodlawn Field, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2007 |
| 2808 | Berky Resources | | Oil & Gas Operator | Sep 1994 |
| 2809 | Bernard J & Geraldine E Burek | Union City, PA 16438-8548 | Gas Operator | Dec 2014 |
| 2810 | Bernard/Hickox, Inc. | | Oil & Gas Operator | May 1998 |
| 2811 | Berner, Mark A. | Darien Center, NY 14040 | Gas Operator | Dec 2024 |
| 2812 | Berner, William F. | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 2813 | Berresford Enterprises In | Akron, OH 44311 | Oil & Gas Operator | Dec 1994 |
| 2814 | Berry Energy Companies | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 2815 | Berry Energy Inc*Walter | | Oil & Gas Operator | Aug 2016 |
| 2816 | Berry Energy, Inc. | Clarksburg, WV 26301-2252 | Oil & Gas Operator | Dec 2021 |
| 2817 | Berry James E | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1996 |
| 2818 | Berry Oil Comp. | Houston, TX 77002 | Oil & Gas Operator | Jul 2014 |
| 2819 | Berry Oil Company, LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Apr 2019 |
| 2820 | Berry Operating Company | Stillwater, OK 74076-0518 | Oil & Gas Operator | Dec 2016 |
| 2821 | Berry Patterson Enterprises, LLC | Smyer, TX 79367 | Oil Operator | Feb 2026 |
| 2822 | Berry Petroleum Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2014 |
| 2823 | Berry Petroleum Company LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Dec 2025 |
| 2824 | Berry Thomas E | | Oil & Gas Operator | Feb 2004 |
| 2825 | Berry, Gus | Okmulgee, OK 74447 | Oil & Gas Operator | Feb 1996 |
| 2826 | Berry, O. H. | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 2827 | Berry, Richard A | Henderson, KY 42420 | Oil Operator | Dec 2023 |
| 2828 | Berry, Thomas N. & Co. | Stillwater, OK 74076 | Oil & Gas Operator | Feb 2012 |
| 2829 | Bert & Glen Loe | | Oil Operator | Jul 1979 |
| 2830 | Bert Carlson | Yates Center, KS 66783 | Gas Operator | Sep 2009 |
| 2831 | Bert Fields, Jr. | | Oil & Gas Operator | Nov 1986 |
| 2832 | Bertram Oil Company, Inc. | Corpus Chrsti, TX 78475 | Oil & Gas Operator | Oct 1995 |
| 2833 | Bertram Paul G Jr | Marietta, OH 45750 | Oil & Gas Operator | Dec 1992 |
| 2834 | Bertram Resources Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2022 |
| 2835 | Bertschinger Oil Company | Oklahoma City, OK 73116-6534 | Oil & Gas Operator | Nov 2015 |
| 2836 | Berwell Energy Inc | Columbus, OH 43221 | Oil & Gas Operator | Dec 1987 |
| 2837 | Beryl Oil And Gas, LP | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 2838 | Besco Operating, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 2839 | Best John B | Franklin, PA 16323-8115 | Oil & Gas Operator | Dec 2018 |
| 2840 | Best Petroleum Explorations,Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 2841 | Bestmark Production Inc | Yukon, OK 73099 | Oil & Gas Operator | Mar 2011 |
| 2842 | Besto Oil & Gas, Inc. | Odessa, TX 79768 | Oil & Gas Operator | Oct 2018 |
| 2843 | Bet-Ro, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Feb 2026 |
| 2844 | Beta Gas & Oil, Inc. | Tulsa, OK 74136 | Oil Operator | Jun 2001 |
| 2845 | Beta Helix Energy LLC | | Oil & Gas Operator | Dec 2021 |
| 2846 | Beta Oil Company Inc | Oklahoma City, OK 73157-2958 | Oil & Gas Operator | Nov 2025 |
| 2847 | Beta Oil Corporation | San Antonio, TX 78232 | Oil & Gas Operator | Feb 2026 |
| 2848 | Beta Oil Inc | | Oil Operator | Feb 1986 |
| 2849 | Beta Operating Company, LLC | Houston, TX 77210 | Oil & Gas Operator | Apr 2020 |
| 2850 | Beta Operating, Inc | | Oil & Gas Operator | May 2001 |
| 2851 | Beta-Tex, An Oklahoma Corp. | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2024 |
| 2852 | Beth Ann Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Jul 2001 |
| 2853 | Bethany Camp Fellowship Of Independent Baptist | Sinclairville, NY 14782 | Gas Operator | Dec 2024 |
| 2854 | Bethel Oil & Gas | | Oil & Gas Operator | Dec 2004 |
| 2855 | Bethel Oil & Gas Co | Marietta, OH 45750-6710 | Oil & Gas Operator | Dec 2019 |
| 2856 | Bethel Oil And Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 2857 | Bethlan Production Corporation | | Oil & Gas Operator | Dec 1994 |
| 2858 | Betop Inc | Ojai, CA 83203 | Oil & Gas Operator | Dec 1996 |
| 2859 | Bets Oil & Gas | Pawhuska, OK 74056 | Oil & Gas Operator | Nov 2018 |
| 2860 | Betsy Production Company, Inc. | Magnolia, AR 71753 | Oil & Gas Operator | Dec 2025 |
| 2861 | Bettis Boyle & Stovall,Inc. | Graham, TX 76450 | Oil & Gas Operator | Aug 2022 |
| 2862 | Bettis Brothers Inc | Graham, TX 76046 | Oil & Gas Operator | Dec 1995 |
| 2863 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 2864 | Betty L Wood Dba Able Oil Company | Morris, OK 74445-2303 | Oil & Gas Operator | Oct 2025 |
| 2865 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Feb 2026 |
| 2866 | Beucler Brothers Inc | Dellroy, OH 44620 | Oil & Gas Operator | Dec 2020 |
| 2867 | Beusa Energy, Inc. | Spring, TX 77380 | Oil & Gas Operator | Apr 2011 |
| 2868 | Beusa Energy, LLC | | Oil & Gas Operator | Nov 2017 |
| 2869 | Bev Exploration, Inc. | | Oil Operator | Jun 1985 |
| 2870 | Beveled Edge Productions LLC | Norman, OK 73069-4941 | Oil Operator | Dec 2019 |
| 2871 | Beveridge Patricia C | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2024 |
| 2872 | Beverly Hills Oil Co. | | Oil & Gas Operator | Dec 1979 |
| 2873 | Bevers SWD, Inc. | Lubbock, TX 79453 | Oil & Gas Operator | Feb 2026 |
| 2874 | Bevo Production Co. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2014 |
| 2875 | Bex, Inc. | Nashville, TN 37209 | Oil & Gas Operator | Aug 2007 |
| 2876 | Bexco Operating, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Feb 2026 |
| 2877 | Beymer & Beymer | | Gas Operator | Dec 2009 |
| 2878 | Beymer Brothers, LLC | Lakin, KS 67860 | Gas Operator | Apr 2020 |
| 2879 | Bez Resources LLC | Perry, OK 73077-2204 | Oil & Gas Operator | Mar 2023 |
| 2880 | BF Adventures LLC | Warren, PA 16365-8306 | Oil & Gas Operator | Dec 2025 |
| 2881 | BFD Energy Corporation | Georgetown, TX 78628 | Gas Operator | May 1998 |
| 2882 | BFP Oil Company | Frisco, TX 75034 | Oil & Gas Operator | Feb 2026 |
| 2883 | BFS Petroleum Company | Skiatook, OK 74070-3998 | Oil & Gas Operator | Jan 2004 |
| 2884 | BG Production, LLC | Denver, NC 28037-8088 | Oil & Gas Operator | Dec 2021 |
| 2885 | BG-5, Inc. | Rantoul, KS 66079 | Oil Operator | Sep 2025 |
| 2886 | Bgi Resources LLC | | Oil & Gas Operator | Nov 2025 |
| 2887 | BGM Production, LLC | Borger, TX 79008 | Oil & Gas Operator | Feb 2026 |
| 2888 | BHB Oil Partners LLC | Powell, WY 82435 | Oil Operator | Oct 2025 |
| 2889 | BHB Oil, Inc | | Oil & Gas Operator | Dec 2024 |
| 2890 | BHB Operating Inc. | Fort Worth, TX 76137 | Oil & Gas Operator | Feb 2026 |
| 2891 | BHP Billiton Pet(Txla Op) Co | Denver, CO 80202 | Oil & Gas Operator | Jul 2019 |
| 2892 | BHP Billiton Petro (KCS Resources), LLC | | Oil & Gas Operator | Jul 2019 |
| 2893 | BHP Billiton Petro (Txla Operating) Co. | | Gas Operator | Jul 2019 |
| 2894 | BHP Billiton Petro (WSF Operating), Inc. | | Oil & Gas Operator | Jul 2019 |
| 2895 | BHP Billiton Petroleum (Fayetteville), LLC | | Gas Operator | Dec 2017 |
| 2896 | BHP Petroleum (Americas) | Houston, TX 77056-3020 | Oil & Gas Operator | Mar 1993 |
| 2897 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 2898 | BHP Petroleum (USA) Inc | | Oil & Gas Operator | Mar 1993 |
| 2899 | BHP Petroleum Company Inc | Houston, TX 77057 | Oil & Gas Operator | Jun 2016 |
| 2900 | BHP Petroleum, Inc. | | Oil & Gas Operator | Aug 1985 |