| 1 | B & G Energy Corporation | Dallas, TX 75214 | Oil & Gas Operator | Oct 2025 |
| 2 | B J Resources, L.L.C. | Athens, TX 75751 | Oil & Gas Operator | Oct 2025 |
| 3 | Bam Permian Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Oct 2025 |
| 4 | Bargo Energy Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 5 | Barnett Energy, Inc. | The Colony, TX 75056 | Oil & Gas Operator | Oct 2025 |
| 6 | Barrett Brothers Oil & Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2020 |
| 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 | Basin Oil & Gas Operating LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Oct 2025 |
| 10 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 11 | Battlecat Operating Company, LLC | Houston, TX 77082 | Oil & Gas Operator | Jul 2019 |
| 12 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
| 13 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
| 14 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 15 | Baylor Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2025 |
| 16 | Bayridge Texas Corp. | Big Spring, TX 79720 | Oil & Gas Operator | Jul 2004 |
| 17 | Bayswater Operating Company LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 18 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 19 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 20 | BCP Resources, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 21 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 22 | Beasley, Kenneth | Abilene, TX 79602 | Oil & Gas Operator | Oct 2025 |
| 23 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Oct 2025 |
| 24 | Beech Resources LLC | Williamsport, PA 17701-6209 | Gas Operator | Jul 2025 |
| 25 | Beekay Company | Dallas, TX 75219 | Oil & Gas Operator | Dec 1996 |
| 26 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 27 | Benson & Schoen Oil Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2012 |
| 28 | Beryl Oil And Gas, LP | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 29 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 30 | Big D Energy Company | New Braunfels, TX 78132 | Oil & Gas Operator | Oct 2025 |
| 31 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 32 | Bills, L. T. | Snyder, TX 79549 | Oil & Gas Operator | Oct 2025 |
| 33 | Birch Operations, Inc. | Houston, TX 77010 | Oil & Gas Operator | Oct 2025 |
| 34 | BKM Production | Gainesville, TX 76240 | Oil & Gas Operator | Oct 2025 |
| 35 | Black Oil Company, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2010 |
| 36 | Blair Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
| 37 | Blair, Jack N. | Midland, TX 79702 | Oil & Gas Operator | May 1996 |
| 38 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 39 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 40 | Blue River Inc. | Abilene, TX 79608 | Oil Operator | Oct 2025 |
| 41 | Bluemark Energy, LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jun 2025 |
| 42 | Bomar Operating Co., LC | Bellaire, TX 77401 | Oil & Gas Operator | Oct 2025 |
| 43 | Bond Operating Company | Dallas, TX 75219 | Oil & Gas Operator | Jan 2025 |
| 44 | Boss Services, L.L.C. | Ira, TX 79527 | Oil & Gas Operator | Aug 2019 |
| 45 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 46 | Boyles, L. S. | Del Rio, TX 78840 | Oil & Gas Operator | Oct 2025 |
| 47 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Oct 2025 |
| 48 | Brahaney Drilling Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2014 |
| 49 | Braman, D. H., Jr. | Victoria, TX 77901 | Oil & Gas Operator | Dec 2008 |
| 50 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 51 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 52 | Brazos Resources, Inc. | College Sta, TX 77840 | Oil & Gas Operator | Dec 1998 |
| 53 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 54 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 55 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 56 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 57 | Broman Oil & Gas LP | Fort Worth, TX 76102 | Oil & Gas Operator | May 2017 |
| 58 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 59 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Oct 2025 |
| 60 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 61 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 62 | Brown, H.L. Operating, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 63 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 64 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 65 | Buchanan, Billy R. | Coahoma, TX 79511 | Oil & Gas Operator | Oct 2025 |
| 66 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 67 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 68 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |
| 69 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |