201 | Crusader Energy Group, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Mar 2015 |
202 | Crusader Energy II, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
203 | Crusader Energy III LLC | Oklahoma City, OK 73142-1856 | Oil & Gas Operator | Feb 2011 |
204 | Culebra Oil & Gas, LLC | Kerrville, TX 78028 | Oil & Gas Operator | Mar 2025 |
205 | Cummings Oil Company | Oklahoma City, OK 73112-6113 | Oil & Gas Operator | Jan 2025 |
206 | Curzon Operating Company LTD | Oklahoma City, OK 73118-4821 | Oil & Gas Operator | Dec 2024 |
207 | D & D Pipe & Equipment Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2005 |
208 | D & G Oil & Gas Company Inc | Enid, OK 73702-2027 | Oil & Gas Operator | Nov 2021 |
209 | D & H Oil Inc | Garber, OK 73738-0657 | Oil & Gas Operator | Apr 2021 |
210 | D & J Oil Co | Kermit, TX 79745 | Oil & Gas Operator | Mar 2025 |
211 | D & J Oil Company Of Okla Inc | Enid, OK 73706-0129 | Oil & Gas Operator | May 1999 |
212 | D & T Swabbing & Well Serv Inc | Hennessey, OK 73742-0124 | Oil & Gas Operator | Dec 2024 |
213 | D C Energy, Inc. | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2020 |
214 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Mar 2025 |
215 | Dakota Exploration LLC | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2024 |
216 | Damson Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Mar 2005 |
217 | Dance Oil Co | Denver, CO 80202 | Oil & Gas Operator | May 1993 |
218 | Dar-Lon Operating Company | Lamont, OK 74643 | Oil & Gas Operator | Oct 2000 |
219 | Darden Energy Corp | Hennessey, OK 73742 | Oil & Gas Operator | Jul 1999 |
220 | Darling Dan Oil | | Oil & Gas Operator | Sep 2018 |
221 | Darling Oil Corporation | Lamont, OK 74643 | Oil & Gas Operator | Dec 2024 |
222 | Darnell Bobby J | Oklahoma City, OK 73112-8884 | Oil & Gas Operator | Jan 2025 |
223 | Dart Oil Properties | Enid, OK 73703 | Oil & Gas Operator | Oct 1992 |
224 | David E Morgan Inc | Danville, CA 94506-2035 | Oil & Gas Operator | Dec 2024 |
225 | Davidson Energy Inc | Perry, OK 73077 | Oil & Gas Operator | Dec 2024 |
226 | Davis Bros. Oil Producers, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2020 |
227 | Dawson-Markwell Exploration Co. | Oklahoma City, OK 73101 | Oil & Gas Operator | Dec 2024 |
228 | Daylight Petroleum LLC | Houston, TX 77052 | Oil & Gas Operator | Mar 2025 |
229 | Deck Exploration Inc | Perry, OK 73077-0303 | Oil & Gas Operator | May 2013 |
230 | Deck Oil Company | Tulsa, OK 74101 | Oil & Gas Operator | Jun 2020 |
231 | Dedica Energy Corporation | Mattoon, IL 61938 | Oil & Gas Operator | Mar 2008 |
232 | Dee-Jay Exploration Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Mar 2025 |
233 | Deisenroth M Craig | Tulsa, OK 74104-6511 | Oil & Gas Operator | Nov 2024 |
234 | Deka Exploration Inc | Oklahoma City, OK 73113-0057 | Oil & Gas Operator | Nov 2019 |
235 | Dem Operations Inc | Lamont, OK 74643-5010 | Oil & Gas Operator | Jan 2025 |
236 | Denell Oil Corporation | Yukon, OK 73085 | Oil & Gas Operator | Jul 1994 |
237 | Denveramerican Petro LLC | | Oil & Gas Operator | May 2006 |
238 | Depco Inc. | Denver, CO 80202 | Oil & Gas Operator | Apr 2014 |
239 | Derrick Resources Inc. | Henryetta, OK 74437-4249 | Oil & Gas Operator | Dec 2024 |
240 | Destin Corporation | Enid, OK 73702-2403 | Oil & Gas Operator | Mar 2005 |
241 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
242 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2025 |
243 | Devon Gas Services, L.P. | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2023 |
244 | Dewey Energy GP LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2022 |
245 | Dexxon, Inc. | Kiefer, OK 74041 | Oil & Gas Operator | Dec 2024 |
246 | Diamond B Company Inc | Tulsa, OK 74170 | Oil & Gas Operator | Dec 2010 |
247 | Diamond Energy Operating Company | Tulsa, OK 74137 | Oil & Gas Operator | Mar 2005 |
248 | Diamond Energy, Inc. | Sherman, TX 75091 | Oil & Gas Operator | Mar 2025 |
249 | Diasu Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
250 | Dinsmore C E | Enid, OK 73702 | Oil & Gas Operator | May 2009 |
251 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Mar 2025 |
252 | DLB Energy Corporation | Oklahoma City, OK 73118-1401 | Oil & Gas Operator | Dec 2014 |
253 | DLB Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Mar 2025 |
254 | DMS Oil Company | Houston, TX 77042 | Oil & Gas Operator | Jan 2025 |
255 | Doco Development Corporation | Norman, OK 73072 | Oil & Gas Operator | Jan 2025 |
256 | Domac Oil Company Inc | Perkins, OK 74059-0642 | Oil & Gas Operator | Feb 2006 |
257 | Dominion Ok TX E & P Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2018 |
258 | Donaldson Richard E | Bartlesville, OK 74005-0032 | Oil & Gas Operator | Nov 2005 |
259 | Donson Corporation | Edmond, OK 73083-0341 | Oil & Gas Operator | Jul 1997 |
260 | Dorfs Drilling Company | Waurika, OK 73573 | Oil & Gas Operator | Nov 2024 |
261 | Double Eagle Oil & Gas Inc | Enid, OK 73702 | Oil & Gas Operator | Jan 2000 |
262 | Draco Production Company | Tulsa, OK 74133 | Oil & Gas Operator | Jul 2012 |
263 | Drake Exploration Inc | Tulsa, OK 74105-4250 | Oil & Gas Operator | Jan 2025 |
264 | Driver Energy Of Texas | Dallas, TX 75379-5951 | Oil & Gas Operator | Apr 2011 |
265 | Duncan Ronald R | Okemah, OK 74859-9603 | Oil & Gas Operator | Aug 2023 |
266 | Durango Exploration LLC | Oklahoma City, OK 73120-5309 | Oil & Gas Operator | Jan 2025 |
267 | Dyco Petroleum Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
268 | Ea Petroleum Inc | Norman, OK 73072-4147 | Oil & Gas Operator | May 2006 |
269 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Mar 2025 |
270 | Eagle Rock Mid-Continent Operating LLC | Tulsa, OK 74103-3703 | Oil & Gas Operator | Dec 2024 |
271 | Eason Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2012 |
272 | Edinger Engineering, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2025 |
273 | Edinger Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2007 |
274 | Eei Operating Inc. | Plano, TX 75093 | Oil & Gas Operator | May 2015 |
275 | Elf Aquitaine Inc | Houston, TX 77002 | Oil & Gas Operator | May 1991 |
276 | Elite Resources Inc | Cleveland, OK 74020 | Oil & Gas Operator | Jan 2025 |
277 | Elite Tank Trucks, Inc | | Oil & Gas Operator | Jan 2025 |
278 | Emmaus Energy LLC | Tulsa, OK 74137 | Oil & Gas Operator | Dec 2024 |
279 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Jan 2025 |
280 | Endeavor Natural Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2015 |
281 | Energex Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2025 |
282 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2024 |
283 | Energy Production Services LLC | Oklahoma City, OK 73162-4736 | Oil & Gas Operator | Apr 2020 |
284 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
285 | Ensource Inc | Midland, TX 79705 | Oil & Gas Operator | Aug 1998 |
286 | EOG (Oklahoma) Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Oct 2016 |
287 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
288 | Eott Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 1995 |
289 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
290 | Equal Energy Us Inc | Tulsa, OK 74103-4621 | Oil & Gas Operator | Nov 2019 |
291 | Equipment Lott Inc The | Hennessey, OK 73742-0655 | Oil & Gas Operator | Mar 2008 |
292 | Equity Export Oil & Gas Co Inc | Kansas City, MO 64116 | Oil & Gas Operator | Feb 2002 |
293 | Esis Inc | | Oil & Gas Operator | Feb 2017 |
294 | Excelco Energy Inc. | Kingwood, TX 77339 | Oil & Gas Operator | Jul 2018 |
295 | Exok, Inc. | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2024 |
296 | Exoko Operating Company Inc | Tulsa, OK 74170-0246 | Oil & Gas Operator | Jan 2006 |
297 | Exploration Associates II LLC | Oklahoma City, OK 73102-8815 | Oil & Gas Operator | Jan 2013 |
298 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Mar 2025 |
299 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Dec 2024 |
300 | F C D Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 1995 |