| 1 | Agroil, Inc. | Brownwood, TX 76801 | Oil & Gas Operator | Apr 2024 |
| 2 | Alamo Operating Company, L. C. | San Antonio, TX 78278 | Oil & Gas Operator | Aug 2023 |
| 3 | Arrowhead Operating Inc. | Argyle, TX 76226 | Oil & Gas Operator | Apr 2024 |
| 4 | Asa Oil & Gas, Inc. | Brady, TX 76825 | Oil & Gas Operator | Apr 2024 |
| 5 | Aztec Oil & Gas Company "A" | Wichita Falls, TX 76309 | Oil & Gas Operator | Sep 2010 |
| 6 | B & B Oil, Inc. | Kerrville, TX 78028 | Oil & Gas Operator | Apr 2024 |
| 7 | Bagley, Roy | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2024 |
| 8 | Bee-Jay Energy | Whiteface, TX 79379 | Oil & Gas Operator | Nov 1993 |
| 9 | Bee-Jay Petro, Inc. | Levelland, TX 79336 | Oil & Gas Operator | Apr 2024 |
| 10 | Big Run Production Company | Tyler, TX 75701 | Oil & Gas Operator | Apr 2024 |
| 11 | Blair Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
| 12 | BLS Production Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 13 | Bowerman Energy Company | Arlington, TX 76004 | Oil & Gas Operator | Dec 2006 |
| 14 | Bowerman Exploration, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Jan 2009 |
| 15 | Bowerman Oil & Gas, Inc. | Arlington, TX 76003 | Oil & Gas Operator | Apr 2024 |
| 16 | Canan Mowrey Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 17 | Caraway Operating Co. | San Angelo, TX 76902 | Oil & Gas Operator | Apr 2024 |
| 18 | CDJ Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
| 19 | Chambers, R. H. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2006 |
| 20 | Cholla Petroleum, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2024 |
| 21 | Coastline Operating, L.L.C. | Houston, TX 77027 | Oil & Gas Operator | Dec 2006 |
| 22 | Concho Oilfield Serv & Oper Co. | Eden, TX 76837 | Oil & Gas Operator | Apr 2024 |
| 23 | Cooper Oil & Gas, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2010 |
| 24 | Cooper Oil & Gas, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 25 | Couch, Gilbert | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
| 26 | Daniel Explorations Inc | Georgetown, TX 78627 | Oil & Gas Operator | Apr 2009 |
| 27 | Daubert Operating, L.L.C. | San Antonio, TX 78209 | Oil Operator | Apr 2024 |
| 28 | Discovery Operating Inc | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
| 29 | Duncan Land & Exploration, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 30 | E & R Oil | San Angelo, TX 76906 | Oil & Gas Operator | Apr 2024 |
| 31 | Elco Oil & Gas | San Angelo, TX 76902 | Oil & Gas Operator | Dec 2014 |
| 32 | Enertex, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 1995 |
| 33 | Enrich Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 2024 |
| 34 | Erin Oil Exploration, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Dec 1996 |
| 35 | Esperanza Energy Corp. | Prosper, TX 75078 | Oil & Gas Operator | Mar 2015 |
| 36 | Estoril Producing Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
| 37 | Felderhoff Production Company | Muenster, TX 76252 | Oil & Gas Operator | Apr 2024 |
| 38 | Fiscus Drilling Co., Inc. | Clyde, TX 79510 | Oil & Gas Operator | Apr 2015 |
| 39 | Flint Rock Resources MGMNT, Inc. | Austin, TX 78734 | Oil & Gas Operator | Apr 2024 |
| 40 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 41 | Geosurveys, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2024 |
| 42 | H-M Resource Management, Inc. | Houston, TX 77055 | Oil & Gas Operator | Feb 2023 |
| 43 | Hane Operating, Inc. | Santa Anna, TX 76878 | Oil & Gas Operator | Sep 2005 |
| 44 | Hanson Corporation | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2008 |
| 45 | Haynes Production Company, Inc. | Brownwood, TX 76801 | Oil & Gas Operator | Dec 2006 |
| 46 | HB Oil Company | Abilene, TX 79602 | Oil & Gas Operator | Jun 2023 |
| 47 | Henderson, Peter Oil Co. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2020 |
| 48 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
| 49 | Hufo Production Corporation | Midland, TX 79702 | Oil & Gas Operator | Jul 2002 |
| 50 | Hughes, Bob Oil Company | San Angelo, TX 76901 | Oil & Gas Operator | Jul 2011 |
| 51 | Huntland Properties, LTD. | Santa Anna, TX 76878 | Oil & Gas Operator | Apr 2024 |
| 52 | Inland Ocean, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Apr 2024 |
| 53 | J & J Services Company | San Angelo, TX 76904 | Oil & Gas Operator | Apr 2024 |
| 54 | Jasper Energy, Incorporated | Decatur, TX 76234 | Oil Operator | Apr 2024 |
| 55 | Kollao Properties LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 56 | L.C.S. Production Company | Abilene, TX 79608 | Oil & Gas Operator | Apr 2024 |
| 57 | Landrum Petroleum Co., Inc. | Burkburnett, TX 76354 | Oil Operator | Mar 2008 |
| 58 | Leclair Operating Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2024 |
| 59 | Lillis, Michael D. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 60 | Lynx Oil Co., Inc. | Denton, TX 76207 | Oil & Gas Operator | Sep 2003 |
| 61 | Lytle Creek Operating, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2024 |
| 62 | Mercury Operating, LLC | Dallas, TX 75208 | Oil & Gas Operator | Apr 2024 |
| 63 | Mueller Exploration, Inc. | Portland, TX 78374 | Oil & Gas Operator | Apr 2024 |
| 64 | MWJ Producing Company | Midland, TX 79701 | Oil & Gas Operator | Jul 1998 |
| 65 | Nautilus Exploration, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Nov 2021 |
| 66 | Northridge Oil Company | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2024 |
| 67 | Oil & Gas Properties | Midland, TX 79704 | Oil & Gas Operator | Apr 2024 |
| 68 | Oilwell Operators, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Apr 2024 |
| 69 | Otex LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Apr 2024 |
| 70 | Pentergy Operating, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2024 |
| 71 | Principal Oil Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2002 |
| 72 | Quail Creek Oil Co. | Granbury, TX 76048 | Oil & Gas Operator | Aug 2005 |
| 73 | R & D Operating | Early, TX 76803 | Oil & Gas Operator | Mar 2008 |
| 74 | R & D Operating, Inc. | Early, TX 76802 | Oil & Gas Operator | Apr 2024 |
| 75 | Rebco Oil, Inc. | Desdemona, TX 76445 | Oil Operator | Apr 2024 |
| 76 | Reichmann Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Apr 2024 |
| 77 | Rice, James D. | Santa Anna, TX 76878 | Oil & Gas Operator | Sep 2007 |
| 78 | Richman Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Jul 2006 |
| 79 | Rockwood Resources Inc | Coleman, TX 76834 | Oil & Gas Operator | Apr 2024 |
| 80 | Schalk Oil Company, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 81 | Sedona Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
| 82 | Sequoia Fossil Fuels, Inc. | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
| 83 | Strawn Partners Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 84 | Subsurface Exploration | Coleman, TX 76834 | Oil & Gas Operator | Apr 2006 |
| 85 | Subsurface Production, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Apr 2024 |
| 86 | Sullivan, Hollis R. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2009 |
| 87 | Sunray Oil Co., Inc. | Pampa, TX 79065 | Oil & Gas Operator | Jan 2013 |
| 88 | Tara Operating Co. | Lamesa, TX 79331 | Oil & Gas Operator | Aug 2003 |
| 89 | Warren, Earl T. | San Angelo, TX 76906 | Oil & Gas Operator | Apr 2024 |
| 90 | Watson, B. G. Oil Field Salv Inc | Coleman, TX 76834 | Oil & Gas Operator | Mar 2000 |
| 91 | Westland Oil Development Corp. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 92 | Whitt, W. J. | Albany, TX 76430 | Oil & Gas Operator | Nov 1996 |
| 93 | Young, L. M. | Brownwood, TX 76804 | Oil & Gas Operator | Aug 2003 |