| 201 | Field Production Company | Cleburne, TX 76033 | Oil & Gas Operator | Mar 2023 |
| 202 | Finnell Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2009 |
| 203 | Finnell Oil Services, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2025 |
| 204 | Fitts, B.K. Oil & Gas | Bowie, TX 76230 | Oil & Gas Operator | May 2025 |
| 205 | FMD Oil Co. | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2020 |
| 206 | Foree, R. L. Trust "A" | Dallas, TX 75225 | Oil & Gas Operator | Dec 1999 |
| 207 | Fortson Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2020 |
| 208 | Four Sevens Oil Co., LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2001 |
| 209 | Four Sevens Operating Co., LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2025 |
| 210 | Fullspike Energy LLC | Boyd, TX 76023 | Oil & Gas Operator | May 2025 |
| 211 | G & F Oil, Inc. | Aledo, TX 76008 | Oil & Gas Operator | May 2025 |
| 212 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 213 | G&L Oil And Gas, LLC | Windthorst, TX 76389 | Oil & Gas Operator | May 2025 |
| 214 | Gage, H. L. | Windthorst, TX 76389 | Oil & Gas Operator | May 2005 |
| 215 | Gasoco, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2005 |
| 216 | GBG Operating Corp. | Wichita Falls, TX 76302 | Oil & Gas Operator | Sep 1998 |
| 217 | Gen-Sher | Bluegrove, TX 76352 | Oil & Gas Operator | Feb 2005 |
| 218 | Gen-Sher L.L.P. | Bluegrove, TX 76352 | Oil & Gas Operator | May 2025 |
| 219 | Genepa Petroleum Company | Spring, TX 77379 | Oil & Gas Operator | May 2025 |
| 220 | General Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2025 |
| 221 | Gilmore, Leo Oil, Inc. | Holliday, TX 76366 | Oil & Gas Operator | May 2025 |
| 222 | Ginnings Company | Wichita Falls, TX 76301 | Oil & Gas Operator | May 2025 |
| 223 | Glen D. Gonzenbach, LLC | Henrietta, TX 76365 | Oil & Gas Operator | Dec 2016 |
| 224 | Glenn, Lyndell | Wichita Falls, TX 76310 | Oil & Gas Operator | May 2025 |
| 225 | Go Oil Corp. | Jacksboro, TX 76458 | Oil & Gas Operator | May 2025 |
| 226 | Goat Mayo Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2003 |
| 227 | Goforth Production Company | Rockdale, TX 76567 | Oil Operator | Feb 2014 |
| 228 | Golden Resources Corporation | Dallas, TX 75238 | Oil & Gas Operator | Dec 1998 |
| 229 | Gonzenbach Oil & Gas, LLC | Henrietta, TX 76365 | Oil & Gas Operator | May 2020 |
| 230 | Gonzenbach, Glen D | Henrietta, TX 76365 | Oil & Gas Operator | Aug 2007 |
| 231 | Goodner, Tom Oil Interest | Windthorst, TX 76389 | Oil & Gas Operator | Jun 2010 |
| 232 | Grace, Jack Production Co, LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | May 2025 |
| 233 | Grace, Jack, Prod. Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Mar 1997 |
| 234 | Grand Energy, Inc. | Dallas, TX 75248 | Oil & Gas Operator | Oct 2002 |
| 235 | Gray, Mark W. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 236 | Grayson Petroleum Company | Whitesboro, TX 76273 | Oil & Gas Operator | May 2025 |
| 237 | Great American Resources Inc. | Bowie, TX 76230 | Oil & Gas Operator | May 2025 |
| 238 | Great West Operating Co., Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2003 |
| 239 | Greco Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 240 | Griffith, Johnnie R. | O'Fallon, IL 62269 | Oil & Gas Operator | Dec 1996 |
| 241 | Gulf Central Petroleum Corp. | Dallas, TX 75252 | Oil & Gas Operator | May 2025 |
| 242 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2025 |
| 243 | Gunsight Supply Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 244 | Gupton Gas Co. | Fort Worth, TX 76107 | Oil & Gas Operator | Aug 1994 |
| 245 | H & S Production, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Mar 2004 |
| 246 | H P S Investments | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 247 | Harding Exploration, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2016 |
| 248 | Harper, Wayne | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 249 | Harris, Jake, Trustee | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 2001 |
| 250 | Haynes & Shirley Production Co. | Iowa Park, TX 76367 | Oil & Gas Operator | May 2025 |
| 251 | Helmcamp, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2002 |
| 252 | Henderson, Sam F. | Odessa, TX 79760 | Oil & Gas Operator | Nov 2002 |
| 253 | Henderson, Sam W. | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2019 |
| 254 | Hep Oil Company LTD | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2012 |
| 255 | Hep Oil GP, LLC | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 256 | Hess, Jerry Operating Co. | Muenster, TX 76252 | Oil & Gas Operator | May 2025 |
| 257 | Hexagon Oil And Gas Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | May 2025 |
| 258 | Heydrick Petroleum Company | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2025 |
| 259 | Hines, Ralph, Jr. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2002 |
| 260 | HMT Genesis Petroleum Corp. | Fort Worth, TX 76116 | Oil & Gas Operator | Nov 2008 |
| 261 | Hoco Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2025 |
| 262 | Hodge T F | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2007 |
| 263 | Holcomb Company, The | Freer, TX 78357 | Oil & Gas Operator | Aug 1996 |
| 264 | Holland Oil Co. | Petrolia, TX 76377 | Oil Operator | Aug 2010 |
| 265 | Holland, W. M. | Petrolia, TX 76377 | Oil & Gas Operator | Jul 2009 |
| 266 | Holli-Tex Supply Co. | Holliday, TX 76366 | Oil & Gas Operator | May 2018 |
| 267 | Holliday CSG Corp. | Holliday, TX 76366 | Oil & Gas Operator | May 2025 |
| 268 | Hood, J. F. | Holliday, TX 76366 | Oil & Gas Operator | Apr 2010 |
| 269 | Hood, J. Frank, Jr. | Arlington, TX 76006 | Oil & Gas Operator | May 2025 |
| 270 | Hood, Joe B. | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2008 |
| 271 | HRH Energy Group Incorporated | Carrollton, TX 75006 | Oil & Gas Operator | Nov 2009 |
| 272 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
| 273 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | May 2025 |
| 274 | Hunt, Hassie Exploration Company | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 275 | Hunter Energy, Inc. | Hurst, TX 76053 | Oil & Gas Operator | May 2025 |
| 276 | Husfeld, Rose Marie | Bowie, TX 76230 | Oil & Gas Operator | Aug 2017 |
| 277 | Husfeld, Walter H. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2007 |
| 278 | HW Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2025 |
| 279 | Interstate Explorations LLC | Houston, TX 77010 | Oil & Gas Operator | May 2025 |
| 280 | It'LL Do Oil Company | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 281 | J C Petroleum Inc | Chickasha, OK 73023-1433 | Oil & Gas Operator | Dec 2013 |
| 282 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | May 2025 |
| 283 | J.A.G. Oil & Gas | La Vernia, TX 78121 | Oil & Gas Operator | May 2025 |
| 284 | J.C.L. Production, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | May 2025 |
| 285 | Jackson, Jeral W. Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2004 |
| 286 | James Operating | Iowa Park, TX 76367 | Oil & Gas Operator | May 2025 |
| 287 | James, Deryl | Nocona, TX 76255 | Oil & Gas Operator | May 2025 |
| 288 | Jay Management Company LLC | Houston, TX 77057 | Oil & Gas Operator | May 2025 |
| 289 | Jay Resources Corporation | Houston, TX 77010 | Oil & Gas Operator | Feb 1998 |
| 290 | JDL Operating, LLC | Holliday, TX 76366 | Oil & Gas Operator | May 2025 |
| 291 | JF Trust | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 2024 |
| 292 | JMK Petroleum Corp. | Dallas, TX 75251 | Oil & Gas Operator | Jun 2006 |
| 293 | Johnson, William D. | Fort Worth, TX 76116 | Oil & Gas Operator | Mar 2008 |
| 294 | Joiner, Pat | Wichita Falls, TX 76302 | Oil & Gas Operator | May 2025 |
| 295 | Joint Resources Company | Fort Worth, TX 76107 | Oil & Gas Operator | May 2025 |
| 296 | Jojon Petroleum Company | Dallas, TX 75219 | Oil & Gas Operator | Feb 2025 |
| 297 | JTL Oil Company LLC | Wichita Falls, TX 76305 | Oil & Gas Operator | May 2025 |
| 298 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | May 2025 |
| 299 | Kalda Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 1994 |
| 300 | Kampresco Energy, LLC | Graham, TX 76450 | Oil & Gas Operator | May 2025 |