| 1 | B H & C Operating Company, Inc. | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 2 | B-3 Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 3 | B. J. P. Operating | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 4 | B. M. J. Oil Venture | Luling, TX 78648 | Oil & Gas Operator | Jun 2005 |
| 5 | Bair'S Lease Service, Inc. | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 6 | Base Petroleum | Houston, TX 77096 | Oil & Gas Operator | Jul 1994 |
| 7 | Bastrop Energy Group | San Antonio, TX 78231 | Oil & Gas Operator | Feb 2026 |
| 8 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Feb 2026 |
| 9 | BBC Production Company Inc. | Pottstown, PA 19464 | Oil Operator | Feb 2026 |
| 10 | Bear Of Texas, Inc. | Grand Rapids, MI 49546 | Oil & Gas Operator | Mar 2008 |
| 11 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 12 | Benchmark Texas Petroleum, LLC. | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2026 |
| 13 | Bennett Oil | Dale, TX 78616 | Oil & Gas Operator | Sep 2000 |
| 14 | Benson-Wyatt Oil Co. Inc. | Austin, TX 78767 | Oil & Gas Operator | Jul 2003 |
| 15 | Black Dome Energy Corporation | Golden, CO 80401 | Oil & Gas Operator | Dec 2019 |
| 16 | Black Jack Oil Co Inc | Holliday, TX 76366 | Oil & Gas Operator | Dec 2025 |
| 17 | Black Jack Services, L.L.C. | Bastrop, TX 78602 | Oil & Gas Operator | Feb 2026 |
| 18 | Blackmar, Jim Oil Operator | Luling, TX 78648 | Oil & Gas Operator | Jan 2021 |
| 19 | Blalack, James William | Schertz, TX 78154 | Oil & Gas Operator | Feb 2026 |
| 20 | Blue Ridge Oil & Gas Exp., Inc. | Belleville, MI 48111 | Gas Operator | Jul 1994 |
| 21 | Bluebonnet Exploration Company | New Braunfels, TX 78130 | Oil & Gas Operator | Apr 2018 |
| 22 | Bob-Kat Oil Co. | Prairie Lea, TX 78661 | Oil & Gas Operator | Feb 2026 |
| 23 | Bollman & Bailey | Luling, TX 78648 | Oil & Gas Operator | Oct 2010 |
| 24 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Nov 2025 |
| 25 | Bruington Operating, L.L.C. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2015 |
| 26 | Brushy Creek Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 27 | Bubba Lynn Crude | San Marcos, TX 78666 | Oil Operator | Feb 2026 |
| 28 | Buffalo Resources Co. | Rosenberg, TX 77471 | Oil & Gas Operator | Sep 2000 |
| 29 | Buonadonna Oil LLC | Luling, TX 78648 | Oil Operator | Feb 2026 |
| 30 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 31 | Bush, Mark A. Oil And Gas Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |