| 1 | B & B Operating Company | Odessa, TX 79760 | Oil & Gas Operator | Dec 2025 |
| 2 | B. & M. Family Oil Company | Midland, TX 79708 | Oil & Gas Operator | Jan 1999 |
| 3 | B.A.R. Treating Service, Inc. | Austin, TX 78746 | Oil & Gas Operator | Dec 2025 |
| 4 | Banam Corporation | Midland, TX 79702 | Oil & Gas Operator | Nov 2013 |
| 5 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Dec 2025 |
| 6 | Basin Oil & Gas Operating LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2025 |
| 7 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 8 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
| 9 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 10 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2025 |
| 11 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 12 | Bedrock Production, LLC | Fort Worth, TX 76106 | Oil & Gas Operator | Dec 2025 |
| 13 | Bee-Jay Energy | Whiteface, TX 79379 | Oil & Gas Operator | Nov 1993 |
| 14 | Bee-Jay Petro, Inc. | Levelland, TX 79336 | Oil & Gas Operator | Jun 2024 |
| 15 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 16 | Bepco, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2008 |
| 17 | Beryl Oil And Gas, LP | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 18 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 19 | Black Gold Properties | Lubbock, TX 79424 | Oil & Gas Operator | Feb 1999 |
| 20 | Blackflat Oil Company LLC | Lubbock, TX 79424 | Oil Operator | Dec 2025 |
| 21 | BLM Black Gold Properties, LTD. | Lubbock, TX 79423 | Oil & Gas Operator | Dec 2025 |
| 22 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2025 |
| 23 | Bopco, L.P. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 24 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 25 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Dec 2025 |
| 26 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 27 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2025 |
| 28 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 29 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 30 | Broadway Operating Company Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Aug 2002 |
| 31 | Brown, C. L. Inc. | Corsicana, TX 75110 | Oil & Gas Operator | Dec 1999 |
| 32 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 33 | Brown, H.L. Operating, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 34 | Bryant & White Oil Co. | Whiteface, TX 79379 | Oil & Gas Operator | Nov 2012 |
| 35 | Bryant Oil | Levelland, TX 79336 | Oil & Gas Operator | Dec 2025 |
| 36 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 37 | Bullin, R. E. Operating Inc. | Levelland, TX 79336 | Oil & Gas Operator | Dec 2025 |
| 38 | Bullin, R.E. | Levelland, TX 79336 | Oil & Gas Operator | May 1994 |
| 39 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2025 |
| 40 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 41 | Burleson Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 42 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
| 43 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 44 | Butler, Kevin O. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 45 | Butler, Kevin O. & Assoc., Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |