| 2901 | Big Sky Gas Co. | Tribune, KS 67879 | Gas Operator | Dec 2001 |
| 2902 | Big Sky Oil Company | Nowata, OK 74048-0187 | Oil & Gas Operator | Mar 2015 |
| 2903 | Big Sky Production Co Inc | Perry, OK 73077 | Oil & Gas Operator | May 2006 |
| 2904 | Big Sky Well Service, Inc. | | Oil & Gas Operator | Aug 2018 |
| 2905 | Big Snowy Resources LP | Billings, MT 59105 | Oil Operator | Dec 2025 |
| 2906 | Big Star Exploration | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 2025 |
| 2907 | Big Star Investments, LLC | Fort Worth, TX 76121 | Oil & Gas Operator | Oct 2025 |
| 2908 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 2909 | Big State Industries, Inc. | Houston, TX 77010 | Oil & Gas Operator | Apr 2024 |
| 2910 | Big Three Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Jul 2006 |
| 2911 | Big Ticket, LLC | Lawrence, KS 66047 | Oil Operator | Mar 2025 |
| 2912 | Big Tio, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Dec 2025 |
| 2913 | Big Top Oil & Gas LLC | Lambertville, MI 48144 | Oil Operator | Dec 2023 |
| 2914 | Big Valley Resources | | Oil Operator | Dec 2008 |
| 2915 | Big W Oil Company | Graham, TX 76450 | Oil & Gas Operator | May 2017 |
| 2916 | Big Wells Energy Corp | Katy, TX 77494 | Oil & Gas Operator | Sep 2019 |
| 2917 | Big West Of California LLC | | Oil & Gas Operator | Dec 2018 |
| 2918 | Big-Joe Operating, Co. | | Oil & Gas Operator | May 2017 |
| 2919 | Bigfoot Energy Services LLC | Carthage, TX 75633 | Oil & Gas Operator | Aug 2024 |
| 2920 | Bigfoot Oil LLC | Denver, CO 80206 | Oil Operator | Dec 2025 |
| 2921 | Biggs Jerrold L | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 2922 | Biggs Resources, Inc. | | Oil Operator | Apr 1984 |
| 2923 | Biggs, Laura L | | Oil & Gas Operator | Jul 2019 |
| 2924 | Biggy'S Petroleum | | Oil & Gas Operator | Sep 2025 |
| 2925 | Bigiron Oil & Gas LLC | | Oil & Gas Operator | Nov 2025 |
| 2926 | Biglane Operating Company | | Oil & Gas Operator | Oct 2025 |
| 2927 | Bike Oil & Gas Company, Inc. | | Oil & Gas Operator | Aug 2002 |
| 2928 | Bilbe Operating Company | Sapulpa, OK 74066 | Oil & Gas Operator | Apr 2003 |
| 2929 | Bilbo Operating | Abilene, TX 79603 | Oil Operator | Mar 2004 |
| 2930 | Bileta Corporation | | Oil & Gas Operator | Aug 2010 |
| 2931 | Bill & Patsy Rich | Hobbs, NM 88240 | Oil Operator | Aug 2003 |
| 2932 | Bill And Jesse, Inc | | Oil & Gas Operator | Dec 2021 |
| 2933 | Bill Barrett Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
| 2934 | Bill Foster | | Oil Operator | Dec 2024 |
| 2935 | Bill Gallagher Enterprises LLC | Newport Beach, CA 92663 | Gas Operator | Jan 2016 |
| 2936 | Bill Gary | | Gas Operator | Jul 1995 |
| 2937 | Bill Hill Oil & Gas, Inc. | Kilgore, TX 75663 | Oil Operator | Apr 2019 |
| 2938 | Bill L Miller | Loco Hills, NM 882550011 | Oil & Gas Operator | May 2021 |
| 2939 | Bill Tarver | | Oil Operator | Nov 2004 |
| 2940 | Bill Taylor | Rio Rancho, NM 87144 | Oil Operator | Apr 2011 |
| 2941 | Bill Weems Oil LLC | Seminole, OK 74868 | Oil & Gas Operator | Sep 2025 |
| 2942 | Billco Energy Inc | La Plata, NM 87418 | Oil & Gas Operator | Sep 2003 |
| 2943 | Billerio, John | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 2944 | Billfisch Exploration Co., Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Oct 1997 |
| 2945 | Billingsley Engineering Co. | | Oil & Gas Operator | May 1994 |
| 2946 | Billington Oil & Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2025 |
| 2947 | Billips Trust - | | Oil Operator | Nov 1996 |
| 2948 | Bills, L. T. | Snyder, TX 79549 | Oil & Gas Operator | Dec 2025 |
| 2949 | Billy A. Poisso | | Oil & Gas Operator | Apr 2023 |
| 2950 | Billy Cundiff Gas Company | | Gas Operator | Jul 2000 |
| 2951 | Billy E. Bayles | | Oil & Gas Operator | Apr 1998 |
| 2952 | Billy Jack Sharber Operating LLC | Seminole, OK 74868 | Oil & Gas Operator | Nov 2025 |
| 2953 | Billy Judd Investment Company | Ardmore, OK 73401-1095 | Oil & Gas Operator | Nov 2025 |
| 2954 | Billy Matthews Production LLC | Dover, OK 73734 | Oil & Gas Operator | Nov 2025 |
| 2955 | Billy Oil Incorp | | Oil & Gas Operator | Nov 1991 |
| 2956 | Billy P. Bullock-Production | | Oil Operator | Jan 1991 |
| 2957 | Billy Young | | Oil Operator | Aug 1989 |
| 2958 | Bilmac Oil Co., Inc. | Abilene, TX 79601 | Oil & Gas Operator | Dec 2025 |
| 2959 | Bing Harold C | Newcastle, WY 82701 | Oil Operator | Jun 1992 |
| 2960 | Binger Operations LLC | Houston, TX 77057-3187 | Oil & Gas Operator | Nov 2025 |
| 2961 | Bingham Bill S | Claremore, OK 74017 | Oil Operator | Jul 1998 |
| 2962 | Bingham'S Oil & Gas | Midland, TX 79708 | Oil & Gas Operator | Jan 2002 |
| 2963 | Bingman J Brian | Sapulpa, OK 74066-1108 | Oil & Gas Operator | May 2013 |
| 2964 | Bingman Lois Lemons | Healdton, OK 73438-0328 | Oil Operator | Sep 1996 |
| 2965 | Binion Exploration & Development | | Oil Operator | Nov 2025 |
| 2966 | Binney Duane Dba Bens Petroleum Co | | Oil Operator | Apr 2012 |
| 2967 | Bintliff Props. LTD. PRTNRSHP. | | Oil & Gas Operator | Dec 1987 |
| 2968 | Birch Corporation | Denver, CO 80217 | Oil & Gas Operator | Dec 1989 |
| 2969 | Birch Operations, Inc. | Houston, TX 77010 | Oil & Gas Operator | Dec 2025 |
| 2970 | Bird & Hanley | | Oil Operator | Dec 1993 |
| 2971 | Bird Creek LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2005 |
| 2972 | Bird Creek Oil Company | Tulsa, OK 74126 | Oil & Gas Operator | Dec 2000 |
| 2973 | Bird Creek Resources Inc | Tulsa, OK 74121 | Oil & Gas Operator | Jul 2022 |
| 2974 | Bird Dog Oil, LLC | Denver, CO 80202 | Oil Operator | Sep 2025 |
| 2975 | Bird E&P LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 2976 | Bird Energy Inco | | Oil & Gas Operator | Mar 1993 |
| 2977 | Bird Enterprises | | Oil Operator | Feb 2002 |
| 2978 | Bird Oil & Gas Inc | Yukon, OK 73099-2827 | Oil & Gas Operator | Jan 2023 |
| 2979 | Bird Oil Corporation | | Oil & Gas Operator | Jul 1992 |
| 2980 | Bird, Charles A. | Midland, TX 79701 | Oil & Gas Operator | Feb 2012 |
| 2981 | Birdwell Oil & Gas, L.L.C. | Bryson, TX 76427 | Oil & Gas Operator | Dec 2025 |
| 2982 | Birdwell, C. E. | Bryson, TX 76427 | Oil & Gas Operator | Dec 2001 |
| 2983 | Birdwell, Mike Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Jun 2012 |
| 2984 | Birge Oil Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jun 1995 |
| 2985 | Birk Edward E | | Oil Operator | Dec 2009 |
| 2986 | Birk Petroleum | | Oil Operator | Sep 2025 |
| 2987 | Birk, Darrin L. | Burlington, KS 66839 | Oil Operator | Sep 2025 |
| 2988 | Birk, Linda | Burlington, KS 66839 | Oil Operator | Sep 2025 |
| 2989 | Birks Robert L Dba Birks Production | Asher, OK 74826-9633 | Oil & Gas Operator | Oct 2025 |
| 2990 | Birmingham-Bartl | | Oil Operator | Aug 1994 |
| 2991 | Biron Incorporat | | Oil Operator | Aug 1989 |
| 2992 | Bisbee Gas & Oil | | Oil & Gas Operator | Mar 1995 |
| 2993 | Bisbee Oil And Gas Co., Inc. | Kansas City, MO 64106 | Oil & Gas Operator | Dec 2009 |
| 2994 | Bisco Inc | Lovington, NM 88260 | Oil & Gas Operator | Feb 2007 |
| 2995 | Bisco Oil Company | Lovington, NM 88260 | Oil & Gas Operator | May 2000 |
| 2996 | Bishop 3B Production LLC | Dewey, OK 74029-2140 | Oil Operator | Apr 2024 |
| 2997 | Bishop Oil & Exp | | Oil Operator | Dec 1988 |
| 2998 | Bishop Petroleum Corp | Arvada, CO 80002 | Oil & Gas Operator | Oct 1993 |
| 2999 | Bishop Petroleum Inc. | Houston, TX 77007 | Oil & Gas Operator | Dec 2025 |
| 3000 | Bishop, Charlus J. | Kingman, KS 67068 | Oil Operator | Sep 1997 |