101 | Chaco Energy Company | Denver, CO 80201 | Oil & Gas Operator | Oct 2024 |
102 | Champion Reserves-Cri Inc | Oklahoma City, OK 73123 | Oil & Gas Operator | Jun 1994 |
103 | Champlin Exploration, Inc. | Enid, OK 73702 | Oil & Gas Operator | Oct 2024 |
104 | Chapman Elise P Estate | | Oil & Gas Operator | Mar 2020 |
105 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2024 |
106 | Chesapeake Energy MKT Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2022 |
107 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |
108 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
109 | Chizum Oil LLC | Wichita, KS 67211 | Oil & Gas Operator | Aug 2024 |
110 | Christa Oil Co | Cumberland, OH 43732 | Oil & Gas Operator | Nov 1999 |
111 | Cimarex Energy Co | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
112 | Cimarex Energy Co. Of Colorado | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
113 | Cimarron Operating Company | Oklahoma City, OK 73112-3967 | Oil & Gas Operator | May 2011 |
114 | Citrus Energy Corporation | Castle Rock, CO 80104 | Oil & Gas Operator | Mar 2020 |
115 | Clydesdale Energy LLC | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Nov 2019 |
116 | CMS Nomeco Oil & Gas Co. | Jackson, MI 49201 | Oil & Gas Operator | Jan 2015 |
117 | Co-St Oil Operating Co Inc | Enid, OK 73706 | Oil & Gas Operator | Apr 1997 |
118 | Coaleum Corporation | Dallas, TX 75205 | Oil & Gas Operator | Jan 2001 |
119 | Coastal Plains Energy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2024 |
120 | Coenergy Operating Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
121 | Colt Resources Corporation | Billings, MT 59103 | Oil & Gas Operator | Feb 2013 |
122 | Comanche Exploration Co LLC | Oklahoma City, OK 73116-7334 | Oil & Gas Operator | Oct 2024 |
123 | Comanche Petroleum Corporation | Norman, OK 73072 | Oil & Gas Operator | Apr 2024 |
124 | Complete Energy Services LLC | Gainesville, TX 76240 | Oil Operator | Aug 2022 |
125 | Concho Exploration Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2015 |
126 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
127 | Contango Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
128 | Continental Operating Co. | Houston, TX 77024 | Oil & Gas Operator | Dec 2024 |
129 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Dec 2024 |
130 | Coon Creek Transmission LLC | Barnsdall, OK 74002 | Oil & Gas Operator | May 2018 |
131 | Cordillera Energy Partners II LLC | Greenwood VIllage, CO 80111-2856 | Oil & Gas Operator | Jul 2024 |
132 | Cordillera Energy Partners III LLC | Greenwood VIllage, CO 80111-2856 | Oil & Gas Operator | Mar 2014 |
133 | Cordillera Energy Partners, LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Mar 2020 |
134 | Cortez Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2016 |
135 | Cory, Kenneth W. | Bellaire, TX 77401 | Oil & Gas Operator | Mar 2012 |
136 | Cotton Petroleum Corporation | Tulsa, OK 74102 | Oil & Gas Operator | Jan 2005 |
137 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2024 |
138 | Crescendo Resources, L.P. | Amarillo, TX 79188 | Oil & Gas Operator | Sep 2024 |
139 | Cross Timbers Operating Co | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2024 |
140 | Crown Energy Company | Oklahoma City, OK 73106 | Oil & Gas Operator | Sep 2024 |
141 | Crusader Energy Group Inc. | Austin, TX 78746 | Oil & Gas Operator | Mar 2015 |
142 | Culbreath Oil & Gas Co Inc | Tulsa, OK 74135 | Oil & Gas Operator | Oct 2024 |
143 | D & D Energy Inc | Sapulpa, OK 74066-8734 | Oil & Gas Operator | May 2013 |
144 | D & D Pipe & Equipment Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2005 |
145 | D & J Oil Co | Kermit, TX 79745 | Oil & Gas Operator | Dec 2024 |
146 | D C Energy, Inc. | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2020 |
147 | D.J.F. Services, Inc. | Holdenville, OK 74848 | Oil & Gas Operator | Dec 2024 |
148 | Dab Limited | Oklahoma City, OK 73116-9082 | Oil & Gas Operator | Aug 2013 |
149 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Dec 2024 |
150 | Dalen Resources Oil & Gas Co. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2010 |
151 | Damson Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Mar 2005 |
152 | Davco Productions Inc | Springer, OK 73458-8191 | Oil & Gas Operator | Jun 2021 |
153 | Dawson Resources Inc | Franktown, CO 80116 | Oil & Gas Operator | Mar 2015 |
154 | DCP Operating Co LP | Houston, TX 77042 | Oil & Gas Operator | Sep 2024 |
155 | Dehart Company (The) | Ardmore, OK 73402 | Oil & Gas Operator | Oct 2024 |
156 | Derrick Resources Inc. | Henryetta, OK 74437-4249 | Oil & Gas Operator | Oct 2024 |
157 | Dette Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Oct 2015 |
158 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
159 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2024 |
160 | Devon Louisiana Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2019 |
161 | Devon SFS Operating Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
162 | Dewey Energy GP LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2022 |
163 | Diamond Harry H Inc | Shawnee, OK 74801 | Oil & Gas Operator | Aug 2024 |
164 | Diamond Production Company LLC | Irving, TX 75016-7853 | Oil & Gas Operator | Sep 2024 |
165 | Dillingham Ranch LC | Tulsa, OK 74152 | Oil & Gas Operator | May 2013 |
166 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Dec 2024 |
167 | DLB Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Dec 2024 |
168 | Dome Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
169 | Dominion Exp Midcontinent Inc | Oklahoma City, OK 73134-2616 | Oil & Gas Operator | Oct 2024 |
170 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
171 | Dominion Ok TX E & P Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2018 |
172 | Douglas Fairbanks Holdings LLC | Pine Hurst, TX 77362-9998 | Oil & Gas Operator | Oct 2024 |
173 | Duck Bros Dozer & Trucking Inc | Konawa, OK 74849 | Oil & Gas Operator | Oct 2024 |
174 | Duncan Oil Properties, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2024 |
175 | Dyco Petroleum Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
176 | Eagle Energy PTR I LP | Houston, TX 77064 | Oil & Gas Operator | Feb 2015 |
177 | Eagle Gas Marketing Co | Oklahoma City, OK 73114-2202 | Oil & Gas Operator | Nov 2022 |
178 | Eagle Minerals & Oil Prop Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2002 |
179 | Eagle Rock Mid-Continent Operating LLC | Tulsa, OK 74103-3703 | Oil & Gas Operator | Sep 2024 |
180 | Earlsboro Energies Corporation | Oklahoma City, OK 73116-3605 | Oil & Gas Operator | Sep 2024 |
181 | Edinger Engineering, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 2024 |
182 | Eec Inc | Norman, OK 73069-6344 | Oil & Gas Operator | Oct 2024 |
183 | Ehrlich, Mitchell | Perryton, TX 79070 | Oil & Gas Operator | May 1999 |
184 | El Paso Natural Gas Company | El Paso, TX 79978 | Oil & Gas Operator | Apr 2013 |
185 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
186 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Sep 2024 |
187 | Elite Tank Trucks, Inc | | Oil & Gas Operator | Oct 2024 |
188 | Elm Ridge Exploration Company LLC | Bloomfield, NM 87413 | Oil & Gas Operator | Nov 2017 |
189 | Enable Gas Transmission LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2022 |
190 | Encana Energy Resources Inc | Denver, CO 80202-2828 | Oil & Gas Operator | Feb 2024 |
191 | Encino Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
192 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Oct 2024 |
193 | Enernet Inc | Oklahoma City, OK 73102-8004 | Oil & Gas Operator | Nov 2014 |
194 | Enerquest Oil & Gas LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2024 |
195 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
196 | Enogex Services Corporation | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Apr 2009 |
197 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
198 | EOG (Oklahoma) Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Oct 2016 |
199 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
200 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |