| 1 | B J Resources, L.L.C. | Athens, TX 75751 | Oil & Gas Operator | Sep 2026 |
| 2 | Balance Production Corporation | Temple, TX 76503 | Oil & Gas Operator | Sep 2025 |
| 3 | Barbee, R.L. Operating, Inc. | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Sep 2026 |
| 4 | Barrow-Shaver Resources Co. | Tyler, TX 75703 | Oil & Gas Operator | Sep 2026 |
| 5 | Basa Resources, Inc. | Dallas, TX 75254 | Oil & Gas Operator | Sep 2026 |
| 6 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 7 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 8 | Beehive Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 9 | Bellwether Exploration Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 10 | Bend Petroleum Corp. | Muenster, TX 76252 | Oil & Gas Operator | Nov 2023 |
| 11 | Big Creek Operating Company LLC | Houston, TX 77065 | Oil & Gas Operator | Sep 2026 |
| 12 | Bison Energy Partners, LTD. | Houston, TX 77060 | Oil & Gas Operator | Apr 2002 |
| 13 | Block "T" Petroleum, Inc. | Tyler, TX 75707 | Oil & Gas Operator | Sep 2026 |
| 14 | Block T Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jun 2026 |
| 15 | BLS Resources, Inc. | Rosharon, TX 77583 | Oil & Gas Operator | Feb 2001 |
| 16 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | May 2026 |
| 17 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Dec 2020 |
| 18 | Booher Engineering, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Sep 2026 |
| 19 | Bosco Petroleum LLC | Muenster, TX 76252 | Oil Operator | Sep 2026 |
| 20 | Bowman, Fred Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2014 |
| 21 | Bozeman, John F. | Rosenberg, TX 77471 | Oil & Gas Operator | Sep 2005 |
| 22 | Brazos Resources, Inc. | College Sta, TX 77840 | Oil & Gas Operator | Dec 1998 |
| 23 | BRG Lone Star LTD. | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2026 |
| 24 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2020 |
| 25 | Bright Horizon Texas LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2016 |
| 26 | Brooks Petroleum Company | Tyler, TX 75703 | Oil & Gas Operator | Sep 2026 |
| 27 | Bryant & Carr, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Dec 1994 |
| 28 | Bryant - Chase Energy Corp. | Tyler, TX 75701 | Oil & Gas Operator | Aug 2004 |
| 29 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Sep 2026 |
| 30 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2026 |
| 31 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |