| 1 | B & B Operating Company | Odessa, TX 79760 | Oil & Gas Operator | Apr 2024 |
| 2 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Apr 2024 |
| 3 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 4 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 5 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 6 | BCP Resources, LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
| 7 | Beach Oil & Gas, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Apr 2024 |
| 8 | Bennett, M. Brad Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2005 |
| 9 | Bennett, M. Brad LP | Midland, TX 79710 | Oil & Gas Operator | Jan 2006 |
| 10 | BHP Billiton Pet(Txla Op) Co | Denver, CO 80202 | Oil & Gas Operator | Jul 2019 |
| 11 | Black Gold Energy LLC | Monroe, LA 71207 | Oil Operator | Aug 2023 |
| 12 | Black Mountain Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 13 | Black Top Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 14 | Blake Oil & Gas Corporation | Midland, TX 79701 | Oil & Gas Operator | May 2004 |
| 15 | Blanco Engineering Inc. | Artesia, NM 88210 | Oil & Gas Operator | Feb 1997 |
| 16 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
| 17 | Bold Operating, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | May 2019 |
| 18 | Boyd, D. K. Oil And Gas Co.,Inc. | Midland, TX 79703 | Oil & Gas Operator | Apr 2024 |
| 19 | BP Products North America Inc | Houston, TX 77094 | Gas Operator | Jan 2017 |
| 20 | BPX Operating Company | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
| 21 | Bracken Production Company | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 22 | Brahaney Drilling Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2014 |
| 23 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2023 |
| 24 | Breitburn Operating, LP | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 25 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 26 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 27 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Apr 2024 |
| 28 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 29 | Browning Oil Company, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2024 |
| 30 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 31 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 32 | Burkholder, Terry L., Inc. | Pecos, TX 79772 | Oil & Gas Operator | Mar 2002 |
| 33 | Burlington Res O&G Co-Permian | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 34 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 35 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 36 | Byler Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |