| 1 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 2 | Barrow-Shaver Resources Co. | Tyler, TX 75703 | Oil & Gas Operator | Dec 2024 |
| 3 | Beehive Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
| 4 | Berry Oil Comp. | Houston, TX 77002 | Oil & Gas Operator | Jul 2014 |
| 5 | Berry Oil Company, LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Apr 2019 |
| 6 | Berry Petroleum Company LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Oct 2024 |
| 7 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
| 8 | Bexco Operating, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Dec 2024 |
| 9 | BHB Operating Inc. | Fort Worth, TX 76137 | Oil & Gas Operator | Dec 2024 |
| 10 | Big Run Production Company | Tyler, TX 75701 | Oil & Gas Operator | Dec 2024 |
| 11 | Bishop Petroleum Inc. | Houston, TX 77007 | Oil & Gas Operator | Dec 2024 |
| 12 | Black Jack Services, L.L.C. | Bastrop, TX 78602 | Oil & Gas Operator | Dec 2024 |
| 13 | Bluco Production Co., Inc. | Austin, TX 78716 | Oil & Gas Operator | Dec 2024 |
| 14 | Brammer Engineering, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 15 | Brannon Oil & Gas Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2013 |
| 16 | Brazos Resources, Inc. | College Sta, TX 77840 | Oil & Gas Operator | Dec 1998 |
| 17 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 18 | Brooks Petroleum Inc | Kilgore, TX 75663 | Oil & Gas Operator | May 1999 |
| 19 | Brown Oil & Gas Co. | Mexia, TX 76667 | Oil & Gas Operator | Dec 2024 |
| 20 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 21 | Brown, C. L. Inc. | Corsicana, TX 75110 | Oil & Gas Operator | Dec 1999 |
| 22 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 23 | Brown, J. Burns Operating Co. | Havre, MT 59501 | Oil & Gas Operator | Nov 2024 |
| 24 | Bryant - Chase Energy Corp. | Tyler, TX 75701 | Oil & Gas Operator | Aug 2004 |