| 1 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 2 | Barj Oil Co. | Brownfield, TX 79316 | Oil & Gas Operator | Oct 2025 |
| 3 | Barrett Brothers Oil & Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2020 |
| 4 | Basin Oil & Gas Operating LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Oct 2025 |
| 5 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 6 | Baylor Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2025 |
| 7 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 8 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 9 | BCP Resources, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 10 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 11 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 12 | Bison Petroleum Corporation | Amarillo, TX 79121 | Oil & Gas Operator | Mar 1996 |
| 13 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 14 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 15 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 16 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 17 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 18 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 19 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 20 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 21 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 22 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 23 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 24 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 25 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 26 | Bullin, R. E. Operating Inc. | Levelland, TX 79336 | Oil & Gas Operator | Oct 2025 |
| 27 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 28 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
| 29 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 30 | Burns Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2002 |
| 31 | Burns, Bill C. | Midland, TX 79701 | Oil & Gas Operator | Dec 1997 |
| 32 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |