| 901 | Burlington Res O & G Co-Midland | Houston, TX 77252 | Oil & Gas Operator | Mar 2020 |
| 902 | Burlington Res O&G Co-Permian | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 903 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
| 904 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Apr 2026 |
| 905 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 906 | Burnett Corp. | Amarillo, TX 79105 | Oil & Gas Operator | May 1998 |
| 907 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2026 |
| 908 | Burns Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2002 |
| 909 | Burns Operating LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2009 |
| 910 | Burns Production Corporation | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 911 | Burns, Bill C. | Midland, TX 79701 | Oil & Gas Operator | Dec 1997 |
| 912 | Burns, Gene Oil & Gas | Odessa, TX 79765 | Oil & Gas Operator | Dec 2020 |
| 913 | Burns, P. C. Oil Producers Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2000 |
| 914 | Burro Bluff Corporation | Houston, TX 77024 | Oil & Gas Operator | Apr 2026 |
| 915 | Burtco | Lubbock, TX 79407 | Oil & Gas Operator | Apr 2026 |
| 916 | Burton Services, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2026 |
| 917 | Burton, V.C. Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2016 |
| 918 | Bush Operating | Archer City, TX 76351 | Oil & Gas Operator | Apr 2026 |
| 919 | Bush, Mark A. Oil And Gas Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2026 |
| 920 | Bushmaster Production Company, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2026 |
| 921 | Bussey, Joe F. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 922 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 923 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 924 | Butler & Harbison | Olney, TX 76374 | Oil & Gas Operator | Oct 2005 |
| 925 | Butler, C. D. | Grandfalls, TX 79742 | Oil & Gas Operator | Dec 2004 |
| 926 | Butler, Kevin O. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 927 | Butler, Kevin O. & Assoc., Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 928 | Buttes Resources Company | Houston, TX 77056 | Oil & Gas Operator | May 2007 |
| 929 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |
| 930 | Buxton Energy LLC | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Apr 2014 |
| 931 | BVX Operating, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Apr 2026 |
| 932 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
| 933 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Apr 2026 |
| 934 | Byers, R.D. | Vernon, TX 76384 | Oil & Gas Operator | Feb 1998 |
| 935 | Byler Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 936 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | Apr 2026 |
| 937 | Bynum Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2003 |
| 938 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 939 | Byrne Oil Company | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2026 |
| 940 | Byrne, Robert E. | Lubbock, TX 79416 | Oil & Gas Operator | Jan 2005 |
| 941 | Bytex Oil Company | Midland, TX 79708 | Oil & Gas Operator | Jan 2019 |