| 1 | 3 S Production, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Apr 2026 |
| 2 | A.E.N. Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jan 1996 |
| 3 | Abx Oil & Gas, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Apr 2026 |
| 4 | Alaron Energy, Inc. | Irving, TX 75038 | Oil & Gas Operator | Apr 2026 |
| 5 | Albert, David Oil & Gas | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 6 | Albert-Bishop Exploration Co Inc | Dallas, TX 75240 | Oil & Gas Operator | Feb 2007 |
| 7 | Amen Oil LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 8 | Anderson Production | Cisco, TX 76437 | Oil & Gas Operator | Apr 2026 |
| 9 | Anderson, E D | Cisco, TX 76437 | Oil & Gas Operator | Nov 2009 |
| 10 | Archer Petroleum | Frisco, TX 75034 | Oil & Gas Operator | Aug 2021 |
| 11 | Arnot Oil Company, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2026 |
| 12 | Arnot, W. G., Jr. | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2017 |
| 13 | At Oil & Gas, LLC | Eastland, TX 76448 | Oil & Gas Operator | Apr 2026 |
| 14 | Athena Resources, Inc. | Dallas, TX 75248 | Oil & Gas Operator | Apr 2026 |
| 15 | Austin Energy Operations, Inc. | Corpus Christ, TX 78410 | Oil & Gas Operator | Apr 2026 |
| 16 | Avery, Irving W. | Buena VIsta, CO 81211 | Oil & Gas Operator | Mar 2008 |
| 17 | B & D Enterprises | Breckenridge, TX 76424 | Oil & Gas Operator | Mar 2014 |
| 18 | Baja Production | Bridgeport, TX 76426 | Oil & Gas Operator | Apr 2026 |
| 19 | Ball Producing Co. | Eastland, TX 76448 | Oil & Gas Operator | Apr 2026 |
| 20 | Ballou Enterprises, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jan 1997 |
| 21 | Bam Operating, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Nov 2014 |
| 22 | Banlee Energy | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2010 |
| 23 | Barton, Howard | Archer City, TX 76351 | Gas Operator | Apr 2026 |
| 24 | Bayou Operating Company, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2026 |
| 25 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Apr 2026 |
| 26 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Apr 2026 |
| 27 | Braka Operating, L.L.C. | Ranger, TX 76470 | Oil & Gas Operator | Apr 2026 |
| 28 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 29 | Buck Wheat Resources, L.P. | Eastland, TX 76448 | Oil & Gas Operator | Apr 2026 |
| 30 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 31 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 32 | Chan West Oil Corporation | Irving, TX 75016 | Oil & Gas Operator | Apr 2026 |
| 33 | Chancellor, Earl Sales Co., Inc. | Sweetwater, TX 79556 | Oil & Gas Operator | Apr 2026 |
| 34 | Chenoweth, Grover | Marble Falls, TX 78654 | Oil & Gas Operator | Dec 2024 |
| 35 | Circle D Oil & Gas, Inc. | Brownwood, TX 76801 | Oil & Gas Operator | Apr 2026 |
| 36 | Coastal Oil & Gas Corp | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
| 37 | Coleman & Johnson Oil Company | Brownwood, TX 76801 | Oil & Gas Operator | Apr 2026 |
| 38 | Comyn Natural Gas, Inc. | Fort Worth, TX 76163 | Oil & Gas Operator | Apr 2026 |
| 39 | Concho Oilfield Service, Inc. | Albany, TX 76430 | Oil & Gas Operator | Apr 2013 |
| 40 | Conquistador Petroleum,Inc. | Coleman, TX 76834 | Oil & Gas Operator | Apr 2026 |
| 41 | Crimson Energy Company, LC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2004 |
| 42 | Crossbow Resources, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 43 | Crosstex Services, L.L.C. | Tuscola, TX 79562 | Oil Operator | Apr 2026 |
| 44 | CRT'S, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Aug 2008 |
| 45 | Cumming Company, Inc. The | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2026 |
| 46 | CWC Oil & Gas, LLC | Abilene, TX 79608 | Oil & Gas Operator | Apr 2026 |
| 47 | D.J. & T. Energy | Abilene, TX 79601 | Oil & Gas Operator | Apr 2026 |
| 48 | Decleva, Paul | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2020 |
| 49 | Delray Oil, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2026 |
| 50 | Diamond Mineral Investments Inc. | Bangs, TX 76823 | Gas Operator | Feb 2008 |
| 51 | DMV Pipeline LLC | Lipan, TX 76462 | Oil & Gas Operator | Apr 2026 |
| 52 | Double Play Oil & Gas, Inc | Portland, TX 78374 | Oil & Gas Operator | Apr 2026 |
| 53 | Eastland Exploration, Inc. | Austin, TX 78763 | Oil & Gas Operator | Apr 1997 |
| 54 | Eastland Operating, L.L.C. | Ranger, TX 76470 | Oil & Gas Operator | Apr 2026 |
| 55 | Eddie'S Royalties, Inc. | Rising Star, TX 76471 | Oil & Gas Operator | Apr 2026 |
| 56 | El Reno Energy, LLC | Granbury, TX 76048 | Oil & Gas Operator | Apr 2026 |
| 57 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 58 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | Jan 2026 |
| 59 | Enre Corp. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2005 |
| 60 | Esperanza Energy Corp. | Prosper, TX 75078 | Oil & Gas Operator | Mar 2015 |
| 61 | Everest Network LLC | Eastland, TX 76448 | Oil & Gas Operator | Apr 2026 |
| 62 | Exp, Inc. | Dallas, TX 75244 | Oil & Gas Operator | May 2003 |
| 63 | Expanding Energy Corporation | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2008 |
| 64 | Formation Recovery LLC | Weatherford, TX 76087 | Oil & Gas Operator | Apr 2026 |
| 65 | Furry Oil & Gas, Inc. | Bangs, TX 76823 | Oil & Gas Operator | Apr 2026 |
| 66 | Furry Producing Company | Brownwood, TX 76801 | Oil & Gas Operator | Apr 2026 |
| 67 | Gala Resources, LTD. | Graham, TX 76450 | Oil & Gas Operator | Jan 2026 |
| 68 | Gaylyn, Inc. | Comanche, TX 76442 | Oil & Gas Operator | Apr 2026 |
| 69 | Great Western Drilling Company | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 70 | H&G Petroleum Corporation | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 71 | Hailey Energy Corporation | Wesson, MS 39191 | Gas Operator | May 2013 |
| 72 | Harding Company | Dallas, TX 75244 | Oil & Gas Operator | Jan 2015 |
| 73 | Harvest Operating Company, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Dec 1997 |
| 74 | Havens Oil Company | Early, TX 76803 | Oil & Gas Operator | Dec 2025 |
| 75 | Herzfeld Fabricators Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2017 |
| 76 | Hess, Jerry Operating Co. | Muenster, TX 76252 | Oil & Gas Operator | Apr 2026 |
| 77 | Hexagon Oil And Gas Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | Apr 2026 |
| 78 | Holcomb Enterprises | Clyde, TX 79510 | Oil & Gas Operator | Aug 2003 |
| 79 | Hopkins, T. M. Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 80 | Horn Energy | Eastland, TX 76448 | Oil & Gas Operator | Apr 2026 |
| 81 | Howard, Anthony E. F. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2001 |
| 82 | Huber Energy L.P. | Houston, TX 77079 | Oil & Gas Operator | Feb 2007 |
| 83 | Huber Energy Panhandle LP | Houston, TX 77079 | Oil & Gas Operator | Oct 2005 |
| 84 | Huber J M Corp | Edison, NJ 08837 | Oil & Gas Operator | Apr 2026 |
| 85 | Hudson Brothers Mining Co., Inc. | Cisco, TX 76437 | Oil & Gas Operator | Jun 1994 |
| 86 | Hughes, Bob Oil Company | San Angelo, TX 76901 | Oil & Gas Operator | Jul 2011 |
| 87 | Infinity Oil & Gas Of TX, Inc. | Overland Park, KS 66210 | Oil & Gas Operator | Apr 2026 |
| 88 | Interstate Explorations LLC | Houston, TX 77010 | Oil & Gas Operator | Apr 2026 |
| 89 | Ipact | Austin, TX 78734 | Oil & Gas Operator | Apr 2026 |
| 90 | J & J Whiteside Inc. | Comanche, TX 76442 | Oil & Gas Operator | Apr 2026 |
| 91 | J & M Co Inc | Abilene, TX 79601 | Oil & Gas Operator | Jan 2016 |
| 92 | J & W Oil Co.-W. F. | Eastland, TX 76448 | Oil & Gas Operator | Apr 2026 |
| 93 | J B J Oil Properties, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 94 | J Oil & Gas Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Oct 2016 |
| 95 | Jaraco Energy | Cross Plains, TX 76443 | Oil & Gas Operator | Jun 2005 |
| 96 | JM Investments, L.L.C. | Cross Plains, TX 76443 | Oil & Gas Operator | Apr 2026 |
| 97 | Joint Resources Company | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2026 |
| 98 | Klutts, Carlos J. | Austin, TX 78711 | Oil & Gas Operator | Apr 2002 |
| 99 | Kokomo Energy, Inc. | Gorman, TX 76454 | Oil & Gas Operator | Apr 2026 |
| 100 | Kroh Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2026 |