| 1 | B & B Oil, Inc. | Kerrville, TX 78028 | Oil & Gas Operator | Oct 2025 |
| 2 | B & G Energy Corporation | Dallas, TX 75214 | Oil & Gas Operator | Oct 2025 |
| 3 | B & W Southern Petroleum | The Woodlands, TX 77381 | Oil & Gas Operator | Aug 2009 |
| 4 | B J Oil Company | Corsicana, TX 75109 | Oil & Gas Operator | Oct 2025 |
| 5 | B.R.H. Investments, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 1998 |
| 6 | B.W.O.C., Inc. | Plano, TX 75026 | Oil & Gas Operator | Oct 2025 |
| 7 | Baker Operating, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Oct 2025 |
| 8 | Banks, R. C. | Midland, TX 79702 | Oil & Gas Operator | Apr 2016 |
| 9 | Barbee, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 10 | Barnes Exploration Co. | Nashville, TN 37209 | Oil & Gas Operator | Feb 1995 |
| 11 | Baron Energy Inc. | San Marcos, TX 78666 | Oil & Gas Operator | Oct 2025 |
| 12 | Bartex Energy Corporation | Irving, TX 75060 | Oil & Gas Operator | Apr 1994 |
| 13 | Bayou Operating Company, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Oct 2025 |
| 14 | Beach Oil & Gas, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Oct 2025 |
| 15 | Beasley Well Service Inc. | Tuscola, TX 79562 | Oil Operator | Oct 2025 |
| 16 | Becker, Clyde M. | Ponca City, OK 74601 | Oil & Gas Operator | Oct 2009 |
| 17 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 18 | Benson & Schoen Oil Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2012 |
| 19 | Berry Energy Companies | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 20 | Beta-Tex, An Oklahoma Corp. | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2024 |
| 21 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 22 | Bevo Production Co. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2014 |
| 23 | Bex, Inc. | Nashville, TN 37209 | Oil & Gas Operator | Aug 2007 |
| 24 | Big D Energy Company | New Braunfels, TX 78132 | Oil & Gas Operator | Oct 2025 |
| 25 | Big Tio, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Oct 2025 |
| 26 | Bishop, E.J. | Winters, TX 79567 | Oil & Gas Operator | May 1997 |
| 27 | Bloomer & Associates, Inc. | Lago VIsta, TX 78645 | Oil & Gas Operator | Jul 2002 |
| 28 | Blue Ridge Oil & Gas Exp., Inc. | Belleville, MI 48111 | Gas Operator | Jul 1994 |
| 29 | Blue River Inc. | Abilene, TX 79608 | Oil Operator | Oct 2025 |
| 30 | BMB Oil Production | Coleman, TX 76834 | Oil & Gas Operator | Feb 2007 |
| 31 | BMW Services, LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Oct 2025 |
| 32 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 33 | Boaz Energy, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2014 |
| 34 | Bob Hughes Oil Company, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Oct 2025 |
| 35 | Bommer Engineering Co. | San Antonio, TX 78260 | Oil & Gas Operator | Oct 2025 |
| 36 | Borden, Roland Inc. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 37 | Bowerman Oil & Gas, Inc. | Arlington, TX 76003 | Oil & Gas Operator | Oct 2025 |
| 38 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 39 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 40 | Brecca Oil & Gas Operators, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Mar 2003 |
| 41 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 42 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 43 | Brightriver Energy Co | Katy, TX 77494 | Oil & Gas Operator | Oct 2025 |
| 44 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 45 | Brittany Drilling Co. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2000 |
| 46 | Broadway Petroleum Company, LLC | New York, NY 10152 | Oil Operator | Oct 2025 |
| 47 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 48 | Buckeye Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2018 |
| 49 | Burger, F.W. Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 50 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 51 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 52 | Burton, V.C. Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2016 |
| 53 | Bussey, Joe F. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 54 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 55 | Byrne Oil Company | Lubbock, TX 79424 | Oil & Gas Operator | Oct 2025 |