201 | Concord Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2021 |
202 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
203 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | May 2024 |
204 | Consolidated Oil & Gas Inc | Wichita, KS 67202 | Oil & Gas Operator | Dec 2012 |
205 | Continental Exploration LLC | Lufkin, TX 75915 | Oil & Gas Operator | May 2024 |
206 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | May 2024 |
207 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
208 | Cordillera Energy Partners II LLC | Greenwood VIllage, CO 80111-2856 | Oil & Gas Operator | Jan 2024 |
209 | Cordillera Energy Partners LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Mar 2020 |
210 | Corley Production Company | Wilson, OK 73463-7218 | Oil Operator | Feb 2024 |
211 | Corley Production Inc | Comanche, OK 73529-4668 | Oil Operator | Mar 2015 |
212 | Cortez Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2016 |
213 | Cotton Petroleum Corporation | Tulsa, OK 74102 | Oil & Gas Operator | Jan 2005 |
214 | Couch Donald W | Marlow, OK 73055-5252 | Oil & Gas Operator | Feb 2024 |
215 | Countyline Production Co LLC | Duncan, OK 73534-0276 | Oil Operator | Jan 2024 |
216 | Cowboy Operating LLC | | Oil Operator | Feb 2024 |
217 | Cox Edwin L & R Berry | Dallas, TX 75202 | Oil & Gas Operator | Apr 2015 |
218 | Cox Exploration, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 1999 |
219 | Cox Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2014 |
220 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2024 |
221 | CRD Investments LLC | | Oil Operator | Feb 2024 |
222 | Crest Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | May 2024 |
223 | Cross Timbers Operating Co | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 2024 |
224 | Cross Timbers Production Co | Oklahoma City, OK 73102-5605 | Oil & Gas Operator | Mar 2005 |
225 | Crown Petroleum Company | Duncan, OK 73534-0938 | Oil & Gas Operator | Jan 2011 |
226 | Crude Marketing & Trans Inc | Tulsa, OK 74159 | Oil & Gas Operator | Sep 2017 |
227 | Cummings Oil Company | Oklahoma City, OK 73112-6113 | Oil & Gas Operator | Feb 2024 |
228 | Cxy Energy, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Nov 2000 |
229 | D & B Operating LLC | | Oil Operator | Jan 2023 |
230 | D C Energy, Inc. | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2020 |
231 | D-Mil Production Inc | Argyle, TX 76226 | Oil & Gas Operator | May 2024 |
232 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | May 2024 |
233 | Dalcor Energy LLC | Duncan, OK 73534-1227 | Oil & Gas Operator | Feb 2024 |
234 | Dallas Production, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2021 |
235 | Daube Company The | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2024 |
236 | Davco Productions Inc | Springer, OK 73458-8191 | Oil & Gas Operator | Jun 2021 |
237 | Davon Drilling Company | Oklahoma City, OK 73113-0665 | Oil & Gas Operator | Mar 2015 |
238 | Dawson Resources Inc | Franktown, CO 80116 | Oil & Gas Operator | Mar 2015 |
239 | Daylight Petroleum LLC | Houston, TX 77052 | Oil & Gas Operator | May 2024 |
240 | Dby Investments LLC | | Oil & Gas Operator | Nov 2016 |
241 | DCP Operating Co LP | Houston, TX 77042 | Oil & Gas Operator | Jan 2024 |
242 | Dean'S Well Servicing Inc | Ratliff City, OK 73481-0209 | Oil & Gas Operator | Feb 2024 |
243 | Dehart Company (The) | Ardmore, OK 73402-0907 | Oil & Gas Operator | Feb 2024 |
244 | Delta Petroleum Inc | Houston, TX 77269-1007 | Oil & Gas Operator | May 2009 |
245 | Denveramerican Petro LLC | | Oil & Gas Operator | May 2006 |
246 | Dette Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Oct 2015 |
247 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
248 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2024 |
249 | Devon Louisiana Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2019 |
250 | Diamond Cross Oil Co LLC | Ponca City, OK 74601-1104 | Oil & Gas Operator | Jan 2024 |
251 | Dinsmore C E | Enid, OK 73702 | Oil & Gas Operator | May 2009 |
252 | DLB Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | May 2024 |
253 | DM Petroleum LLC | Duncan, OK 73533 | Oil Operator | Feb 2024 |
254 | DMS Oil Company | Houston, TX 77042 | Oil & Gas Operator | Feb 2024 |
255 | Dominion Exp Midcontinent Inc | Oklahoma City, OK 73134-2616 | Oil & Gas Operator | Feb 2024 |
256 | Dominion Ok TX E & P Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2018 |
257 | Dorchester Resources LP | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2021 |
258 | Dorey Oil Corporation | Healdton, OK 73438-0856 | Oil Operator | Apr 2014 |
259 | Dotson Jack M Operating Co | Norman, OK 73072-6649 | Oil Operator | Oct 1993 |
260 | Downhole Oil & Gas Tech LLC | Countyline, OK 73152-0027 | Oil Operator | Oct 2009 |
261 | Draco Production Company | Tulsa, OK 74133 | Oil & Gas Operator | Jul 2012 |
262 | Duncan Petroleum Corp | Velma, OK 73091 | Oil & Gas Operator | Oct 1991 |
263 | Duncan W T | | Oil Operator | Nov 1998 |
264 | Dunn Energy LLC | Skiatook, OK 74070-4046 | Oil Operator | Sep 2022 |
265 | Dyno Energy LLC | Oklahoma City, OK 73154-0964 | Oil & Gas Operator | Jan 2024 |
266 | Ea Petroleum Inc | Norman, OK 73072-4147 | Oil & Gas Operator | May 2006 |
267 | Eagle Gas Marketing Co | Oklahoma City, OK 73114-2202 | Oil & Gas Operator | Nov 2022 |
268 | Eagle Minerals & Oil Prop Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2002 |
269 | Eagle Rock Mid-Continent Operating LLC | Tulsa, OK 74103-3703 | Oil & Gas Operator | Jan 2024 |
270 | Earlsboro Energies Corporation | Oklahoma City, OK 73116-3605 | Oil & Gas Operator | Jan 2024 |
271 | Easterwood D E | Duncan, OK 73533-1013 | Oil & Gas Operator | Jun 2001 |
272 | Eby Frank V Corporation | Yukon, OK 73085-0860 | Oil Operator | Sep 2016 |
273 | Echo Production Inc | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
274 | Edwards & Leach Oil Company | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2005 |
275 | Edwards Jr L A | Duncan, OK 73534-1348 | Oil & Gas Operator | Sep 1992 |
276 | Edwards Oil & Gas Company | Oklahoma City, OK 73156-0386 | Oil & Gas Operator | Mar 2015 |
277 | Eec Inc | Norman, OK 73069-6344 | Oil & Gas Operator | Feb 2024 |
278 | Egolf Operating Company | Oklahoma City, OK 73114-7899 | Oil & Gas Operator | Apr 1998 |
279 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
280 | Emjo Operations Inc | Marlow, OK 73055-8803 | Oil & Gas Operator | Feb 2024 |
281 | Emo Inc | Eufaula, OK 74432-0841 | Oil & Gas Operator | Apr 2020 |
282 | Encana Energy Resources Inc | Denver, CO 80202-2828 | Oil & Gas Operator | Jan 2021 |
283 | Energy Operating Corporation | Plano, TX 75093-4409 | Oil & Gas Operator | Sep 2013 |
284 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
285 | Enerwest Trading Co LLC | Duncan, OK 73534 | Oil & Gas Operator | Jan 2024 |
286 | Ennex, Inc. | | Oil & Gas Operator | Oct 1993 |
287 | Enogex Products Corp | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Jun 2022 |
288 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
289 | Esis Inc | | Oil & Gas Operator | Feb 2017 |
290 | Essman Energy LLC | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2019 |
291 | Evergreen Operating Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
292 | Excel Operating Inc | Dallas, TX 75234-7300 | Oil & Gas Operator | Jun 2022 |
293 | Exploration Associates II LLC | Oklahoma City, OK 73102-8815 | Oil & Gas Operator | Jan 2013 |
294 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | May 2024 |
295 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2024 |
296 | Fahrenheit Petroleum Co Inc | | Oil & Gas Operator | Mar 2015 |
297 | Fairway Resources Operating III LLC | | Oil & Gas Operator | Jan 2024 |
298 | Farmers Energy Corporation | Tulsa, OK 74103-3525 | Oil & Gas Operator | Nov 2021 |
299 | FBF Energy LLC | | Oil & Gas Operator | Feb 2024 |
300 | Femco Services Inc | Lindsay, OK 73052-0632 | Oil & Gas Operator | Nov 2006 |