| 1 | Bagley, Roy | Magnolia, TX 77354 | Oil & Gas Operator | Oct 2025 |
| 2 | Baker Petroleum | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Oct 1999 |
| 3 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 4 | Bargo Energy Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 5 | Basa Resources, Inc. | Dallas, TX 75254 | Oil & Gas Operator | Oct 2025 |
| 6 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 7 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
| 8 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 9 | Bear Of Texas, Inc. | Grand Rapids, MI 49546 | Oil & Gas Operator | Mar 2008 |
| 10 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Jun 2025 |
| 11 | Bejo Corporation | Richmond, TX 77407 | Oil & Gas Operator | Oct 2025 |
| 12 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 13 | Bepco Operating Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2006 |
| 14 | Bexco Operating, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Oct 2025 |
| 15 | Big "6" Drilling Company | Houston, TX 77063 | Oil & Gas Operator | Mar 2019 |
| 16 | Big Creek Operating Company LLC | Houston, TX 77065 | Oil & Gas Operator | Oct 2025 |
| 17 | Bison Energy Partners, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2001 |
| 18 | Bison Energy Partners, LTD. | Houston, TX 77060 | Oil & Gas Operator | Apr 2002 |
| 19 | Black Gold Petroleum, LLC | Alice, TX 78333 | Oil Operator | Oct 2025 |
| 20 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 21 | BLS Resources, Inc. | Rosharon, TX 77583 | Oil & Gas Operator | Feb 2001 |
| 22 | Blue Ridge Operating Company,Inc | Ashland, OR 97520 | Oil & Gas Operator | Oct 1998 |
| 23 | Bluestem Natural Gas LLC | Bixby, OK 74008 | Oil & Gas Operator | Oct 2025 |
| 24 | BNP Petroleum Corporation | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Oct 2025 |
| 25 | Boling Production Company, Inc. | Boling, TX 77420 | Oil & Gas Operator | Oct 2025 |
| 26 | Brammer Engineering, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Oct 2025 |
| 27 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 28 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 29 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 30 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 31 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 32 | Brown, C. L. Inc. | Corsicana, TX 75110 | Oil & Gas Operator | Dec 1999 |
| 33 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 34 | Browning Oil Company, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Oct 2025 |
| 35 | Bryant & Carr, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Dec 1994 |
| 36 | Bse Production Co. | Victoria, TX 77903 | Oil & Gas Operator | Oct 2025 |
| 37 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Oct 2025 |
| 38 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 39 | Buttes Resources Company | Houston, TX 77056 | Oil & Gas Operator | May 2007 |
| 40 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Oct 2025 |
| 41 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | Oct 2025 |