| 201 | Eagle Minerals & Oil Prop Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2002 |
| 202 | Eagle Minerals Inc | Tulsa, OK 74119 | Oil Operator | Jun 1998 |
| 203 | Eagle Resources Inc | Claremore, OK 74019-5398 | Oil & Gas Operator | May 2013 |
| 204 | Eagle Rock Mid-Continent Operating LLC | Tulsa, OK 74103-3703 | Oil & Gas Operator | Jan 2024 |
| 205 | Earnest Russel | Okmulgee, OK 74447-1216 | Oil & Gas Operator | Jan 2007 |
| 206 | Edge Oil Company Inc | Cleveland, OK 74020-0284 | Oil & Gas Operator | Dec 2023 |
| 207 | Edmonds Management Company | Richardson, TX 75081 | Oil & Gas Operator | Mar 2015 |
| 208 | Eec Inc | Norman, OK 73069-6344 | Oil & Gas Operator | Feb 2024 |
| 209 | Egret Operating Company | Muskogee, OK 74402-1871 | Oil & Gas Operator | Jan 2024 |
| 210 | Ekg Operating Inc | Seminole, OK 74818-1028 | Oil & Gas Operator | Nov 2015 |
| 211 | El Paso Natural Gas Company | El Paso, TX 79978 | Oil & Gas Operator | Apr 2013 |
| 212 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
| 213 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Feb 2024 |
| 214 | Elite Resources Inc | Cleveland, OK 74020-0614 | Oil & Gas Operator | Feb 2024 |
| 215 | Emmaus Energy LLC | | Oil & Gas Operator | Aug 2022 |
| 216 | Emo Inc | Eufaula, OK 74432-0841 | Oil & Gas Operator | Apr 2020 |
| 217 | Empire Land Corporation | New Orleans, LA 70130 | Oil & Gas Operator | Nov 2014 |
| 218 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Feb 2024 |
| 219 | Enerco Energy Corporation | Norman, OK 73069-6643 | Oil & Gas Operator | Apr 2020 |
| 220 | Enerfin Resources I Limited Partnership | Houston, TX 77077-2386 | Oil & Gas Operator | Apr 2023 |
| 221 | Energy Environment Inc | Holdenville, OK 74848-0765 | Oil & Gas Operator | Jul 2016 |
| 222 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 223 | Enhanced Hydrocarbons Inc | Claremore, OK 74017 | Oil & Gas Operator | May 2013 |
| 224 | Enterprise Energy Exploration Inc | Tulsa, OK 74133-6724 | Oil & Gas Operator | Feb 2024 |
| 225 | Enterprise Energy Prod Co Inc | Tulsa, OK 74133-6754 | Oil & Gas Operator | Mar 2015 |
| 226 | Enterprise Exploration Inc | Tulsa, OK 74133 | Oil & Gas Operator | Nov 2020 |
| 227 | Epperson Dwight | Okemah, OK 74859 | Oil Operator | Jan 2013 |
| 228 | Esis Inc | | Oil & Gas Operator | Feb 2017 |
| 229 | Eskridge Production Company | Tulsa, OK 74112-1428 | Oil Operator | Sep 2019 |
| 230 | Ewsc Inc | Kenosha, WI 53142-3775 | Oil & Gas Operator | Apr 2020 |
| 231 | Fairway Resources Operating III LLC | | Oil & Gas Operator | Jan 2024 |
| 232 | Fears George E | | Oil & Gas Operator | Mar 2019 |
| 233 | Federal Energy Development Co. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2011 |
| 234 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 235 | Firehouse Energy LLC | Morris, OK 74445-0306 | Oil & Gas Operator | Oct 2023 |
| 236 | Flare Oil Inc | Rockport, TX 78382 | Oil & Gas Operator | Apr 2024 |
| 237 | Flint J A & Associates | Holdenville, OK 74848 | Oil & Gas Operator | Sep 2009 |
| 238 | Forest 1 Development Company | Denver, CO 80202-4966 | Oil & Gas Operator | Mar 2008 |
| 239 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 240 | Four Square Oil Company Inc | Kellyville, OK 74039 | Oil Operator | Mar 2011 |
| 241 | Freedom Operating Company LLC | | Oil & Gas Operator | Jan 2024 |
| 242 | Fremen Walter E | Okmulgee, OK 74447-6666 | Oil & Gas Operator | Dec 2023 |
| 243 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 244 | French R B Exploration Co | Wichita Falls, TX 76308 | Oil Operator | Dec 1991 |
| 245 | G & B Tank Truck Service | Binger, OK 73009 | Oil & Gas Operator | Jan 2008 |
| 246 | G & R Oil Co. | St. John, KS 67576 | Oil Operator | Aug 2008 |
| 247 | G R B Resources Inc | Tulsa, OK 74136-5108 | Oil & Gas Operator | Aug 2013 |
| 248 | Garms Oil Inc | Kingfisher, OK 73750-4207 | Oil & Gas Operator | Jan 2024 |
| 249 | Garvey Oil And Gas LLC | Kellyville, OK 74039-4428 | Oil & Gas Operator | Mar 2015 |
| 250 | Gaskins Glendell L | Slick, OK 74071-0098 | Oil & Gas Operator | Feb 2024 |
| 251 | Gastar Exploration LLC | | Oil & Gas Operator | Jan 2024 |
| 252 | Gazalski Richard S Dba Ski Energy | Henryetta, OK 74437-1208 | Oil & Gas Operator | Dec 2020 |
| 253 | Gda Investments Inc | Oklahoma City, OK 73123-0403 | Oil & Gas Operator | Feb 2024 |
| 254 | General Petroleum Corp | Sand Springs, OK 74063-6646 | Oil & Gas Operator | Jul 2015 |
| 255 | Genesis Inc | Seminole, OK 74818-1647 | Oil & Gas Operator | Sep 2014 |
| 256 | Genesis Petroleum Corp. | Fort Worth, TX 76116-7151 | Oil & Gas Operator | Mar 2011 |
| 257 | Geo American Resources Inc | Tulsa, OK 74130-1575 | Oil & Gas Operator | Jan 2024 |
| 258 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 259 | Geoex Resources Inc | | Oil & Gas Operator | Jan 1997 |
| 260 | Geological & Engineering Consultants | | Oil & Gas Operator | Jan 2024 |
| 261 | German Petroleum Company | Tulsa, OK 74169-1953 | Oil & Gas Operator | Oct 2009 |
| 262 | Gibson Les | Welty, OK 74833 | Oil & Gas Operator | Feb 2024 |
| 263 | Glacier Petroleum Co Okla Inc | Edmond, OK 73013-1977 | Oil & Gas Operator | Feb 2024 |
| 264 | GLB Exploration, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2024 |
| 265 | Glenn Supply Company, Inc. | Tulsa, OK 74101 | Oil & Gas Operator | Jan 2024 |
| 266 | GMG Oil & Gas Corporation | Okmulgee, OK 74447-1235 | Oil & Gas Operator | Feb 2024 |
| 267 | Golden Arrow Gas Energy Corp | Norman, OK 73072 | Oil & Gas Operator | Mar 2016 |
| 268 | Golden Circle Production Co | Seminole, OK 74868 | Oil & Gas Operator | May 2002 |
| 269 | Golden Gas Production Company | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 270 | Gordon Brothers Oil Company | Stroud, OK 74079-0355 | Oil & Gas Operator | Jul 2017 |
| 271 | Gordon Robert Oil Company | Stroud, OK 74070-0366 | Oil & Gas Operator | Jul 2001 |
| 272 | Grand Resources Inc | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2024 |
| 273 | Grayhorse Operating Inc | Tulsa, OK 74103-4439 | Oil & Gas Operator | Jan 2024 |
| 274 | Great Western Land Co Inc | Tulsa, OK 74136-1517 | Oil & Gas Operator | Jun 2000 |
| 275 | Green Operating Company, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Feb 2023 |
| 276 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Feb 2024 |
| 277 | Greer Tom R | Ponca City, OK 74602-2444 | Oil & Gas Operator | May 2013 |
| 278 | Greg Hall Oil & Gas LLC | Edmond, OK 73003 | Oil & Gas Operator | Jan 2024 |
| 279 | Grubb Ronald J | Clinton, OK 73601-0906 | Oil & Gas Operator | Aug 2013 |
| 280 | H L L Inc | Scottsdale, AZ 85251 | Oil & Gas Operator | Jan 2007 |
| 281 | H.L.S. Energy Co., Inc. | Uvalde, TX 78801 | Oil & Gas Operator | Aug 2003 |
| 282 | H2ox Operating LLC | | Oil Operator | Feb 2024 |
| 283 | Haddox Johnny C | Okemah, OK 74859-0254 | Oil Operator | Apr 2020 |
| 284 | Halgas Inc | Tulsa, OK 74101-3012 | Oil & Gas Operator | May 2013 |
| 285 | Halliburton Oil Producing Co. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2016 |
| 286 | Ham Oil Company, LLC | | Oil Operator | Sep 2022 |
| 287 | Hamilton B J | Ada, OK 74820-9404 | Oil & Gas Operator | Sep 1999 |
| 288 | Hamilton K M Oil & Gas Co | Ada, OK 74820 | Oil Operator | Jan 2013 |
| 289 | Hampton Corporation (The) | Norman, OK 73069-5910 | Oil Operator | Jun 2016 |
| 290 | Hardin Productions | Okemah, OK 74859 | Oil & Gas Operator | Dec 2006 |
| 291 | Hardwick Oil Company | Sugar Land, TX 77478 | Oil & Gas Operator | Nov 2014 |
| 292 | Harrison Oil & Gas Inc | Houston, TX 77019 | Oil & Gas Operator | Jan 2024 |
| 293 | HCG Energy Corporation & Subs | | Oil & Gas Operator | Mar 2015 |
| 294 | Heartlands Development Co Inc | Bristow, OK 74010-3826 | Oil & Gas Operator | May 2017 |
| 295 | Heath Jack A | Tulsa, OK 74132-2403 | Oil & Gas Operator | Jan 2013 |
| 296 | Heath Oil Company | Washington, OK 73093-4702 | Oil & Gas Operator | Jan 2024 |
| 297 | Heaton Everill L | Exeter, CA 93221-2340 | Oil & Gas Operator | Sep 2014 |
| 298 | Henry Billy Or Connie | Okemah, OK 74859-6075 | Oil & Gas Operator | Jul 2021 |
| 299 | Henson Doyle | Okmulgee, OK 74447-4841 | Oil & Gas Operator | Jun 2020 |
| 300 | Henson Terry Dba Daycon Exploration | Tulsa, OK 74137-3546 | Oil & Gas Operator | Jan 2024 |