| 1 | B & G Energy Corporation | Dallas, TX 75214 | Oil & Gas Operator | Mar 2025 |
| 2 | Baker Resources | San Angelo, TX 76902 | Oil & Gas Operator | Aug 2021 |
| 3 | Bankhead E & P LLC | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Mar 2025 |
| 4 | Bankhead Operating Corp. | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2025 |
| 5 | Barbee, R.L. Operating, Inc. | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Mar 2025 |
| 6 | Barron Petroleum LLC | San Antonio, TX 78205 | Oil & Gas Operator | Mar 2025 |
| 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 | Baylor Operating, LLC | Austin, TX 78766 | Oil & Gas Operator | Mar 2025 |
| 10 | Bayshore Exploration LLC | Bellville, TX 77418 | Oil & Gas Operator | Dec 2016 |
| 11 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 12 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 13 | Bennett, M. Brad Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2005 |
| 14 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
| 15 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Mar 2025 |
| 16 | Blackstone Energy Services LLC | Christoval, TX 76935 | Oil & Gas Operator | Mar 2025 |
| 17 | Blake Production Company, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Mar 2025 |
| 18 | Bledsoe Partners, Inc. | Oklahoma City, OK 73120 | Oil & Gas Operator | Mar 1995 |
| 19 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Mar 2025 |
| 20 | Bob Hughes Oil Company, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Mar 2025 |
| 21 | Bonfire Operating LLC | Cresson, TX 76035 | Oil & Gas Operator | Mar 2025 |
| 22 | Bonita Hydrocarbons Company | Dallas, TX 75229 | Oil & Gas Operator | Jun 2008 |
| 23 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 24 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Mar 2025 |
| 25 | Braman, D. H., Jr. | Victoria, TX 77901 | Oil & Gas Operator | Dec 2008 |
| 26 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2024 |
| 27 | Breeze Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Sep 1993 |
| 28 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 29 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 30 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 31 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Mar 2025 |
| 32 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 33 | BRP Energy, LLC | San Angelo, TX 76902 | Oil & Gas Operator | Mar 2025 |
| 34 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Mar 2025 |
| 35 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 36 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 37 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 38 | BVX Operating, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Mar 2025 |
| 39 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |