| 1 | Baker Operating, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Sep 2025 |
| 2 | Bam Permian Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Sep 2025 |
| 3 | Bargo Energy Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 4 | Barron Operating LLC | Midland, TX 79703 | Oil & Gas Operator | Jun 2011 |
| 5 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Sep 2025 |
| 6 | Basin Oil & Gas Operating LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2025 |
| 7 | Baxter, D. B. Inc. | Midland, TX 79708 | Oil & Gas Operator | Sep 2025 |
| 8 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 9 | Baylor Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Sep 2025 |
| 10 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 11 | Beach Oil & Gas, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Sep 2025 |
| 12 | Beaver Oil Company Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2020 |
| 13 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 14 | Berry Oil Comp. | Houston, TX 77002 | Oil & Gas Operator | Jul 2014 |
| 15 | Beryl Oil And Gas, LP | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 16 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Sep 2025 |
| 17 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 18 | Birch Operations, Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2025 |
| 19 | Black Arrow Operating, LLC | Dennis, TX 76439 | Oil & Gas Operator | Sep 2025 |
| 20 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2025 |
| 21 | Bluemark Energy, LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jun 2025 |
| 22 | Bluestem Energy Holdings, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 23 | Bold Operating, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | May 2019 |
| 24 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 25 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 26 | Brahaney Drilling Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2014 |
| 27 | Brahaney Drilling Company, LTD. | Midland, TX 79702 | Oil & Gas Operator | Oct 2015 |
| 28 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 29 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Sep 2025 |
| 30 | Brock Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2019 |
| 31 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Sep 2025 |
| 32 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 33 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 34 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 35 | Buckeye Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2018 |
| 36 | Burgundy Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 37 | Burleson Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 38 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 39 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 40 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 41 | Butler, Kevin O. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 42 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |