| 1 | B.P. Oil Company | Midland, TX 79706 | Oil & Gas Operator | Oct 2025 |
| 2 | Bam Permian Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Oct 2025 |
| 3 | Banam Corporation | Midland, TX 79702 | Oil & Gas Operator | Nov 2013 |
| 4 | Barnhart Co. | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 5 | Baron Energy Inc. | San Marcos, TX 78666 | Oil & Gas Operator | Oct 2025 |
| 6 | Barrow-Shaver Resources Co. | Tyler, TX 75703 | Oil & Gas Operator | Oct 2025 |
| 7 | Basa Resources, Inc. | Dallas, TX 75254 | Oil & Gas Operator | Oct 2025 |
| 8 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Oct 2025 |
| 9 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 10 | Baylor Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2025 |
| 11 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 12 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 13 | BCP Resources, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 14 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 15 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 16 | Berry Oil Comp. | Houston, TX 77002 | Oil & Gas Operator | Jul 2014 |
| 17 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 18 | BHP Billiton Pet(Txla Op) Co | Denver, CO 80202 | Oil & Gas Operator | Jul 2019 |
| 19 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 20 | Big Lake J J Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Oct 2025 |
| 21 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 22 | Bills, L. T. | Snyder, TX 79549 | Oil & Gas Operator | Oct 2025 |
| 23 | Bird E&P LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 24 | Bird, Charles A. | Midland, TX 79701 | Oil & Gas Operator | Feb 2012 |
| 25 | Bishop, D. L. | Midland, TX 79702 | Oil & Gas Operator | Mar 2012 |
| 26 | Black Arrow Operating, LLC | Dennis, TX 76439 | Oil & Gas Operator | Oct 2025 |
| 27 | Black Mountain SWD LP | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 28 | Black Resources, Inc. | Granbury, TX 76049 | Oil & Gas Operator | Mar 2008 |
| 29 | Black Swan Opco, LLC | Edmond, OK 73013 | Oil & Gas Operator | Oct 2025 |
| 30 | Blanco Oil Co. | San Antonio, TX 78230 | Oil & Gas Operator | Feb 2004 |
| 31 | Bledsoe Partners, Inc. | Oklahoma City, OK 73120 | Oil & Gas Operator | Mar 1995 |
| 32 | Blue Star Natural Resources, LLC | San Angelo, TX 76906 | Oil & Gas Operator | Oct 2025 |
| 33 | Bluestem Energy Holdings, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 34 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 35 | Bodark Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Jul 2009 |
| 36 | Bold Operating, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | May 2019 |
| 37 | Bomar Operating Co., LC | Bellaire, TX 77401 | Oil & Gas Operator | Oct 2025 |
| 38 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 39 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 40 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Oct 2025 |
| 41 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 42 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 43 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 44 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 45 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 46 | Broad Oak Energy, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Jul 2011 |
| 47 | Broman Oil & Gas LP | Fort Worth, TX 76102 | Oil & Gas Operator | May 2017 |
| 48 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Oct 2025 |
| 49 | Brotherton Production Co. | Spokane, WA 99216 | Oil & Gas Operator | Oct 2025 |
| 50 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 51 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Oct 2025 |
| 52 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 53 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 54 | BRP Energy, LLC | San Angelo, TX 76902 | Oil & Gas Operator | Oct 2025 |
| 55 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 56 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 57 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 58 | Burleson Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 59 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
| 60 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 61 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 62 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |