| 1 | B D Production Co., Inc. | Corpus Christ, TX 78401 | Oil & Gas Operator | Jun 2026 |
| 2 | B.N.B. Production | Corpus Chrsti, TX 78403 | Oil & Gas Operator | May 1993 |
| 3 | B.N.B. Production Inc. | Austin, TX 78720 | Oil & Gas Operator | May 1996 |
| 4 | B.P. Productions Inc. | Victoria, TX 77904 | Oil & Gas Operator | Jun 2026 |
| 5 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 6 | Bammert, H. L. | Weesatche, TX 77993 | Oil & Gas Operator | Sep 2013 |
| 7 | Bandera Exploration Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2017 |
| 8 | Barbee, R.L. Operating, Inc. | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Jun 2026 |
| 9 | Basa Resources, Inc. | Dallas, TX 75254 | Oil & Gas Operator | Jun 2026 |
| 10 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Jun 2026 |
| 11 | Bastrop Energy Group | San Antonio, TX 78231 | Oil & Gas Operator | Jun 2026 |
| 12 | Battlecat Operating Company, LLC | Houston, TX 77082 | Oil & Gas Operator | Jul 2019 |
| 13 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Jun 2026 |
| 14 | Bayshore Exploration LLC | Bellville, TX 77418 | Oil & Gas Operator | Dec 2016 |
| 15 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2026 |
| 16 | Beach Oil & Gas, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Jun 2026 |
| 17 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 18 | Bell, O. M. | Merkel, TX 79536 | Oil & Gas Operator | Mar 2008 |
| 19 | Bellows Operating Co., L. C. | Goliad, TX 77963 | Oil & Gas Operator | Jun 2026 |
| 20 | Bellows, Dewey Oper. Co., LTD. | Refugio, TX 78377 | Oil & Gas Operator | Jul 2013 |
| 21 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 22 | Bexco Operating, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Jun 2026 |
| 23 | Bishop, J. E., Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2012 |
| 24 | Black Gold Resources LLC | Houston, TX 77056 | Oil Operator | Sep 2013 |
| 25 | Blackbrush O & G, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Apr 2012 |
| 26 | Blackbrush O & G, LLC | San Antonio, TX 78259 | Oil & Gas Operator | Jun 2026 |
| 27 | Blakenergy Operating, LLC | Spring, TX 77386 | Oil & Gas Operator | Jun 2026 |
| 28 | Bledsoe, R.K. Trust Oil Operator | Jourdanton, TX 78026 | Oil & Gas Operator | Jun 2026 |
| 29 | Block "T" Petroleum, Inc. | Tyler, TX 75707 | Oil & Gas Operator | Jun 2026 |
| 30 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Jun 2026 |
| 31 | Bluefin Resources LLC | Houston, TX 77079 | Oil & Gas Operator | Oct 2023 |
| 32 | Bluejay Energy Corporation | Waxahachie, TX 75168 | Oil Operator | Feb 2008 |
| 33 | Bluestone Natural Resources, LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2015 |
| 34 | Bluestone Production Company LP | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2007 |
| 35 | Boester, H. F. | Portland, TX 78374 | Oil & Gas Operator | Aug 2003 |
| 36 | Boss Expl & Prod Corporation | Dallas, TX 75201 | Oil & Gas Operator | Apr 2008 |
| 37 | Bounty Production Company | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2005 |
| 38 | Bowman, Fred Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2014 |
| 39 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Apr 2026 |
| 40 | Braman, D. H., Jr. | Victoria, TX 77901 | Oil & Gas Operator | Dec 2008 |
| 41 | Brayton Oil Corp. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Dec 1994 |
| 42 | Brayton Operating Corp. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Sep 2009 |
| 43 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 44 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 45 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 46 | Bridge Oil Production Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1993 |
| 47 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 48 | Britanco, L.L.C. | Falls City, TX 78113 | Oil & Gas Operator | Jun 2026 |
| 49 | Bruington Operating, L.L.C. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2015 |
| 50 | Bse Production Co. | Victoria, TX 77903 | Oil & Gas Operator | Jun 2026 |
| 51 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Jun 2026 |
| 52 | Buttes Resources Company | Houston, TX 77056 | Oil & Gas Operator | May 2007 |