| 1 | Banam Corporation | Midland, TX 79702 | Oil & Gas Operator | Nov 2013 |
| 2 | Barrett Brothers Oil & Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2020 |
| 3 | Barton Oil Co. | Baird, TX 79504 | Oil Operator | Jun 2004 |
| 4 | Basa Resources, Inc. | Dallas, TX 75254 | Oil & Gas Operator | Sep 2026 |
| 5 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Sep 2026 |
| 6 | Basin Oil & Gas Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2026 |
| 7 | Bass Petroleum Inc | Austin, TX 78716 | Oil & Gas Operator | Sep 2026 |
| 8 | Baxter, D. B. Inc. | Midland, TX 79708 | Oil & Gas Operator | Sep 2026 |
| 9 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
| 10 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 11 | Bayridge Texas Corp. | Big Spring, TX 79720 | Oil & Gas Operator | Jul 2004 |
| 12 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 13 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 14 | BCM Energy Operating LLC | Lafayette, LA 70503 | Oil Operator | Jun 2015 |
| 15 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 16 | Bechtel Energy Resources Corp. | Houston, TX 77210 | Oil & Gas Operator | Jun 1996 |
| 17 | Becker, Clyde M. | Ponca City, OK 74601 | Oil & Gas Operator | Oct 2009 |
| 18 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Sep 2026 |
| 19 | Bee-Jay Energy | Whiteface, TX 79379 | Oil & Gas Operator | Nov 1993 |
| 20 | Bee-Jay Petro, Inc. | Levelland, TX 79336 | Oil & Gas Operator | Jun 2024 |
| 21 | Bennett, M. Brad Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2005 |
| 22 | Berry Oil Comp. | Houston, TX 77002 | Oil & Gas Operator | Jul 2014 |
| 23 | Beryl Oil And Gas, LP | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 24 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 25 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 26 | Birch Operations, Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2026 |
| 27 | Black Gold Energy LLC | Jenks, OK 74037 | Oil Operator | Jun 2024 |
| 28 | Black Swan Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2023 |
| 29 | Blair Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
| 30 | Blair, Jack N. | Midland, TX 79702 | Oil & Gas Operator | May 1996 |
| 31 | Blue Darter Energy, LLC | Sunnyvale, TX 75182 | Oil & Gas Operator | Aug 2019 |
| 32 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 33 | Bluebonnet Energy Corporation | Englewood, CO 80112 | Oil & Gas Operator | Sep 2015 |
| 34 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 35 | Brahaney Drilling Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2014 |
| 36 | Brahaney Drilling Company, LTD. | Midland, TX 79702 | Oil & Gas Operator | Oct 2015 |
| 37 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 38 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2026 |
| 39 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 40 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2026 |
| 41 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 42 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 43 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 44 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 45 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 46 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 47 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 48 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 49 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 50 | Burleson Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 51 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
| 52 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 53 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 54 | Butler, Kevin O. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 55 | Butler, Kevin O. & Assoc., Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 56 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |