| 1 | B.O.L.D. Oil And Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 2 | B.W.O.C., Inc. | Plano, TX 75026 | Oil & Gas Operator | Feb 2026 |
| 3 | Bah-Pepper Operating, LLC | Nocona, TX 76255 | Oil & Gas Operator | Feb 2026 |
| 4 | Baja Production | Bridgeport, TX 76426 | Oil & Gas Operator | Feb 2026 |
| 5 | Balcones Production Company | Houston, TX 77002 | Oil & Gas Operator | Feb 1996 |
| 6 | Bankhead E & P LLC | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Feb 2026 |
| 7 | Bankhead Operating Corp. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 8 | Bara Corporation | Flower Mound, TX 75027 | Oil & Gas Operator | Apr 2004 |
| 9 | Barnes Oil & Gas LLC | Nashville, TN 37221 | Oil & Gas Operator | Jun 2017 |
| 10 | Barnes, Jerry B. | Gainesville, TX 76241 | Oil & Gas Operator | Oct 2006 |
| 11 | Barnes, Larry Petroleum, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Jul 1996 |
| 12 | Barnett Oil Investments, Inc. | Hobbs, NM 88240 | Oil & Gas Operator | Mar 1999 |
| 13 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Feb 2026 |
| 14 | Bataa Oil Inc | Arvada, CO 80005 | Oil & Gas Operator | Dec 2025 |
| 15 | Bedrock Production, LLC | Fort Worth, TX 76106 | Oil & Gas Operator | Feb 2026 |
| 16 | Bennett Production Corporation | Bowie, TX 76230 | Oil & Gas Operator | Apr 2024 |
| 17 | Best Petroleum Explorations,Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 18 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 19 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 20 | Big Mountain Operating LLC | Decatur, TX 76234 | Oil & Gas Operator | Feb 2026 |
| 21 | Bivins, Orville J. Jr. | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2004 |
| 22 | BKV Barnett, LLC | Fort Worth, TX 76106 | Oil & Gas Operator | Feb 2026 |
| 23 | BKV North Texas, LLC | Fort Worth, TX 76106 | Oil & Gas Operator | Feb 2026 |
| 24 | Black Bandana LLC | Santo, TX 76472 | Oil & Gas Operator | Feb 2026 |
| 25 | Black Sheep Operating, LLC | Amarillo, TX 79109 | Oil & Gas Operator | Feb 2026 |
| 26 | Black, Karl T. | Paradise, TX 76073 | Oil & Gas Operator | Aug 2003 |
| 27 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Feb 2026 |
| 28 | Bluestone Natural Res. II, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2019 |
| 29 | Borderline Operating Corp. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 30 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Nov 2025 |
| 31 | Bra-De Oil & Gas Inc. | Montague, TX 76251 | Oil & Gas Operator | Jun 2016 |
| 32 | Bra-De Oil Co. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2005 |
| 33 | Braden Exploration, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2011 |
| 34 | Bradley, John W. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2026 |
| 35 | Brammer Petroleum, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Feb 2026 |
| 36 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 37 | Brannon Oil & Gas Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2013 |
| 38 | Bravo Natural Resources, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2009 |
| 39 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2025 |
| 40 | BRG Lone Star LTD. | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2026 |
| 41 | Briar Energy Corporation | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 42 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 43 | Brigadier Operating, LLC | Plano, TX 75024 | Oil & Gas Operator | Aug 2017 |
| 44 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 45 | Briley Operating, LLC | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 46 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 47 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 48 | Buck Production Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 49 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Feb 2026 |
| 50 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 51 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 52 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
| 53 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Feb 2026 |
| 54 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 55 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 56 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | Feb 2026 |