| 1 | B & B Oil, Inc. | Kerrville, TX 78028 | Oil & Gas Operator | Oct 2025 |
| 2 | B & B Operating Company | Odessa, TX 79760 | Oil & Gas Operator | Oct 2025 |
| 3 | B & D Enterprises | Breckenridge, TX 76424 | Oil & Gas Operator | Mar 2014 |
| 4 | B&L Operating Co. | Price, TX 75687 | Oil & Gas Operator | Oct 2025 |
| 5 | B-W Oil | Cisco, TX 76437 | Oil & Gas Operator | Oct 2025 |
| 6 | Bacon Energy | Cisco, TX 76437 | Oil & Gas Operator | Oct 2025 |
| 7 | Ball Producing Co. | Eastland, TX 76448 | Oil & Gas Operator | Oct 2025 |
| 8 | Bam Operating, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Nov 2014 |
| 9 | Bandera Petroleum, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Nov 2018 |
| 10 | Bar Operating Production Co. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2004 |
| 11 | Barnett Operating, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 1999 |
| 12 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
| 13 | Bayou Operating Company, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Oct 2025 |
| 14 | Bear Springs Oil & Gas, L.L.C | Gorman, TX 76454 | Oil & Gas Operator | Oct 2025 |
| 15 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Oct 2025 |
| 16 | Belcor Inc. | Irvine, CA 92714 | Oil & Gas Operator | Nov 2000 |
| 17 | Bendorf Services & Supply Co | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2000 |
| 18 | Benedum - Trees Oil Co | Chicago, IL 60673 | Oil & Gas Operator | Dec 2005 |
| 19 | Benson & Schoen Oil Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2012 |
| 20 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Oct 2025 |
| 21 | Big State Industries, Inc. | Houston, TX 77010 | Oil & Gas Operator | Apr 2024 |
| 22 | Big Tio, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Oct 2025 |
| 23 | Bilmac Oil Co., Inc. | Abilene, TX 79601 | Oil & Gas Operator | Oct 2025 |
| 24 | Bitz, M. J. Company | Fort Worth, TX 76116 | Oil & Gas Operator | Aug 2003 |
| 25 | Blackbird R 22 Og L.L.C. | Eastland, TX 76448 | Gas Operator | Oct 2025 |
| 26 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 27 | Bluff Creek Petroleum, LLC | Abilene, TX 79603 | Oil & Gas Operator | Oct 2025 |
| 28 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Dec 2020 |
| 29 | Bonfire Operating LLC | Cresson, TX 76035 | Oil & Gas Operator | Oct 2025 |
| 30 | Boo-Row Pipe & Supply, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jan 2007 |
| 31 | Boondocks Solutions LLC | Tomball, TX 77375 | Oil & Gas Operator | Oct 2025 |
| 32 | Boykin, Ross Oil Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2016 |
| 33 | BP Exploration | Abilene, TX 79604 | Oil & Gas Operator | Aug 2003 |
| 34 | Braka Operating, L.L.C. | Ranger, TX 76470 | Oil & Gas Operator | Oct 2025 |
| 35 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 36 | Brazos Resources, Inc. | College Sta, TX 77840 | Oil & Gas Operator | Dec 1998 |
| 37 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 38 | Brico Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 39 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 40 | Bruce Operating Account | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 41 | Buck Wheat Resources, L.P. | Eastland, TX 76448 | Oil & Gas Operator | Oct 2025 |
| 42 | Buckeye Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2018 |
| 43 | Bullet Development, LLC | Abilene, TX 79601 | Oil & Gas Operator | Oct 2025 |
| 44 | Burger, F.W. Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 45 | Burns, Bill C. | Midland, TX 79701 | Oil & Gas Operator | Dec 1997 |
| 46 | Burton Services, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 47 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 48 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 49 | Byrne Oil Company | Lubbock, TX 79424 | Oil & Gas Operator | Oct 2025 |
| 50 | Byrne, Robert E. | Lubbock, TX 79416 | Oil & Gas Operator | Jan 2005 |