| 1 | B & S Salvage | Post, TX 79356 | Oil & Gas Operator | Mar 2025 |
| 2 | Banam Corporation | Midland, TX 79702 | Oil & Gas Operator | Nov 2013 |
| 3 | Bar D Energy, LLC | Lubbock, TX 79423 | Oil & Gas Operator | Mar 2025 |
| 4 | Bara Corporation | Flower Mound, TX 75027 | Oil & Gas Operator | Apr 2004 |
| 5 | Barrett Brothers Oil & Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2020 |
| 6 | Basin Oil & Gas Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2025 |
| 7 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 8 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
| 9 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Mar 2025 |
| 10 | Baylor Operating, LLC | Austin, TX 78766 | Oil & Gas Operator | Mar 2025 |
| 11 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 12 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 13 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 14 | Beach Oil & Gas, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Mar 2025 |
| 15 | Beekay Company | Dallas, TX 75219 | Oil & Gas Operator | Dec 1996 |
| 16 | Bennett, R. C., Company | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 17 | Berry Oil Comp. | Houston, TX 77002 | Oil & Gas Operator | Jul 2014 |
| 18 | Berry Oil Company, LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Apr 2019 |
| 19 | Berry Petroleum Company LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Dec 2024 |
| 20 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
| 21 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Mar 2025 |
| 22 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 23 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 24 | Black Arrow Operating, LLC | Dennis, TX 76439 | Oil & Gas Operator | Mar 2025 |
| 25 | Blair, Jack N. | Midland, TX 79702 | Oil & Gas Operator | May 1996 |
| 26 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 27 | Boaz Energy, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2014 |
| 28 | Bold Operating, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | May 2019 |
| 29 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 30 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 31 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2024 |
| 32 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2025 |
| 33 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 34 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 35 | Bright Hawk Operating Company | Spring, TX 77388 | Oil & Gas Operator | Mar 2025 |
| 36 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 37 | Britnic Oil & Gas, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Mar 2025 |
| 38 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 39 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Mar 2025 |
| 40 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 41 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 42 | Brown, H.L. Operating, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 43 | Browning Oil Company, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Mar 2025 |
| 44 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 45 | Buchanan, Billy R. | Coahoma, TX 79511 | Oil & Gas Operator | Mar 2025 |
| 46 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 2025 |
| 47 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 48 | Burkard Petroleum Company | Houston, TX 77056 | Oil & Gas Operator | May 2003 |
| 49 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 50 | Butler, Kevin O. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 51 | Butler, Kevin O. & Assoc., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |