| 1 | B & B Oil, Inc. | Kerrville, TX 78028 | Oil & Gas Operator | Dec 2025 |
| 2 | B&L Operating Co. | Price, TX 75687 | Oil & Gas Operator | Dec 2025 |
| 3 | B-W Oil | Cisco, TX 76437 | Oil & Gas Operator | Dec 2025 |
| 4 | B.R.H. Investments, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 1998 |
| 5 | B.W.O.C., Inc. | Plano, TX 75026 | Oil & Gas Operator | Dec 2025 |
| 6 | Baf Partnership | Coleman, TX 76834 | Oil & Gas Operator | Aug 1995 |
| 7 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
| 8 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
| 9 | Bayridge Texas Corp. | Big Spring, TX 79720 | Oil & Gas Operator | Jul 2004 |
| 10 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 11 | Bde Energy Solutions LLC | Bedford, TX 76021 | Oil Operator | Dec 2025 |
| 12 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 13 | Beasley Well Service Inc. | Tuscola, TX 79562 | Oil Operator | Dec 2025 |
| 14 | Bee-Jay Energy | Whiteface, TX 79379 | Oil & Gas Operator | Nov 1993 |
| 15 | Bendorf Services & Supply Co | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2000 |
| 16 | Benson & Schoen Oil Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2012 |
| 17 | Berry Energy Companies | Abilene, TX 79608 | Oil & Gas Operator | Dec 2025 |
| 18 | Beta-Tex, An Oklahoma Corp. | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2024 |
| 19 | Bex, Inc. | Nashville, TN 37209 | Oil & Gas Operator | Aug 2007 |
| 20 | Big D Energy Company | New Braunfels, TX 78132 | Oil & Gas Operator | Dec 2025 |
| 21 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 22 | Big Tio, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Dec 2025 |
| 23 | Black Strata LLC | Weatherford, TX 76086 | Oil Operator | Dec 2025 |
| 24 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Sep 2025 |
| 25 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 26 | BMB Oil Production | Coleman, TX 76834 | Oil & Gas Operator | Feb 2007 |
| 27 | Bob Hughes Oil Company, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Dec 2025 |
| 28 | Borderline Operating Corp. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 29 | Boyd, Clyde Oil & Gas | Graham, TX 76450 | Oil & Gas Operator | Jan 2004 |
| 30 | BP Exploration | Abilene, TX 79604 | Oil & Gas Operator | Aug 2003 |
| 31 | Bpa Oilfield Services | Coleman, TX 76834 | Oil & Gas Operator | Dec 2025 |
| 32 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2025 |
| 33 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 34 | Britnic Oil & Gas, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Dec 2025 |
| 35 | Broadway Petroleum Company, LLC | New York, NY 10152 | Oil Operator | Dec 2025 |
| 36 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 37 | Brown, Edmond | Loving, TX 76460 | Oil & Gas Operator | Dec 2017 |
| 38 | Bullet Development, LLC | Abilene, TX 79601 | Oil & Gas Operator | Dec 2025 |
| 39 | Burger, F.W. Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 40 | Burgess, W. E. | Fort Worth, TX 76147 | Oil & Gas Operator | Dec 2025 |
| 41 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 42 | Bussey, Joe F. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |