| 1 | B P Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Nov 2007 |
| 2 | B&L Operating Co. | Price, TX 75687 | Oil & Gas Operator | Apr 2024 |
| 3 | B-W Oil | Cisco, TX 76437 | Oil & Gas Operator | Apr 2024 |
| 4 | Bacon Energy | Ranger, TX 76470 | Oil & Gas Operator | Apr 2024 |
| 5 | Bam Production Company | Granbury, TX 76048 | Oil & Gas Operator | Aug 2003 |
| 6 | Bar Operating Production Co. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2004 |
| 7 | Bara Corporation | Flower Mound, TX 75027 | Oil & Gas Operator | Apr 2004 |
| 8 | Barbee, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 9 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
| 10 | Bayou Operating Company, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2024 |
| 11 | Bayridge Texas Corp. | Big Spring, TX 79720 | Oil & Gas Operator | Jul 2004 |
| 12 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 13 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Apr 2024 |
| 14 | Bennett Resources, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 15 | Benson & Schoen Oil Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2012 |
| 16 | Berry Energy Companies | Abilene, TX 79608 | Oil & Gas Operator | Apr 2024 |
| 17 | Big State Industries, Inc. | Houston, TX 77010 | Oil & Gas Operator | Apr 2024 |
| 18 | Bilmac Oil Co., Inc. | Abilene, TX 79601 | Oil & Gas Operator | Apr 2024 |
| 19 | Bitz, M. J. Company | Fort Worth, TX 76116 | Oil & Gas Operator | Aug 2003 |
| 20 | Blue Oil, Inc. | Burnet, TX 78611 | Oil & Gas Operator | Apr 2024 |
| 21 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 22 | Bonfire Operating LLC | Cresson, TX 76035 | Oil & Gas Operator | Apr 2024 |
| 23 | Boo-Row Pipe & Supply, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jan 2007 |
| 24 | Borden, Roland Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2024 |
| 25 | Boyd, Clyde Oil & Gas | Graham, TX 76450 | Oil & Gas Operator | Jan 2004 |
| 26 | Braka Operating, L.L.C. | Ranger, TX 76470 | Oil & Gas Operator | Apr 2024 |
| 27 | Brazos Resources, Inc. | College Sta, TX 77840 | Oil & Gas Operator | Dec 1998 |
| 28 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2024 |
| 29 | Brico Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2024 |
| 30 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 31 | Brittany Drilling Co. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2000 |
| 32 | Buckeye Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2018 |
| 33 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2024 |
| 34 | Bullet Development, LLC | Abilene, TX 79601 | Oil & Gas Operator | Apr 2024 |
| 35 | Bussey, Joe F. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 36 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |