| 1 | B & G Oil | Graham, TX 76450 | Oil & Gas Operator | Mar 2015 |
| 2 | B & M Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Dec 2011 |
| 3 | B & N | Newcastle, TX 76372 | Oil & Gas Operator | Oct 1995 |
| 4 | B.E.G. Production | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 2026 |
| 5 | B.O.L.D. Oil And Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 6 | Baldwin, C. R. Jr. | South Bend, TX 76481 | Oil & Gas Operator | Feb 2000 |
| 7 | Bankhead Operating Corp. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 8 | Barbee, R.L. Operating, Inc. | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Feb 2026 |
| 9 | Barnett Energy, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 10 | Barnett, G. | Graham, TX 76450 | Oil Operator | Feb 2026 |
| 11 | Baron Energy Inc. | San Marcos, TX 78666 | Oil & Gas Operator | Feb 2026 |
| 12 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Feb 2026 |
| 13 | BB & D Exploration, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jan 2009 |
| 14 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 15 | Beach Oil & Gas, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Feb 2026 |
| 16 | Bearco Operating Co., Inc. | Olney, TX 76374 | Oil & Gas Operator | May 2019 |
| 17 | Beeson Energy, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Feb 2026 |
| 18 | Beisch & Hanna | Windthorst, TX 76389 | Oil & Gas Operator | Feb 2026 |
| 19 | Beisch, Rusty | Windthorst, TX 76389 | Oil & Gas Operator | Feb 2026 |
| 20 | Bellah & Mathiews | Woodson, TX 76491 | Oil & Gas Operator | Feb 2026 |
| 21 | Ben-Co Operating Co., LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 22 | Benco Operating, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 23 | Bendorf Services & Supply Co | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2000 |
| 24 | Bendorf, Otto Trust | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2000 |
| 25 | Bennett Resources, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 26 | Benson & Schoen Oil Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2012 |
| 27 | Bentley Oil & Gas Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 28 | Beren Corporation | Wichita, KS 67206 | Oil & Gas Operator | Feb 2026 |
| 29 | Berexco Inc. | Wichita, KS 67208 | Oil & Gas Operator | Oct 2009 |
| 30 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Feb 2026 |
| 31 | Best Petroleum Explorations,Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 32 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 33 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Feb 2026 |
| 34 | Big Mountain Operating LLC | Decatur, TX 76234 | Oil & Gas Operator | Feb 2026 |
| 35 | Big Run Production Company | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 36 | Big W Oil Company | Graham, TX 76450 | Oil & Gas Operator | May 2017 |
| 37 | Birge Oil Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jun 1995 |
| 38 | Bitz, M. J. Company | Fort Worth, TX 76116 | Oil & Gas Operator | Aug 2003 |
| 39 | Bivins, Orville J. Jr. | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2004 |
| 40 | BJ Operating, Inc. | Menard, TX 76859 | Oil & Gas Operator | Feb 2026 |
| 41 | Black Jack Services, L.L.C. | Bastrop, TX 78602 | Oil & Gas Operator | Feb 2026 |
| 42 | Black Pearl Operating Comp., LLC | Houston, TX 77057 | Oil Operator | Feb 2026 |
| 43 | Black Star Oil Company | Plano, TX 75094 | Oil & Gas Operator | Feb 2026 |
| 44 | Blakemore, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Dec 2012 |
| 45 | Blakenergy Operating, LLC | Spring, TX 77386 | Oil & Gas Operator | Feb 2026 |
| 46 | Blevins Production LLC | Jacksboro, TX 76458 | Oil Operator | Feb 2026 |
| 47 | Bluebonnet Land & Cattle Co. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 48 | BM Oil Company, LLC | Olney, TX 76374 | Oil Operator | Nov 2021 |
| 49 | Bockhoff, Deborah M. | Olney, TX 76374 | Oil Operator | Feb 2026 |
| 50 | Bohner Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1998 |
| 51 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Dec 2020 |
| 52 | Bonfire Operating LLC | Cresson, TX 76035 | Oil & Gas Operator | Feb 2026 |
| 53 | Bootstrap Exploration, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Jun 2021 |
| 54 | Borderline Operating Corp. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 55 | Borders, Delbert L. Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2019 |
| 56 | Boss Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 57 | Bowie Operating Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Mar 2011 |
| 58 | Boyd, Clyde Oil & Gas | Graham, TX 76450 | Oil & Gas Operator | Jan 2004 |
| 59 | Boydston & Moore | Graham, TX 76450 | Oil & Gas Operator | Apr 2003 |
| 60 | Boydston Operating | Graham, TX 76450 | Oil & Gas Operator | Nov 2006 |
| 61 | Boyle, W. T. | Graham, TX 76450 | Oil & Gas Operator | Dec 2006 |
| 62 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Feb 2026 |
| 63 | Bradley, John W. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2026 |
| 64 | Brahman Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 65 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 66 | Branch Productions | Graham, TX 76450 | Oil & Gas Operator | May 2019 |
| 67 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2025 |
| 68 | Briarcreek Operating LLC | Graham, TX 76450 | Oil Operator | Feb 2026 |
| 69 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 70 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 71 | Brightman Family Trust | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 72 | Brightman, Tom | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 73 | Briscoe, Glenn D. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2002 |
| 74 | Britton Operating, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Feb 2026 |
| 75 | Britton, Jerald C. | Graham, TX 76450 | Oil & Gas Operator | Jul 2021 |
| 76 | Brock & Strange | Holliday, TX 76366 | Oil & Gas Operator | May 2008 |
| 77 | Brock, Joe Wayne | N Richlnd HLS, TX 76180 | Oil & Gas Operator | Feb 2010 |
| 78 | Brogdon, Gary | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 79 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 80 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2026 |
| 81 | Brown, Darryl | Graham, TX 76450 | Oil Operator | Dec 1995 |
| 82 | Brown, Darryl Operating L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 83 | Brown, Edmond | Loving, TX 76460 | Oil & Gas Operator | Dec 2017 |
| 84 | Brown, Frank | Graham, TX 76450 | Oil & Gas Operator | Apr 2003 |
| 85 | Brownco Operating Co. | Wichita Falls, TX 76310 | Oil & Gas Operator | Feb 2026 |
| 86 | Bruce & Creighton | Graham, TX 76450 | Oil & Gas Operator | Apr 2000 |
| 87 | Bruce Operating Account | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 88 | Bsand Operating Co., LLC | Graham, TX 76450 | Oil Operator | Feb 2026 |
| 89 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Feb 2026 |
| 90 | Bulwark Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 91 | Burgess, Sim E. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 92 | Burgess, W. E. | Fort Worth, TX 76147 | Oil & Gas Operator | Feb 2026 |
| 93 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 94 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 95 | Burns Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2002 |
| 96 | Burns Operating LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2009 |
| 97 | Bush Operating | Archer City, TX 76351 | Oil & Gas Operator | Feb 2026 |
| 98 | Butler & Harbison | Olney, TX 76374 | Oil & Gas Operator | Oct 2005 |
| 99 | Byrne, Robert E. | Lubbock, TX 79416 | Oil & Gas Operator | Jan 2005 |