101 | Cimarron Petroleum Corporation | Houston, TX 77057-2696 | Oil & Gas Operator | Jan 2024 |
102 | Cirrus Production Company | Enid, OK 73702 | Oil & Gas Operator | Jan 2024 |
103 | Claremont Corporation | Tulsa, OK 74101-3226 | Oil & Gas Operator | Feb 2017 |
104 | Claremont Exploration Inc | Tulsa, OK 74103-4107 | Oil & Gas Operator | Jun 1997 |
105 | Clark Operating Services, Inc. | Okmulgee, OK 74447 | Oil & Gas Operator | May 2013 |
106 | Coastal Oils Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2013 |
107 | Coastal States Gas Prod. Co. | | Oil & Gas Operator | Jun 1996 |
108 | Colt Resources Corporation | Billings, MT 59103 | Oil & Gas Operator | Feb 2013 |
109 | Columbus Energy Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2008 |
110 | Combest A L | Purcell, OK 73080-6829 | Oil & Gas Operator | Aug 2021 |
111 | Combined Resources Corporation | Edmond, OK 73083 | Oil & Gas Operator | Apr 2024 |
112 | Compadre Drilling & Expl Corp | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2015 |
113 | Comstock Oil & Gas, LP | Frisco, TX 75034 | Oil & Gas Operator | Aug 2019 |
114 | Concho Exploration Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2015 |
115 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
116 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
117 | Consolidated Oil & Gas Inc | Wichita, KS 67202 | Oil & Gas Operator | Dec 2012 |
118 | Consolidated Peto Equity LTD | La Crescenta, CA 91214 | Oil & Gas Operator | Dec 1996 |
119 | Contango Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
120 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
121 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
122 | Corner Energy LLC | Oklahoma City, OK 73156-0548 | Oil & Gas Operator | Mar 2015 |
123 | Cross Timbers Operating Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2023 |
124 | Cummings Oil Company | Oklahoma City, OK 73112-6113 | Oil & Gas Operator | Feb 2024 |
125 | Czar Resources Inc | Houston, TX 77060 | Oil & Gas Operator | Oct 1992 |
126 | D & B Operating LLC | | Oil Operator | Jan 2023 |
127 | D C Energy, Inc. | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2020 |
128 | D.J.F. Services, Inc. | Holdenville, OK 74848 | Oil & Gas Operator | Apr 2024 |
129 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
130 | Dale George | Elmore City, OK 73433-0188 | Oil & Gas Operator | Aug 2022 |
131 | Dallas Production, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2021 |
132 | Damson Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Mar 2005 |
133 | Darrell'S Drilling Inc | Konawa, OK 74849-0068 | Oil Operator | Feb 2024 |
134 | Davis J L | | Oil & Gas Operator | Aug 2006 |
135 | Daylight Petroleum LLC | Houston, TX 77052 | Oil & Gas Operator | Apr 2024 |
136 | DCP Operating Co LP | Houston, TX 77042 | Oil & Gas Operator | Jan 2024 |
137 | Dean'S Well Servicing Inc | Ratliff City, OK 73481-0209 | Oil & Gas Operator | Feb 2024 |
138 | Deck Oil Company | Tulsa, OK 74101 | Oil & Gas Operator | Jun 2020 |
139 | Deka Exploration Inc | Oklahoma City, OK 73113-0057 | Oil & Gas Operator | Nov 2019 |
140 | Denveramerican Petro LLC | | Oil & Gas Operator | May 2006 |
141 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
142 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2024 |
143 | Devon Louisiana Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2019 |
144 | Devon Resources Corporation | Jenks, OK 74037-3525 | Oil & Gas Operator | Jan 2024 |
145 | Devon SFS Operating Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
146 | Dinsmore C E | Enid, OK 73702 | Oil & Gas Operator | May 2009 |
147 | Doco Development Corporation | Norman, OK 73070-4324 | Oil & Gas Operator | Feb 2024 |
148 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
149 | Dominion Ok TX E & P Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2018 |
150 | Douglass Dietz & Daley Inc | Oklahoma City, OK 73154-0125 | Oil & Gas Operator | Aug 2023 |
151 | DRG Energy Inc | Norman, OK 73026-3171 | Oil & Gas Operator | Nov 2023 |
152 | Driver Energy Of Texas | Dallas, TX 75379-5951 | Oil & Gas Operator | Apr 2011 |
153 | DSM Exploration Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | May 1996 |
154 | Duncan Oil & Gas Inc | Norman, OK 73070-8155 | Oil & Gas Operator | Sep 2020 |
155 | Dune Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Jan 1993 |
156 | E Lyle Johnson Inc | | Oil & Gas Operator | Feb 2024 |
157 | Eagle Rock Mid-Continent Operating LLC | Tulsa, OK 74103-3703 | Oil & Gas Operator | Jan 2024 |
158 | Earlsboro Energies Corporation | Oklahoma City, OK 73116-3605 | Oil & Gas Operator | Jan 2024 |
159 | Edinger Engineering, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2024 |
160 | Edinger Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2007 |
161 | Eec Inc | Norman, OK 73069-6344 | Oil & Gas Operator | Feb 2024 |
162 | Egolf Operating Company | Oklahoma City, OK 73114-7899 | Oil & Gas Operator | Apr 1998 |
163 | Ekg Operating Inc | Seminole, OK 74818-1028 | Oil & Gas Operator | Nov 2015 |
164 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
165 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Feb 2024 |
166 | Elder & Vaughn Inc | Oklahoma City, OK 73154-0938 | Oil & Gas Operator | Mar 2008 |
167 | Encore Operating Inc | | Oil Operator | Jan 2024 |
168 | Endevco Eureka LLC | Oklahoma City, OK 73102-9211 | Oil & Gas Operator | Apr 2014 |
169 | Enerfin Resources I Limited Partnership | Houston, TX 77077-2386 | Oil & Gas Operator | Apr 2023 |
170 | Energas Corporation | Oklahoma City, OK 73105-6422 | Oil & Gas Operator | Jan 2024 |
171 | Enersource Royalty Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2013 |
172 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
173 | Enerwest Trading Co LLC | Duncan, OK 73534 | Oil & Gas Operator | Jan 2024 |
174 | Enogex Products Corp | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Jun 2022 |
175 | Enterprising Enterprises Inc | Tulsa, OK 74137 | Oil Operator | Jun 2009 |
176 | EOG (Oklahoma) Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Oct 2016 |
177 | EP Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
178 | Esenjay Exploration, Inc | Houston, TX 77042 | Oil & Gas Operator | Jan 2024 |
179 | Esis Inc | | Oil & Gas Operator | Feb 2017 |
180 | Estoril Producing Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
181 | Excelco Energy Inc. | Kingwood, TX 77339 | Oil & Gas Operator | Jul 2018 |
182 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
183 | Fairway Resources Operating III LLC | | Oil & Gas Operator | Jan 2024 |
184 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
185 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Apr 2024 |
186 | Forest 1 Development Company | Denver, CO 80202-4966 | Oil & Gas Operator | Mar 2008 |
187 | Four Seas Exploration LLC | Oklahoma City, OK 73101-1557 | Oil & Gas Operator | Dec 2019 |
188 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
189 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
190 | Frontier Operating Corporation | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
191 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
192 | Genesis Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 1995 |
193 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
194 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
195 | Glacier Petroleum Co Okla Inc | Edmond, OK 73013-1977 | Oil & Gas Operator | Feb 2024 |
196 | Gladiator Operating LLC | | Oil & Gas Operator | Feb 2024 |
197 | GLB Exploration, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2024 |
198 | Glenn Supply Company, Inc. | Tulsa, OK 74101 | Oil & Gas Operator | Jan 2024 |
199 | Golden Gas Service Company | Tulsa, OK 74114-1757 | Oil & Gas Operator | Feb 2024 |
200 | Grand Resources Inc | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2024 |