| 201 | Flat Creek Operating Co. | Rockwall, TX 75087 | Oil & Gas Operator | Jun 2004 |
| 202 | Flusche Brothers | Muenster, TX 76252 | Oil & Gas Operator | Apr 2026 |
| 203 | Force 4 Energy Resources, Inc. | Austin, TX 78733 | Oil & Gas Operator | Aug 2005 |
| 204 | Ford, R. J. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2026 |
| 205 | Fortson Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2020 |
| 206 | Fullspike Energy LLC | Boyd, TX 76023 | Oil & Gas Operator | Apr 2026 |
| 207 | Fuse Energy, LLC | Alvord, TX 76225 | Oil & Gas Operator | Jan 2019 |
| 208 | G & F Oil, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Apr 2026 |
| 209 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 210 | Gardner Energy Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 1999 |
| 211 | GBG Operating Corp. | Wichita Falls, TX 76302 | Oil & Gas Operator | Sep 1998 |
| 212 | General Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2026 |
| 213 | Georgetown Operating Company | Oklahoma City, OK 73113 | Oil & Gas Operator | Jun 2019 |
| 214 | Geostrat Inc. | Addison, TX 75001 | Oil & Gas Operator | Nov 2011 |
| 215 | Geurin Oil & Gas | Saint Jo, TX 76265 | Oil & Gas Operator | Oct 2022 |
| 216 | Gilmore, Leo Oil, Inc. | Holliday, TX 76366 | Oil & Gas Operator | Apr 2026 |
| 217 | Ginnings Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2025 |
| 218 | Glahn Resources, Inc. | Arlington, TX 76003 | Oil & Gas Operator | Apr 2026 |
| 219 | Glen D. Gonzenbach, LLC | Henrietta, TX 76365 | Oil & Gas Operator | Dec 2016 |
| 220 | Global Natural Resources | Houston, TX 77002 | Oil & Gas Operator | Dec 1999 |
| 221 | Golden Resources Corporation | Dallas, TX 75238 | Oil & Gas Operator | Dec 1998 |
| 222 | Gonzenbach Oil & Gas, LLC | Henrietta, TX 76365 | Oil & Gas Operator | May 2020 |
| 223 | Gonzenbach, Glen D | Henrietta, TX 76365 | Oil & Gas Operator | Aug 2007 |
| 224 | Grace, Jack Production Co, LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Apr 2026 |
| 225 | Grace, Jack, Prod. Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Mar 1997 |
| 226 | Grand Operating, Inc. | Addison, TX 75001 | Oil & Gas Operator | Feb 2026 |
| 227 | Grant, Elmer D., Estate Of | Wichita Falls, TX 76302 | Oil Operator | Apr 2026 |
| 228 | Grayson Petroleum Company | Whitesboro, TX 76273 | Oil & Gas Operator | Apr 2026 |
| 229 | Great American Resources Inc. | Bowie, TX 76230 | Oil & Gas Operator | Apr 2026 |
| 230 | Great West Operating Co., Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2003 |
| 231 | Greco Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 232 | Greco Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 233 | Grewing, Wayne R. Oil & Gas, LLC | Muenster, TX 76252 | Oil Operator | Apr 2018 |
| 234 | GRS Oil & Gas Company | Irving, TX 75017 | Oil & Gas Operator | Aug 1994 |
| 235 | Guffey, Roy, Oil Company | Dallas, TX 75206 | Oil & Gas Operator | Aug 2011 |
| 236 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2026 |
| 237 | H & S Production, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Mar 2004 |
| 238 | Hacker Brothers Oil Company, Inc | Muenster, TX 76252 | Oil & Gas Operator | May 2004 |
| 239 | Hacker Brothers Well Service,Inc | Muenster, TX 76252 | Oil & Gas Operator | Apr 2026 |
| 240 | Hadley Oil | Nocona, TX 76255 | Oil Operator | Jan 2014 |
| 241 | Hadley Oil Company, LLC | Nocona, TX 76255 | Oil Operator | Apr 2026 |
| 242 | Hale Oil & Gas Properties | Graham, TX 76450 | Oil & Gas Operator | Jul 1997 |
| 243 | Hall Energy Company LLC | Oklahoma City, OK 73120-5020 | Oil & Gas Operator | Jul 2022 |
| 244 | Hane Operating, Inc. | Santa Anna, TX 76878 | Oil & Gas Operator | Sep 2005 |
| 245 | Hanks, Christopher Glenn | Gainesville, TX 76240 | Oil & Gas Operator | Apr 2026 |
| 246 | Harper, Wayne | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 247 | Harrell Operating Inc | Graham, TX 76450 | Oil & Gas Operator | Sep 2005 |
| 248 | Harrell, Charles | Graham, TX 76450 | Oil & Gas Operator | Dec 2000 |
| 249 | Harvest Petroleum Inc. | Frisco, TX 75033 | Oil & Gas Operator | Apr 2026 |
| 250 | Hawkbend LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2026 |
| 251 | Henley Operating | Nocona, TX 76255 | Oil & Gas Operator | Apr 2026 |
| 252 | Hep Oil Company, LTD. | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2012 |
| 253 | Hep Oil GP, LLC | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 254 | Hess, Jerry Operating Co. | Muenster, TX 76252 | Oil & Gas Operator | Apr 2026 |
| 255 | Heydrick Petroleum Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 256 | Hill, Hub, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jan 1994 |
| 257 | Holli-Tex Supply Co. | Holliday, TX 76366 | Oil & Gas Operator | May 2018 |
| 258 | Hood, J. Frank, Jr. | Arlington, TX 76006 | Oil & Gas Operator | Apr 2026 |
| 259 | Houtchens, D. D. | Gainesville, TX 76240 | Oil & Gas Operator | Apr 2026 |
| 260 | Houtchens, DD & Anna D LVNG TRST | Garland, TX 75043 | Oil Operator | Jun 2025 |
| 261 | Howard Operating Co. | Saint Jo, TX 76265 | Oil & Gas Operator | Apr 2026 |
| 262 | HRB Operating Company, Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Apr 2026 |
| 263 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Apr 2026 |
| 264 | Husfeld, Rose Marie | Bowie, TX 76230 | Oil & Gas Operator | Aug 2017 |
| 265 | Husfeld, Walter H. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2007 |
| 266 | HW Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 267 | Imperial Oil Company | Houston, TX 77073 | Oil & Gas Operator | Oct 2004 |
| 268 | Indian Oil Company | Gainesville, TX 76241 | Oil & Gas Operator | Apr 2026 |
| 269 | Ingram, J. Oil & Gas, Inc. | Plano, TX 75074 | Oil & Gas Operator | Apr 2026 |
| 270 | Innoverse Production, LLC | Gainesville, TX 76240 | Oil & Gas Operator | Apr 2026 |
| 271 | Ipr Energy Partners, L.P. | Bowie, TX 76230 | Oil & Gas Operator | Aug 2014 |
| 272 | Ipr Energy Partners, LLC | Bowie, TX 76230 | Oil & Gas Operator | Apr 2026 |
| 273 | Irwin-Crum | Nocona, TX 76255 | Oil Operator | Apr 2026 |
| 274 | J & A Operating | Bowie, TX 76230 | Oil & Gas Operator | Apr 2026 |
| 275 | J & J Operating | Graford, TX 76449 | Oil & Gas Operator | Apr 2026 |
| 276 | J & M SWD, LLC | Stamford, TX 79553 | Oil Operator | Apr 2026 |
| 277 | J C Petroleum Inc | Chickasha, OK 73023-1433 | Oil & Gas Operator | Dec 2013 |
| 278 | J V A Operating Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2021 |
| 279 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | Apr 2026 |
| 280 | J.W. Service Company | Smithville, TX 78957 | Oil & Gas Operator | Apr 2026 |
| 281 | Jackson, Jeral W. Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2004 |
| 282 | Jay Management Company, LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2026 |
| 283 | Jet-Star Co. | Gainesville, TX 76240 | Oil & Gas Operator | Apr 2026 |
| 284 | JMH Production, LLC | Archer City, TX 76351 | Oil & Gas Operator | Apr 2026 |
| 285 | Johnson, William D. | Fort Worth, TX 76116 | Oil & Gas Operator | Mar 2008 |
| 286 | Joint Resources Company | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2026 |
| 287 | Jones Energy, LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jan 2026 |
| 288 | Jones Energy, LTD. | Austin, TX 78746 | Oil & Gas Operator | Sep 2013 |
| 289 | Jones, L. E. Operating, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2026 |
| 290 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
| 291 | JTL Oil Company LLC | Wichita Falls, TX 76305 | Oil & Gas Operator | Apr 2026 |
| 292 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2026 |
| 293 | Kalda Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 1994 |
| 294 | Karper Company, The | Graham, TX 76450 | Oil & Gas Operator | Feb 2003 |
| 295 | Kasle Energy Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Mar 2017 |
| 296 | Kendrick Oil And Gas Company | Abilene, TX 79608 | Oil & Gas Operator | Apr 2026 |
| 297 | King Operating Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | Apr 2026 |
| 298 | Kingery Drilling Co., Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Feb 2026 |
| 299 | Kirkpatrick Oil & Gas L.L.C. | Midland, TX 79701 | Oil & Gas Operator | Dec 2010 |
| 300 | Knight, Reuben B. | Windthorst, TX 76389 | Oil & Gas Operator | Apr 2026 |