| 2801 | Betsy Production Company, Inc. | Magnolia, AR 71753 | Oil & Gas Operator | Feb 2025 |
| 2802 | Bettis Boyle & Stovall,Inc. | Graham, TX 76450 | Oil & Gas Operator | Aug 2022 |
| 2803 | Bettis Brothers Inc | Graham, TX 76046 | Oil & Gas Operator | Dec 1995 |
| 2804 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 2805 | Betty L Wood Dba Able Oil Company | Morris, OK 74445-2303 | Oil & Gas Operator | Jan 2025 |
| 2806 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Apr 2025 |
| 2807 | Beucler Brothers Inc | Dellroy, OH 44620 | Oil & Gas Operator | Dec 2020 |
| 2808 | Beusa Energy, Inc. | Spring, TX 77380 | Oil & Gas Operator | Apr 2011 |
| 2809 | Beusa Energy, LLC | | Oil & Gas Operator | Nov 2017 |
| 2810 | Bev Exploration, Inc. | | Oil Operator | Jun 1985 |
| 2811 | Beveled Edge Productions LLC | Norman, OK 73069-4941 | Oil Operator | Dec 2019 |
| 2812 | Beveridge Patricia C | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2024 |
| 2813 | Beverly Hills Oil Co. | | Oil & Gas Operator | Dec 1979 |
| 2814 | Bevers SWD, Inc. | Lubbock, TX 79453 | Oil & Gas Operator | Apr 2025 |
| 2815 | Bevo Production Co. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2014 |
| 2816 | Bex, Inc. | Nashville, TN 37209 | Oil & Gas Operator | Aug 2007 |
| 2817 | Bexco Operating, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Apr 2025 |
| 2818 | Beymer & Beymer | | Gas Operator | Dec 2009 |
| 2819 | Bez Resources LLC | Perry, OK 73077-2204 | Oil & Gas Operator | Mar 2023 |
| 2820 | BF Adventures LLC | Warren, PA 16365-8306 | Oil & Gas Operator | Dec 2024 |
| 2821 | BFD Energy Corporation | Georgetown, TX 78628 | Gas Operator | May 1998 |
| 2822 | BFP Oil Company | Frisco, TX 75034 | Oil & Gas Operator | Apr 2025 |
| 2823 | BFS Petroleum Company | Skiatook, OK 74070-3998 | Oil & Gas Operator | Jan 2004 |
| 2824 | BG Production, LLC | Denver, NC 28037-8088 | Oil & Gas Operator | Dec 2021 |
| 2825 | BG-5, Inc. | Rantoul, KS 66079 | Oil Operator | Dec 2024 |
| 2826 | Bgi Resources LLC | Oakland, CA 94606 | Oil & Gas Operator | Jan 2025 |
| 2827 | BGM Production, LLC | Borger, TX 79008 | Oil & Gas Operator | Apr 2025 |
| 2828 | BHB Oil Partners LLC | Powell, WY 82435 | Oil Operator | Dec 2024 |
| 2829 | BHB Oil, Inc | | Oil & Gas Operator | Dec 2024 |
| 2830 | BHB Operating Inc. | Fort Worth, TX 76137 | Oil & Gas Operator | Apr 2025 |
| 2831 | BHP Billiton Pet(Txla Op) Co | Denver, CO 80202 | Oil & Gas Operator | Jul 2019 |
| 2832 | BHP Billiton Petro (KCS Resources), LLC | | Oil & Gas Operator | Jul 2019 |
| 2833 | BHP Billiton Petro (Txla Operating) Co. | | Gas Operator | Jul 2019 |
| 2834 | BHP Billiton Petro (WSF Operating), Inc. | | Oil & Gas Operator | Jul 2019 |
| 2835 | BHP Petroleum (Americas) | Houston, TX 77056-3020 | Oil & Gas Operator | Mar 1993 |
| 2836 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 2837 | BHP Petroleum (USA) Inc | | Oil & Gas Operator | Mar 1993 |
| 2838 | BHP Petroleum Company Inc | Houston, TX 77057 | Oil & Gas Operator | Jun 2016 |
| 2839 | BHP Petroleum, Inc. | | Oil & Gas Operator | Aug 1985 |
| 2840 | Bi Joe Development Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2023 |
| 2841 | Bialek Oil And Gas Corporation | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 2842 | Biblical Life Inst | Freeport, PA 16229 | Gas Operator | Dec 2024 |
| 2843 | Bibs Oil Corpora | | Oil & Gas Operator | Apr 1987 |
| 2844 | Bic Petroleum Inc | | Oil & Gas Operator | Sep 2002 |
| 2845 | Bickham G C Inc | Ada, OK 74820-8304 | Oil Operator | Jun 2017 |
| 2846 | Bickle Energies LLC | Hays, KS 67601 | Oil Operator | Dec 2019 |
| 2847 | Biddy Audrian Q | Okemah, OK 74859 | Oil & Gas Operator | Aug 2013 |
| 2848 | Bieberle Oil & Gas Inc. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2024 |
| 2849 | Biedenharn Et Al | | Gas Operator | Nov 1996 |
| 2850 | Biehl Oil Service'S LLC | Bellevue, TX 76228 | Oil & Gas Operator | Nov 2017 |
| 2851 | Biffle Ned | | Oil & Gas Operator | Nov 2000 |
| 2852 | Biffle SR Bob | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 2853 | Biffle, Jimmy Jack | Muenster, TX 76252 | Oil & Gas Operator | Feb 2017 |
| 2854 | Big "6" Drilling Company | Houston, TX 77063 | Oil & Gas Operator | Mar 2019 |
| 2855 | Big 'J' Prod Com | | Oil & Gas Operator | Aug 1992 |
| 2856 | Big 'O' | | Oil Operator | Dec 2024 |
| 2857 | Big Al Oil And Gas | Abilene, TX 79608 | Oil & Gas Operator | Apr 2025 |
| 2858 | Big Basin Petroleum LLC | Gillette, WY 82717 | Oil & Gas Operator | Oct 2008 |
| 2859 | Big Bear Resourc | | Oil Operator | Jan 1989 |
| 2860 | Big Bend Oil Co | Hominy, OK 74035 | Oil & Gas Operator | Jan 2025 |
| 2861 | Big C Production & Processing, Inc. | Crown City, OH 45623 | Oil & Gas Operator | Dec 2021 |
| 2862 | Big Chief Exploration | Palisades, CO 81526 | Oil & Gas Operator | Oct 1993 |
| 2863 | Big Country Pipe & Supply, Inc. | Saint Jo, TX 76265 | Oil Operator | May 2023 |
| 2864 | Big Creek Energy LLC | Kingfisher, OK 73750-3102 | Oil & Gas Operator | Feb 2025 |
| 2865 | Big Creek Operating Company LLC | Houston, TX 77065 | Oil & Gas Operator | Apr 2025 |
| 2866 | Big Creek Operating, Inc. | | Oil & Gas Operator | Jan 1991 |
| 2867 | Big D Energy Company | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2025 |
| 2868 | Big Dog Energy LLC | Wexford, PA 15090-8314 | Gas Operator | Feb 2025 |
| 2869 | Big Easy Operating Company | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 2870 | Big Eight DRLG Co | | Oil Operator | Dec 2023 |
| 2871 | Big Eight Energy | El Dorado, KS 67042 | Oil Operator | Apr 2001 |
| 2872 | Big Eight Energy, L.L.C. | Wichita, KS 67275 | Oil Operator | Dec 2009 |
| 2873 | Big Four Leasing & Operating Inc | Cushing, OK 74023 | Oil & Gas Operator | Jan 2025 |
| 2874 | Big Four Petroleum Company | Cushing, OK 74023 | Oil & Gas Operator | Nov 2004 |
| 2875 | Big G Exploration, Inc. | | Oil Operator | Mar 1988 |
| 2876 | Big Heart Oil Company, LLC | Smackover, AR 71762 | Oil Operator | Jan 2025 |
| 2877 | Big Horn Oil And Gas Inc. | | Gas Operator | Dec 2024 |
| 2878 | Big Horn Oil Co., Inc. | Great Bend, KS 67530 | Oil & Gas Operator | May 2013 |
| 2879 | Big Iron Excavation, L.L.C. | Blanket, TX 76432 | Oil Operator | Jan 2022 |
| 2880 | Big Island Operating Corp. | | Oil & Gas Operator | Aug 1988 |
| 2881 | Big J Tank Truck Service Inc | Perry, OK 73077-1238 | Oil Operator | Apr 2014 |
| 2882 | Big Jack Oil & G | | Oil Operator | Sep 1986 |
| 2883 | Big Joe Operating Company, Inc. | | Oil & Gas Operator | May 2017 |
| 2884 | Big Lake Corporation | Dallas, TX 75222 | Oil & Gas Operator | Apr 2025 |
| 2885 | Big Lake J J Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2025 |
| 2886 | Big Lime Energy LTD | Medford, OK 73759-0009 | Oil & Gas Operator | Mar 2015 |
| 2887 | Big M Oil Company | | Oil & Gas Operator | Jan 2025 |
| 2888 | Big Man Oil Co, Inc | Owensboro, KY 42302 | Oil & Gas Operator | Dec 2023 |
| 2889 | Big Mountain Operating LLC | Decatur, TX 76234 | Oil & Gas Operator | Nov 2021 |
| 2890 | Big Muddy Operating LLC | Casper, WY 82602 | Oil Operator | Feb 2025 |
| 2891 | Big Pine Petroleum Inc. | | Oil & Gas Operator | Dec 2024 |
| 2892 | Big Piney Oil & Gas Company | Dallas, TX 75206 | Oil & Gas Operator | Sep 1992 |
| 2893 | Big River Oil Field Services, LLC | | Oil Operator | Mar 2017 |
| 2894 | Big Rock Oil LLC | Frisco, TX 75034 | Oil Operator | Apr 2025 |
| 2895 | Big Run Production Company | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 2896 | Big Sand Drilling Company | Buckhannon, WV 26201-0000 | Oil & Gas Operator | Dec 2021 |
| 2897 | Big Shell Oil & Gas, Inc. | Taft, TX 78390 | Oil & Gas Operator | Apr 2025 |
| 2898 | Big Sky Energy Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2023 |
| 2899 | Big Sky Energy, LLC | Cody, WY 82414 | Oil & Gas Operator | May 2024 |
| 2900 | Big Sky Exploration LLC | Dana Point, CA 92629-2889 | Oil Operator | Apr 2020 |