| 1 | Badger Oil Corporation | Lafayette, LA 70505 | Oil & Gas Operator | Nov 2011 |
| 2 | Banam Corporation | Midland, TX 79702 | Oil & Gas Operator | Nov 2013 |
| 3 | Banding M R Inc | Gillette, WY 82717 | Oil & Gas Operator | Aug 2025 |
| 4 | Barnett Energy, Inc. | The Colony, TX 75056 | Oil & Gas Operator | Oct 2025 |
| 5 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Oct 2025 |
| 6 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 7 | Bayridge Texas Corp. | Big Spring, TX 79720 | Oil & Gas Operator | Jul 2004 |
| 8 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 9 | BBS Oil Field Services Inc | Post, TX 79356 | Oil & Gas Operator | Oct 2025 |
| 10 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Oct 2025 |
| 11 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 12 | Benson & Schoen Oil Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2012 |
| 13 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 14 | Bevo Production Co. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2014 |
| 15 | BHB Operating Inc. | Fort Worth, TX 76137 | Oil & Gas Operator | Oct 2025 |
| 16 | Big Al Oil And Gas | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 17 | Big D Energy Company | New Braunfels, TX 78132 | Oil & Gas Operator | Oct 2025 |
| 18 | Bills, L. T. | Snyder, TX 79549 | Oil & Gas Operator | Oct 2025 |
| 19 | Bishop, D. L. | Midland, TX 79702 | Oil & Gas Operator | Mar 2012 |
| 20 | Black Arrow Operating, LLC | Dennis, TX 76439 | Oil & Gas Operator | Oct 2025 |
| 21 | Black Jack Services, L.L.C. | Bastrop, TX 78602 | Oil & Gas Operator | Oct 2025 |
| 22 | Blair Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
| 23 | Blue River Inc. | Abilene, TX 79608 | Oil Operator | Oct 2025 |
| 24 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Oct 2025 |
| 25 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Dec 2020 |
| 26 | Bomar Operating Co., LC | Bellaire, TX 77401 | Oil & Gas Operator | Oct 2025 |
| 27 | Boss Services, L.L.C. | Ira, TX 79527 | Oil & Gas Operator | Aug 2019 |
| 28 | Brahman Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 29 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 30 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 31 | BRG Production Company | Tulsa, OK 74136-6338 | Oil & Gas Operator | Jul 2025 |
| 32 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 33 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 34 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Oct 2025 |
| 35 | Browning Oil Company, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Oct 2025 |
| 36 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 37 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 38 | Buckeye Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2018 |
| 39 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 40 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 41 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | Oct 2025 |