201 | Os&S Operating Inc. | Electra, TX 76360 | Oil & Gas Operator | Dec 2024 |
202 | Osborn Heirs Co | San Antonio, TX 78217 | Oil & Gas Operator | Sep 2024 |
203 | Osborn,W.B. Oil & Gas Operations | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2024 |
204 | Osborne Oil Co. | Dallas, TX 75244 | Oil & Gas Operator | Aug 2003 |
205 | Oscar Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Sep 2004 |
206 | Osceola Oil & Gas Corporation | Somerset, TX 78069 | Oil & Gas Operator | Aug 1994 |
207 | Oso Exploration & Production, LLC | Houston, TX 77269 | Oil Operator | Dec 2024 |
208 | Oso Exploration Co. | San Antonio, TX 78217 | Oil & Gas Operator | Jul 2011 |
209 | Osprey Petroleum Company, Inc. | Manvel, TX 77578 | Oil & Gas Operator | May 2020 |
210 | Osr Oil & Gas Company | Victoria, TX 77902 | Oil & Gas Operator | Jul 2000 |
211 | Osr Oil & Gas Corp | Midland, TX 79710 | Oil & Gas Operator | Jun 2024 |
212 | Ostrich Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
213 | Oswego, Inc. | Amarillo, TX 79109 | Oil & Gas Operator | Jun 2004 |
214 | Osyka Oil & Gas, Inc. | Metairie, LA 70004 | Oil & Gas Operator | Dec 2024 |
215 | Osyka Permian, LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2024 |
216 | Osyka Producing Company, Inc. | Houston, TX 77242 | Oil & Gas Operator | Dec 2024 |
217 | Otb Operating, LLC | Stanton, TX 79782 | Oil & Gas Operator | Dec 2024 |
218 | Otc Petroleum Corporation | Nichols Hill, OK 73116 | Oil & Gas Operator | Mar 2015 |
219 | Otex LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Dec 2024 |
220 | Otex Resources LLC | Baytown, TX 77520 | Oil & Gas Operator | Dec 2024 |
221 | Oto, Co. | Woodward, OK 73802 | Oil & Gas Operator | Jun 1998 |
222 | Ouachita Exploration Inc | Chickasha, OK 73018 | Oil & Gas Operator | Sep 2024 |
223 | Ouida Oil | Rowlett, TX 75030 | Oil & Gas Operator | Mar 2008 |
224 | Outlaw Oil LLC | Caldwell, TX 77836 | Oil & Gas Operator | Dec 2024 |
225 | Outline Oil Company LLC | Beeville, TX 78104 | Oil Operator | Dec 2024 |
226 | Outline Oil Corp. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2024 |
227 | Ouut Investing LLC | Mineral Wells, TX 76068 | Oil Operator | Mar 2020 |
228 | Ovation Energy II, LP | Houston, TX 77279 | Oil & Gas Operator | Jun 2011 |
229 | Ovation Energy, LP | N Richlnd HLS, TX 76180 | Oil & Gas Operator | Sep 2004 |
230 | Overflow Energy, LLC | Booker, TX 79005 | Oil & Gas Operator | Dec 2024 |
231 | Overland Operating Company, LLC | Abilene, TX 79601 | Oil Operator | Dec 2024 |
232 | Overly Operating Co. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2013 |
233 | Overstreet, Jamie L | Hondo, TX 78861 | Oil & Gas Operator | Dec 2024 |
234 | Overton Park Oil & Gas LP | Fort Worth, TX 76109 | Oil & Gas Operator | Dec 2024 |
235 | Ovintiv USA Inc. | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
236 | Owens Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Sep 2008 |
237 | Owens Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 1995 |
238 | Owl Creek Operating Co., Inc. | Denver, CO 80206 | Oil & Gas Operator | Dec 2024 |
239 | Owl Creek Production Co., Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2006 |
240 | Owl Creek Production Co., LLC | Denver, CO 80265 | Oil & Gas Operator | Jan 2006 |
241 | Owl Operating Ventures L.L.C. | Midland, TX 79708 | Oil & Gas Operator | Dec 2022 |
242 | Owl Ops II LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
243 | Owl Ops LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
244 | Own Resources Operating LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Sep 2024 |
245 | Ows Energy, Inc. | Montgomery, TX 77356 | Oil & Gas Operator | Dec 2024 |
246 | Oxbow Petroleum, LLC | Midland, TX 79703 | Oil & Gas Operator | Dec 2024 |
247 | Oxenergy Incorporated | Flower Mound, TX 75022 | Oil & Gas Operator | Dec 2024 |
248 | Oxford Exploration Company | Denver, CO 80237 | Oil & Gas Operator | Aug 1995 |
249 | Oxford Oil Co. | Rockdale, TX 76567 | Oil & Gas Operator | Aug 2004 |
250 | Oxson Co. | Uvalde, TX 78802 | Gas Operator | Dec 2024 |
251 | Oxxn | Weatherford, TX 76086 | Oil & Gas Operator | Oct 2023 |
252 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
253 | Oxy USA WTP LP | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
254 | Oxyrock Operating, LLC | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
255 | Oz Gas Corporation | Austin, TX 78746 | Gas Operator | Dec 2024 |
256 | Ozark Exploration, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Dec 2024 |
257 | Oztx Oil & Gas, L.L.C. | Ozona, TX 76943 | Oil & Gas Operator | Dec 2024 |
258 | Ozzo Corporation, The | Bedford, TX 76021 | Oil Operator | Dec 2024 |