| 2701 | Bethel Oil & Gas Co | Marietta, OH 45750-6710 | Oil & Gas Operator | Dec 2019 |
| 2702 | Bethel Oil And Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 2703 | Bethlan Production Corporation | | Oil & Gas Operator | Dec 1994 |
| 2704 | Betop Inc | Ojai, CA 83203 | Oil & Gas Operator | Dec 1996 |
| 2705 | Bets Oil & Gas | Pawhuska, OK 74056 | Oil & Gas Operator | Nov 2018 |
| 2706 | Betsy Production Company, Inc. | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2026 |
| 2707 | Bettis Boyle & Stovall,Inc. | Graham, TX 76450 | Oil & Gas Operator | Aug 2022 |
| 2708 | Bettis Brothers Inc | Graham, TX 76046 | Oil & Gas Operator | Dec 1995 |
| 2709 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 2710 | Betty L Wood Dba Able Oil Company | Morris, OK 74445-2303 | Oil & Gas Operator | Dec 2025 |
| 2711 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Apr 2026 |
| 2712 | Beucler Brothers Inc | Dellroy, OH 44620 | Oil & Gas Operator | Dec 2020 |
| 2713 | Beusa Energy, Inc. | Spring, TX 77380 | Oil & Gas Operator | Apr 2011 |
| 2714 | Beusa Energy, LLC | | Oil & Gas Operator | Nov 2017 |
| 2715 | Bev Exploration, Inc. | | Oil Operator | Jun 1985 |
| 2716 | Beveled Edge Productions LLC | Norman, OK 73069-4941 | Oil Operator | Dec 2019 |
| 2717 | Beveridge Patricia C | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2025 |
| 2718 | Beverly Hills Oil Co. | | Oil & Gas Operator | Dec 1979 |
| 2719 | Bevers SWD, Inc. | Lubbock, TX 79453 | Oil & Gas Operator | Apr 2026 |
| 2720 | Bevo Production Co. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2014 |
| 2721 | Bex, Inc. | Nashville, TN 37209 | Oil & Gas Operator | Aug 2007 |
| 2722 | Bexco Operating, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Apr 2026 |
| 2723 | Beymer & Beymer | | Gas Operator | Dec 2009 |
| 2724 | Bez Resources LLC | Perry, OK 73077-2204 | Oil & Gas Operator | Mar 2023 |
| 2725 | BF Adventures LLC | Warren, PA 16365-8306 | Oil & Gas Operator | Dec 2025 |
| 2726 | BFD Energy Corporation | Georgetown, TX 78628 | Gas Operator | May 1998 |
| 2727 | BFP Oil Company | Frisco, TX 75034 | Oil & Gas Operator | Apr 2026 |
| 2728 | BFS Petroleum Company | Skiatook, OK 74070-3998 | Oil & Gas Operator | Jan 2004 |
| 2729 | BG Production, LLC | Denver, NC 28037-8088 | Oil & Gas Operator | Dec 2021 |
| 2730 | BG-5, Inc. | Rantoul, KS 66079 | Oil Operator | Dec 2025 |
| 2731 | Bgi Resources LLC | | Oil & Gas Operator | Feb 2026 |
| 2732 | BGM Production, LLC | Borger, TX 79008 | Oil & Gas Operator | Apr 2026 |
| 2733 | BHB Oil Partners LLC | Powell, WY 82435 | Oil Operator | Oct 2025 |
| 2734 | BHB Oil, Inc | | Oil & Gas Operator | Dec 2024 |
| 2735 | BHB Operating Inc. | Fort Worth, TX 76137 | Oil & Gas Operator | Apr 2026 |
| 2736 | BHP Billiton Pet(Txla Op) Co | Denver, CO 80202 | Oil & Gas Operator | Jul 2019 |
| 2737 | BHP Billiton Petro (KCS Resources), LLC | | Oil & Gas Operator | Jul 2019 |
| 2738 | BHP Billiton Petro (Txla Operating) Co. | | Gas Operator | Jul 2019 |
| 2739 | BHP Billiton Petro (WSF Operating), Inc. | | Oil & Gas Operator | Jul 2019 |
| 2740 | BHP Petroleum (Americas) | Houston, TX 77056-3020 | Oil & Gas Operator | Mar 1993 |
| 2741 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 2742 | BHP Petroleum (USA) Inc | | Oil & Gas Operator | Mar 1993 |
| 2743 | BHP Petroleum Company Inc | Houston, TX 77057 | Oil & Gas Operator | Jun 2016 |
| 2744 | BHP Petroleum, Inc. | | Oil & Gas Operator | Aug 1985 |
| 2745 | Bi Joe Development Inc | Columbus, OH 43220 | Oil & Gas Operator | Dec 2024 |
| 2746 | Bialek Oil And Gas Corporation | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 2747 | Biblical Life Inst | Freeport, PA 16229 | Gas Operator | Dec 2025 |
| 2748 | Bibs Oil Corpora | | Oil & Gas Operator | Apr 1987 |
| 2749 | Bickham G C Inc | Ada, OK 74820-8304 | Oil Operator | Jun 2017 |
| 2750 | Bickle Energies LLC | Hays, KS 67601 | Oil Operator | Dec 2019 |
| 2751 | Biddy Audrian Q | Okemah, OK 74859 | Oil & Gas Operator | Aug 2013 |
| 2752 | Bieberle Oil & Gas Inc. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2025 |
| 2753 | Biedenharn Et Al | | Gas Operator | Nov 1996 |
| 2754 | Biehl Oil Service'S LLC | Bellevue, TX 76228 | Oil & Gas Operator | Nov 2017 |
| 2755 | Biffle SR Bob | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 2756 | Biffle, Jimmy Jack | Muenster, TX 76252 | Oil & Gas Operator | Feb 2017 |
| 2757 | Big "6" Drilling Company | Houston, TX 77063 | Oil & Gas Operator | Mar 2019 |
| 2758 | Big 'J' Prod Com | | Oil & Gas Operator | Aug 1992 |
| 2759 | Big 'O' | | Oil Operator | Dec 2025 |
| 2760 | Big Al Oil And Gas | Abilene, TX 79608 | Oil & Gas Operator | Apr 2026 |
| 2761 | Big Basin Petroleum LLC | Gillette, WY 82717 | Oil & Gas Operator | Oct 2008 |
| 2762 | Big Bear Resourc | | Oil Operator | Jan 1989 |
| 2763 | Big Bend Oil Co | Hominy, OK 74035 | Oil & Gas Operator | Feb 2026 |
| 2764 | Big C Production & Processing, Inc. | Crown City, OH 45623 | Oil & Gas Operator | Dec 2021 |
| 2765 | Big Chief Exploration | Palisades, CO 81526 | Oil & Gas Operator | Oct 1993 |
| 2766 | Big Country Pipe & Supply, Inc. | Saint Jo, TX 76265 | Oil Operator | May 2023 |
| 2767 | Big Creek Energy LLC | Kingfisher, OK 73750-3102 | Oil & Gas Operator | Feb 2026 |
| 2768 | Big Creek Operating Company LLC | Houston, TX 77065 | Oil & Gas Operator | Apr 2026 |
| 2769 | Big Creek Operating, Inc. | | Oil & Gas Operator | Jan 1991 |
| 2770 | Big D Energy Company | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2026 |
| 2771 | Big Dog Energy LLC | Sewickley, PA 15143-8782 | Gas Operator | Feb 2026 |
| 2772 | Big Easy Operating Company | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 2773 | Big Eight Energy | El Dorado, KS 67042 | Oil Operator | Apr 2001 |
| 2774 | Big Eight Energy, L.L.C. | Wichita, KS 67275 | Oil Operator | Dec 2009 |
| 2775 | Big Four Leasing & Operating Inc | Cushing, OK 74023 | Oil & Gas Operator | Feb 2026 |
| 2776 | Big Four Petroleum Company | Cushing, OK 74023 | Oil & Gas Operator | Nov 2004 |
| 2777 | Big G Exploration, Inc. | | Oil Operator | Mar 1988 |
| 2778 | Big Heart Oil Company, LLC | Smackover, AR 71762 | Oil Operator | Jan 2025 |
| 2779 | Big Horn Oil And Gas Inc. | | Gas Operator | Dec 2025 |
| 2780 | Big Horn Oil Co Inc | Great Bend, KS 67530 | Oil & Gas Operator | May 2013 |
| 2781 | Big Iron Excavation, L.L.C. | Blanket, TX 76432 | Oil Operator | Jan 2022 |
| 2782 | Big Island Operating Corp. | | Oil & Gas Operator | Aug 1988 |
| 2783 | Big J Tank Truck Service Inc | Perry, OK 73077-1238 | Oil Operator | Apr 2014 |
| 2784 | Big Jack Oil & G | | Oil Operator | Sep 1986 |
| 2785 | Big Lake Corporation | Dallas, TX 75222 | Oil & Gas Operator | Apr 2026 |
| 2786 | Big Lake J J Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2026 |
| 2787 | Big M Oil Company | | Oil & Gas Operator | Jan 2025 |
| 2788 | Big Man Oil Co, Inc | Owensboro, KY 42302 | Oil & Gas Operator | Dec 2024 |
| 2789 | Big Mountain Operating LLC | Decatur, TX 76234 | Oil & Gas Operator | Apr 2026 |
| 2790 | Big Muddy Operating LLC | Casper, WY 82602 | Oil Operator | Feb 2026 |
| 2791 | Big Pine Petroleum Inc. | | Oil & Gas Operator | Dec 2024 |
| 2792 | Big Piney Oil & Gas Company | Dallas, TX 75206 | Oil & Gas Operator | Sep 1992 |
| 2793 | Big River Oil Field Services, LLC | | Oil Operator | Mar 2017 |
| 2794 | Big Rock Oil LLC | Frisco, TX 75034 | Oil Operator | Apr 2026 |
| 2795 | Big Rose Colony, Inc. | Shelby, MT 59474 | Gas Operator | Feb 2026 |
| 2796 | Big Run Production Company | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 2797 | Big Sand Drilling Company | Buckhannon, WV 26201-0000 | Oil & Gas Operator | Dec 2021 |
| 2798 | Big Shell Oil & Gas, Inc. | Taft, TX 78390 | Oil & Gas Operator | Apr 2026 |
| 2799 | Big Sky Energy Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2024 |
| 2800 | Big Sky Energy, LLC | Cody, WY 82414 | Oil & Gas Operator | May 2024 |