| 1 | B P Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Nov 2007 |
| 2 | Bankhead Operating Corp. | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2025 |
| 3 | Banquet Production, LLC | Woodson, TX 76491 | Oil Operator | Dec 2025 |
| 4 | Bara Corporation | Flower Mound, TX 75027 | Oil & Gas Operator | Apr 2004 |
| 5 | Bass Operating Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 1999 |
| 6 | Baytide Petr. Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 1997 |
| 7 | Beaird, R.A. Oil Operating Co. | Merkel, TX 79536 | Oil & Gas Operator | Dec 2025 |
| 8 | Bearco Operating Co., Inc. | Olney, TX 76374 | Oil & Gas Operator | May 2019 |
| 9 | Beasley Well Service Inc. | Tuscola, TX 79562 | Oil Operator | Dec 2025 |
| 10 | Beehive Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 11 | Beeson Energy, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Dec 2025 |
| 12 | Bellah & Mathiews | Woodson, TX 76491 | Oil & Gas Operator | Dec 2025 |
| 13 | Bellah Oil, Inc. | Seymour, TX 76380 | Oil & Gas Operator | Dec 2012 |
| 14 | Belter Inc. | Seymour, TX 76380 | Oil Operator | Dec 2025 |
| 15 | Benco Operating, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 16 | Bendorf Services & Supply Co | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2000 |
| 17 | Bengal Petroleum USA, LLC | Austin, TX 78767 | Oil Operator | Dec 2025 |
| 18 | Bennett Resources, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 19 | Benson Mineral Group, Inc. | Denver, CO 80202 | Oil & Gas Operator | Apr 2022 |
| 20 | Bentley Oil & Gas Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2025 |
| 21 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 22 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 23 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Dec 2025 |
| 24 | Bitter Creek Petroleum Co. | Knox City, TX 79529 | Oil & Gas Operator | Dec 2025 |
| 25 | Black Star Oil Company | Plano, TX 75094 | Oil & Gas Operator | Dec 2025 |
| 26 | Blackjack Extraction LLC | Austin, TX 78731 | Oil Operator | Dec 2025 |
| 27 | Bluff Creek Petroleum, LLC | Abilene, TX 79603 | Oil & Gas Operator | Dec 2025 |
| 28 | Boland Well Service | Abilene, TX 79601 | Oil & Gas Operator | Jan 2008 |
| 29 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Dec 2020 |
| 30 | Bootstrap Exploration, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Jun 2021 |
| 31 | Borderline Operating Corp. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 32 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Dec 2025 |
| 33 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 34 | Brandt, Bodie | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2025 |
| 35 | Brazos River Exploration LLC | Houston, TX 77008 | Oil & Gas Operator | Oct 2024 |
| 36 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2025 |
| 37 | Brico Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2025 |
| 38 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2025 |
| 39 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 40 | Britton Operating, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Dec 2025 |
| 41 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 42 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2025 |
| 43 | Brown J K Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2003 |
| 44 | Bruce & Creighton | Graham, TX 76450 | Oil & Gas Operator | Apr 2000 |
| 45 | Bullitt Oil | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2016 |
| 46 | Bulwark Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 47 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2025 |
| 48 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 49 | Burns Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2002 |