| 1 | B D Production Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
| 2 | B.P. Productions Inc. | Victoria, TX 77904 | Oil & Gas Operator | Dec 2024 |
| 3 | B.W.O.C., Inc. | Plano, TX 75026 | Oil & Gas Operator | Dec 2024 |
| 4 | Barrett Brothers Oil & Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2020 |
| 5 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Dec 2024 |
| 6 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 7 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 8 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 2024 |
| 9 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
| 10 | Beard Oil Company, LLC | Edna, TX 77957 | Oil & Gas Operator | Dec 2024 |
| 11 | Big "6" Drilling Company | Houston, TX 77063 | Oil & Gas Operator | Mar 2019 |
| 12 | Big Creek Operating Company LLC | Houston, TX 77065 | Oil & Gas Operator | Dec 2024 |
| 13 | Bison Energy Partners, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2001 |
| 14 | Bison Energy Partners, LTD. | Houston, TX 77060 | Oil & Gas Operator | Apr 2002 |
| 15 | Black Draw Energy LLC | Cypress, TX 77433 | Oil & Gas Operator | Dec 2024 |
| 16 | Bluco Production Co., Inc. | Austin, TX 78716 | Oil & Gas Operator | Dec 2024 |
| 17 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Dec 2024 |
| 18 | BNP Operating LLC | Corpus Chrsti, TX 78471 | Gas Operator | Jan 2015 |
| 19 | BNP Petroleum Corporation | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Dec 2024 |
| 20 | Boling Production Company, Inc. | Boling, TX 77420 | Oil & Gas Operator | Dec 2024 |
| 21 | Bonfire Operating LLC | Cresson, TX 76035 | Oil & Gas Operator | Dec 2024 |
| 22 | Borger Resources 4 LLC | Borger, TX 79007 | Oil & Gas Operator | Dec 2024 |
| 23 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
| 24 | Braman, D. H., Jr. | Victoria, TX 77901 | Oil & Gas Operator | Dec 2008 |
| 25 | Brayton Operating Corp. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Sep 2009 |
| 26 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2024 |
| 27 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 28 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 29 | Bridge Oil Production Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1993 |
| 30 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 31 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 32 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 33 | Bse Production Co. | Victoria, TX 77903 | Oil & Gas Operator | Dec 2024 |
| 34 | Buffalo Resources Co. | Rosenberg, TX 77471 | Oil & Gas Operator | Sep 2000 |
| 35 | Bull Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Dec 2024 |
| 36 | Burke, Harry Petroleum | Houston, TX 77080 | Oil & Gas Operator | Nov 2024 |
| 37 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Dec 2024 |
| 38 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 39 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2024 |