| 2701 | BHP Billiton Petro (Txla Operating) Co. | | Gas Operator | Jul 2019 |
| 2702 | BHP Billiton Petro (WSF Operating), Inc. | | Oil & Gas Operator | Jul 2019 |
| 2703 | BHP Petroleum (Americas) | Houston, TX 77056-3020 | Oil & Gas Operator | Mar 1993 |
| 2704 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 2705 | BHP Petroleum (USA) Inc | | Oil & Gas Operator | Mar 1993 |
| 2706 | BHP Petroleum Company Inc | Houston, TX 77057 | Oil & Gas Operator | Jun 2016 |
| 2707 | BHP Petroleum, Inc. | | Oil & Gas Operator | Aug 1985 |
| 2708 | Bi Joe Development Inc | Columbus, OH 43220 | Oil & Gas Operator | Dec 2024 |
| 2709 | Bialek Oil And Gas Corporation | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 2710 | Biblical Life Inst | Freeport, PA 16229 | Gas Operator | Dec 2025 |
| 2711 | Bibs Oil Corpora | | Oil & Gas Operator | Apr 1987 |
| 2712 | Bickham G C Inc | Ada, OK 74820-8304 | Oil Operator | Jun 2017 |
| 2713 | Bickle Energies LLC | Hays, KS 67601 | Oil Operator | Dec 2019 |
| 2714 | Biddy Audrian Q | Okemah, OK 74859 | Oil & Gas Operator | Aug 2013 |
| 2715 | Bieberle Oil & Gas Inc. | Medicine Lodge, KS 67104 | Oil & Gas Operator | May 2026 |
| 2716 | Biedenharn Et Al | | Gas Operator | Nov 1996 |
| 2717 | Biehl Oil Service'S LLC | Bellevue, TX 76228 | Oil & Gas Operator | Nov 2017 |
| 2718 | Biffle SR Bob | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 2719 | Biffle, Jimmy Jack | Muenster, TX 76252 | Oil & Gas Operator | Feb 2017 |
| 2720 | Big "6" Drilling Company | Houston, TX 77063 | Oil & Gas Operator | Mar 2019 |
| 2721 | Big 'J' Prod Com | | Oil & Gas Operator | Aug 1992 |
| 2722 | Big 'O' | | Oil Operator | May 2026 |
| 2723 | Big Al Oil And Gas | Midland, TX 79707 | Oil & Gas Operator | Sep 2026 |
| 2724 | Big Basin Petroleum LLC | Gillette, WY 82717 | Oil & Gas Operator | Oct 2008 |
| 2725 | Big Bear Resourc | | Oil Operator | Jan 1989 |
| 2726 | Big Bend Oil Co | Hominy, OK 74035 | Oil & Gas Operator | Feb 2026 |
| 2727 | Big C Production & Processing, Inc. | Crown City, OH 45623 | Oil & Gas Operator | Dec 2021 |
| 2728 | Big Chief Exploration | Palisades, CO 81526 | Oil & Gas Operator | Oct 1993 |
| 2729 | Big Country Pipe & Supply, Inc. | Saint Jo, TX 76265 | Oil Operator | May 2023 |
| 2730 | Big Creek Energy LLC | Kingfisher, OK 73750-3102 | Oil & Gas Operator | Jul 2026 |
| 2731 | Big Creek Operating Company LLC | Houston, TX 77065 | Oil & Gas Operator | Sep 2026 |
| 2732 | Big Creek Operating, Inc. | | Oil & Gas Operator | Jan 1991 |
| 2733 | Big D Energy Company | New Braunfels, TX 78132 | Oil & Gas Operator | Sep 2026 |
| 2734 | Big Dog Energy LLC | Sewickley, PA 15143-8782 | Gas Operator | Jun 2026 |
| 2735 | Big Easy Operating Company | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 2736 | Big Eight Energy | El Dorado, KS 67042 | Oil Operator | Apr 2001 |
| 2737 | Big Eight Energy, L.L.C. | Wichita, KS 67275 | Oil Operator | Dec 2009 |
| 2738 | Big Four Leasing & Operating Inc | Cushing, OK 74023 | Oil & Gas Operator | Jun 2026 |
| 2739 | Big Four Petroleum Company | Cushing, OK 74023 | Oil & Gas Operator | Nov 2004 |
| 2740 | Big G Exploration, Inc. | | Oil Operator | Mar 1988 |
| 2741 | Big Heart Oil Company, LLC | Smackover, AR 71762 | Oil Operator | Jan 2025 |
| 2742 | Big Horn Oil And Gas Inc. | | Gas Operator | Dec 2025 |
| 2743 | Big Horn Oil Co Inc | Great Bend, KS 67530 | Oil & Gas Operator | May 2013 |
| 2744 | Big Iron Excavation, L.L.C. | Blanket, TX 76432 | Oil Operator | Jan 2022 |
| 2745 | Big Island Operating Corp. | | Oil & Gas Operator | Aug 1988 |
| 2746 | Big J Tank Truck Service Inc | Perry, OK 73077-1238 | Oil Operator | Apr 2014 |
| 2747 | Big Jack Oil & G | | Oil Operator | Sep 1986 |
| 2748 | Big Lake Corporation | Dallas, TX 75222 | Oil & Gas Operator | Sep 2026 |
| 2749 | Big Lake J J Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Sep 2026 |
| 2750 | Big M Oil Company | | Oil & Gas Operator | Jan 2025 |
| 2751 | Big Man Oil Co, Inc | Owensboro, KY 42302 | Oil & Gas Operator | Dec 2024 |
| 2752 | Big Mountain Operating LLC | Decatur, TX 76234 | Oil & Gas Operator | Sep 2026 |
| 2753 | Big Muddy Operating LLC | Casper, WY 82602 | Oil Operator | Jul 2026 |
| 2754 | Big Pine Petroleum Inc. | | Oil & Gas Operator | Dec 2024 |
| 2755 | Big Piney Oil & Gas Company | Dallas, TX 75206 | Oil & Gas Operator | Sep 1992 |
| 2756 | Big River Oil Field Services, LLC | | Oil Operator | Mar 2017 |
| 2757 | Big Rock Oil LLC | Frisco, TX 75034 | Oil Operator | Sep 2026 |
| 2758 | Big Rose Colony, Inc. | Shelby, MT 59474 | Gas Operator | Jun 2026 |
| 2759 | Big Run Production Company | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 2760 | Big Sand Drilling Company | Buckhannon, WV 262010000 | Oil & Gas Operator | Dec 2021 |
| 2761 | Big Shell Oil & Gas, Inc. | Taft, TX 78390 | Oil & Gas Operator | Sep 2026 |
| 2762 | Big Sky Energy Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2024 |
| 2763 | Big Sky Energy, LLC | Cody, WY 82414 | Oil & Gas Operator | May 2024 |
| 2764 | Big Sky Exploration LLC | Dana Point, CA 92629-2889 | Oil Operator | Apr 2020 |
| 2765 | Big Sky Gas Co. | Tribune, KS 67879 | Gas Operator | Dec 2001 |
| 2766 | Big Sky Oil Company | Nowata, OK 74048-0187 | Oil & Gas Operator | Mar 2015 |
| 2767 | Big Sky Production Co Inc | Perry, OK 73077 | Oil & Gas Operator | May 2006 |
| 2768 | Big Sky Well Service, Inc. | | Oil & Gas Operator | Aug 2018 |
| 2769 | Big Snowy Resources LP | Billings, MT 59105 | Oil Operator | Mar 2026 |
| 2770 | Big Star Investments, LLC | Fort Worth, TX 76121 | Oil & Gas Operator | Jun 2026 |
| 2771 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 2772 | Big State Industries, Inc. | Houston, TX 77010 | Oil & Gas Operator | Apr 2024 |
| 2773 | Big Three Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Jul 2006 |
| 2774 | Big Ticket, LLC | Lawrence, KS 66047 | Oil Operator | Jan 2026 |
| 2775 | Big Timber Minerals | Utica, KY 42376 | Oil Operator | Dec 2024 |
| 2776 | Big Tio, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Sep 2026 |
| 2777 | Big Top Oil & Gas LLC | Lambertville, MI 48144 | Oil Operator | Dec 2023 |
| 2778 | Big Valley Resources | | Oil Operator | Dec 2008 |
| 2779 | Big W Oil Company | Graham, TX 76450 | Oil & Gas Operator | May 2017 |
| 2780 | Big Wehner Drilling, LLC | | Oil Operator | May 2026 |
| 2781 | Big Wells Energy Corp | Katy, TX 77494 | Oil & Gas Operator | Sep 2019 |
| 2782 | Big West Of California LLC | | Oil & Gas Operator | Dec 2018 |
| 2783 | Big-Joe Operating, Co. | | Oil & Gas Operator | May 2017 |
| 2784 | Bigfoot Energy Services LLC | Carthage, TX 75633 | Oil & Gas Operator | Aug 2024 |
| 2785 | Bigfoot Oil LLC | Denver, CO 80206 | Oil Operator | Sep 2026 |
| 2786 | Biggs Jerrold L | Newark, OH 43055 | Oil & Gas Operator | Dec 2025 |
| 2787 | Biggs Resources, Inc. | | Oil Operator | Apr 1984 |
| 2788 | Biggs, Laura L | | Oil & Gas Operator | Jul 2019 |
| 2789 | Biggy'S Petroleum | | Oil & Gas Operator | Sep 2025 |
| 2790 | Bigiron Oil & Gas LLC | | Oil & Gas Operator | Jun 2026 |
| 2791 | Biglane Operating Company | | Oil & Gas Operator | Dec 2025 |
| 2792 | Bike Oil & Gas Company, Inc. | | Oil & Gas Operator | Aug 2002 |
| 2793 | Bilbe Operating Company | Sapulpa, OK 74066 | Oil & Gas Operator | Apr 2003 |
| 2794 | Bilbo Operating | Abilene, TX 79603 | Oil Operator | Mar 2004 |
| 2795 | Bileta Corporation | | Oil & Gas Operator | Aug 2010 |
| 2796 | Bill & Patsy Rich | Hobbs, NM 88240 | Oil Operator | Aug 2003 |
| 2797 | Bill And Jesse, Inc | | Oil & Gas Operator | Dec 2021 |
| 2798 | Bill Barrett Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
| 2799 | Bill Foster | | Oil Operator | Dec 2024 |
| 2800 | Bill Gallagher Enterprises LLC | Newport Beach, CA 92663 | Gas Operator | Jan 2016 |