| 101 | L7 Energy LLC | Wichita Falls, TX 76308 | Oil Operator | Jun 2026 |
| 102 | Lainco Well Service, Inc. | Hamlin, TX 79520 | Oil & Gas Operator | Aug 2011 |
| 103 | Lainco, Inc. | Hamlin, TX 79520 | Oil & Gas Operator | Jun 2026 |
| 104 | Leclair Operating, L.L.C. | Abilene, TX 79602 | Oil & Gas Operator | Jun 2026 |
| 105 | Lockout Corporation | Austin, TX 78746 | Oil & Gas Operator | Jun 2026 |
| 106 | Louisiana Land & Exploration Co. | Houston, TX 77210 | Oil & Gas Operator | Sep 2013 |
| 107 | Lucky Oil & Gas | Malibu, CA 90265 | Oil & Gas Operator | Jun 2026 |
| 108 | M.K.B. Energy Corp | Brookesmith, TX 76827 | Gas Operator | Jun 2026 |
| 109 | Marjac Oil Company, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2026 |
| 110 | Martin, William C. | Houston, TX 77071 | Oil & Gas Operator | Jun 2026 |
| 111 | McCann Corporation | Midland, TX 79710 | Oil & Gas Operator | Jun 2026 |
| 112 | McClymond, LTD. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2009 |
| 113 | Mehaffey Investments, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Jun 2026 |
| 114 | Merenco | Midland, TX 79702 | Oil & Gas Operator | Dec 1996 |
| 115 | Miller Operating Company LLC | Lafayette, LA 70598 | Oil & Gas Operator | Jun 2026 |
| 116 | Mingus Oil & Gas | Mingus, TX 76463 | Oil & Gas Operator | Jun 2026 |
| 117 | Minuteman Energy, LLC | Georgetown, TX 78633 | Oil & Gas Operator | Feb 2015 |
| 118 | Mission Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 119 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 120 | Mixon, Robert N. | Lometa, TX 76853 | Oil & Gas Operator | Jun 2026 |
| 121 | Mna Enterprises LTD. Co. | Hobbs, NM 88242 | Oil & Gas Operator | Jan 2026 |
| 122 | Moore Oil And Gas | Burleson, TX 76028 | Oil & Gas Operator | Jun 2026 |
| 123 | Morrell, W. R. | Albany, TX 76430 | Oil & Gas Operator | Jun 2026 |
| 124 | Morris R. Greenhaw Oil&Gas, Inc | Desdemona, TX 76445 | Oil & Gas Operator | Jun 2026 |
| 125 | North Ridge Corporation | Duncanville, TX 75137 | Oil & Gas Operator | Jun 2026 |
| 126 | Oak Hills Drilling & Oper., LLC | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
| 127 | Oil, Gas, Etc. LLC | Katy, TX 77449 | Oil & Gas Operator | Jun 2026 |
| 128 | Okreek Oil Company | Weatherford, TX 76086 | Oil & Gas Operator | Jun 2026 |
| 129 | P. L. O. | Boerne, TX 78006 | Oil & Gas Operator | Jun 2016 |
| 130 | Paint Rock Operating, LLC | San Angelo, TX 76904 | Oil & Gas Operator | Jun 2026 |
| 131 | Pan Petroleum Corp. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 132 | Paragon Oil & Gas, LLC | Aledo, TX 76008 | Oil & Gas Operator | Jun 2026 |
| 133 | Park & Park Oil Co. | Allen, TX 75002 | Oil & Gas Operator | Jun 2026 |
| 134 | Patton, Lloyd | Fort Worth, TX 76113 | Oil & Gas Operator | Aug 2003 |
| 135 | Pergerson Energy, L.L.C. | Richmond, VA 23225 | Oil Operator | Jun 2026 |
| 136 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 137 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2026 |
| 138 | Petrolia Group, L.L.C. | Katy, TX 77449 | Oil & Gas Operator | Jun 2026 |
| 139 | Pitts, Charles Company | Abilene, TX 79604 | Oil & Gas Operator | Dec 1997 |
| 140 | Place Oil And Gas Co. | Eastland, TX 76448 | Oil & Gas Operator | Jun 2026 |
| 141 | Porter, E. J. | Mingus, TX 76463 | Gas Operator | Jan 2011 |
| 142 | Prairie Production | San Antonio, TX 78228 | Oil & Gas Operator | Jun 2026 |
| 143 | Proco Operating Co., Inc. | Graford, TX 76449 | Oil & Gas Operator | Jun 2026 |
| 144 | Putnam Oil Production | Abilene, TX 79603 | Oil & Gas Operator | Jun 2002 |
| 145 | Quail Well Service, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jun 2026 |
| 146 | Quinlan Engineering | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2026 |
| 147 | Ranger O & G Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Jun 2026 |
| 148 | Regal Petroleum Services | Euless, TX 76039 | Oil & Gas Operator | Aug 2002 |
| 149 | Rhodes Drilling Company | Abilene, TX 79608 | Oil & Gas Operator | Sep 2000 |
| 150 | Rhyne, J.V. | Cisco, TX 76437 | Oil & Gas Operator | Jun 2026 |
| 151 | Rife Oil Properties Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Jun 2026 |
| 152 | Roco Petroleum, Incorporated | Abilene, TX 79605 | Oil & Gas Operator | Jun 2026 |
| 153 | Rutledge, Kenny | Rising Star, TX 76471 | Oil & Gas Operator | Jun 2026 |
| 154 | S2 Oil, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Jun 2026 |
| 155 | Sandco Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2015 |
| 156 | Sandstone Services, LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 157 | Schkade Bros. Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Oct 2021 |
| 158 | Schkade, Louis | Albany, TX 76430 | Oil & Gas Operator | Mar 2008 |
| 159 | Scranton Exploration | Eastland, TX 76448 | Oil & Gas Operator | Jun 2026 |
| 160 | Sequoia Energy Resources | Dallas, TX 75207 | Oil & Gas Operator | Jun 2026 |
| 161 | Sequoia Fossil Fuels, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jun 2026 |
| 162 | Sequoia Natural Gas, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jun 2026 |
| 163 | Sherman, L. B. | Early, TX 76803 | Oil & Gas Operator | Jun 1998 |
| 164 | Skybridge Energy LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Jun 2026 |
| 165 | Smith Pipe Of Abilene | Abilene, TX 79608 | Oil & Gas Operator | Jun 2026 |
| 166 | So Operating Company | Cisco, TX 76437 | Oil & Gas Operator | Jun 2026 |
| 167 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | Jun 2026 |
| 168 | Southeastern Resources Corp. | Mansfield, TX 76063 | Oil & Gas Operator | Feb 2004 |
| 169 | Southern Tejas Asset Group LLC | McAllen, TX 78501 | Oil & Gas Operator | Jun 2026 |
| 170 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Jun 2026 |
| 171 | Square One Energy, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Oct 2015 |
| 172 | SRG Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 1994 |
| 173 | Stacha, Eddy A. | Rice, TX 75155 | Oil & Gas Operator | Jun 2026 |
| 174 | Star One Energy, Inc. | Fort Worth, TX 76163 | Oil & Gas Operator | May 2012 |
| 175 | Stealth, Inc. | Cross Plains, TX 76443 | Gas Operator | Mar 1997 |
| 176 | Stephenson Oil & Gas, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Sep 1999 |
| 177 | Stray Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Aug 2008 |
| 178 | Swartz Oil Company | San Angelo, TX 76906 | Oil & Gas Operator | Jun 2026 |
| 179 | Tandem Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 180 | Tarpon Oil & Gas Co. | Fort Worth, TX 76147 | Oil & Gas Operator | Jun 2026 |
| 181 | Tarpon Oil Company | Fort Worth, TX 76107 | Oil & Gas Operator | Jun 2016 |
| 182 | Tarrant Operators, Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Feb 1994 |
| 183 | Taylor, Raymond C. Jr. | Woodway, TX 76712 | Oil & Gas Operator | Dec 2012 |
| 184 | Tex-Ann Oil & Gas Services, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jun 2026 |
| 185 | Textron Southwest Inc. | Henderson, TX 75654 | Oil & Gas Operator | Jun 2026 |
| 186 | Toc Energy Resources, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Jun 2026 |
| 187 | Torch Operating LLC | Fort Worth, TX 76135 | Oil & Gas Operator | Oct 2020 |
| 188 | Townsend Company | Abilene, TX 79608 | Oil & Gas Operator | Dec 2021 |
| 189 | Transcontinental Shale L.L.C. | Austin, TX 78717 | Oil & Gas Operator | Feb 2016 |
| 190 | Trumter Petroleum Corporation | Fort Worth, TX 76185 | Oil & Gas Operator | Aug 1998 |
| 191 | Turner, Greg | Cross Plains, TX 76443 | Oil & Gas Operator | Jun 2026 |
| 192 | United Energy Partners, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2008 |
| 193 | Vanco Oil & Gas Corp. | Abilene, TX 79604 | Oil & Gas Operator | Jun 2026 |
| 194 | Vargas Energy, LTD. | Fort Worth, TX 76109 | Gas Operator | Jun 2026 |
| 195 | Watson Oil & Gas Co. | Gorman, TX 76454 | Oil & Gas Operator | Jan 2002 |
| 196 | Watson Oil & Gas, Inc. | Spicewood, TX 78669 | Oil & Gas Operator | Jun 2026 |
| 197 | Weakland Investments, Inc. | Denver, CO 80215 | Oil & Gas Operator | Jun 2026 |
| 198 | Wheat, Buck Resources, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Dec 2009 |
| 199 | Whiteside, Robert | Comanche, TX 76442 | Oil & Gas Operator | May 1998 |
| 200 | Whitt, W. J. | Albany, TX 76430 | Oil & Gas Operator | Nov 1996 |