101 | Caribbean Energy, L.L.C. | Cotulla, TX 78014 | Oil & Gas Operator | Nov 2019 |
102 | Carrizo (Eagle Ford) LLC | Houston, TX 77042 | Oil & Gas Operator | Jan 2020 |
103 | Carrizo Exploration, Inc. | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Aug 2016 |
104 | Carrizo Oil & Gas, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
105 | Catarina Petroleum L. C. | Dallas, TX 75228 | Oil & Gas Operator | Jun 2008 |
106 | CCV, Inc. | Houston, TX 77019 | Oil & Gas Operator | Sep 1994 |
107 | Ceniza Petroleum, Inc. | Portland, TX 78374 | Oil & Gas Operator | May 2024 |
108 | Chaparral Natural Resources,Inc. | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
109 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 2024 |
110 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2024 |
111 | Cheyenne Petroleum Company | Oklahoma City, OK 73134 | Oil & Gas Operator | May 2024 |
112 | Chiodo Corp. | San Antonio, TX 78232 | Oil & Gas Operator | May 2024 |
113 | Christico Petroleum Company | San Antonio, TX 78216 | Oil & Gas Operator | May 2024 |
114 | Churchill Operating, LLC | Houston, TX 77007 | Oil & Gas Operator | May 2024 |
115 | Cibolo Energy Operating, Inc. | Bulverde, TX 78163 | Oil & Gas Operator | May 2024 |
116 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | May 2024 |
117 | Civron Petroleum Res., LLC | San Antonio, TX 78229 | Oil & Gas Operator | May 2024 |
118 | Clamp Operating Incorporated | San Antonio, TX 78264 | Oil & Gas Operator | Mar 2011 |
119 | Claron Corporation | Houston, TX 77219 | Oil & Gas Operator | May 2024 |
120 | Clear Fork, Incorporated | Abilene, TX 79604 | Oil & Gas Operator | May 2024 |
121 | Clipper Operating Co., Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jan 2000 |
122 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
123 | Cockrell Production Co., Inc. | Irving, TX 75014 | Oil & Gas Operator | May 2024 |
124 | Columbia Energy Properties, Inc. | Baytown, TX 77521 | Oil & Gas Operator | Jul 2004 |
125 | Columbia Gas Development Corp. | Houston, TX 77251 | Oil & Gas Operator | Jun 1996 |
126 | Comstock Oil & Gas, LP | Frisco, TX 75034 | Oil & Gas Operator | Aug 2019 |
127 | Concho Oilfield Serv & Oper Co. | Eden, TX 76837 | Oil & Gas Operator | May 2024 |
128 | Concord Energy, Inc. | Glen Rose, TX 76043 | Oil & Gas Operator | May 2024 |
129 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
130 | Conway Energy Oper Services Inc. | San Diego, TX 78384 | Oil & Gas Operator | May 2024 |
131 | Core E & P Corp. | Victoria, TX 77902 | Oil & Gas Operator | May 2024 |
132 | Costilla Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
133 | Costilla Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
134 | Cox Exploration, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 1999 |
135 | Cox Resources Corporation | Dallas, TX 75244 | Oil & Gas Operator | Mar 2015 |
136 | Creative Oil And Gas Op II, LLC | Giddings, TX 78942 | Oil Operator | May 2024 |
137 | Crest Engineering Services,Inc. | Tyler, TX 75701 | Oil & Gas Operator | Apr 2023 |
138 | Crimson Energy Partners IV, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2023 |
139 | Crimson Energy Partners V, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | May 2024 |
140 | Crimson Energy Partners, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2009 |
141 | Crimson Exploration Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2006 |
142 | Crimson Exploration Oper., Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
143 | Crossroads Mineral Prod., L.L.C. | Seguin, TX 78155 | Oil Operator | May 2024 |
144 | Cuatro Petro Corp. | Richardson, TX 75080 | Oil & Gas Operator | May 2024 |
145 | D.J.F. Services, Inc. | Holdenville, OK 74848 | Oil & Gas Operator | May 2024 |
146 | D90 Energy, LLC | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
147 | Dale Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Feb 2019 |
148 | Dantex Oil & Gas, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Aug 2003 |
149 | Daubert Operating, L.L.C. | San Antonio, TX 78209 | Oil Operator | May 2024 |
150 | Dawsey Operating Company | Georgetown, TX 78628 | Oil & Gas Operator | Mar 2016 |
151 | Dee-Jay Exploration Company | Oklahoma City, OK 73116 | Oil & Gas Operator | May 2024 |
152 | Del Petroleum Corporation | Dallas, TX 75219 | Oil & Gas Operator | Jan 2012 |
153 | Delcar, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1995 |
154 | Delray Oil, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | May 2024 |
155 | Denovo Oil & Gas, Inc. | Houston, TX 77210 | Oil & Gas Operator | May 1995 |
156 | Diamond Energy Services, LP | Tulsa, OK 74103 | Oil Operator | May 2024 |
157 | Digital Operating Company LLC | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
158 | Discovery Petroleum, L.L.C. | Alice, TX 78333 | Oil & Gas Operator | May 2024 |
159 | Dolphin Petroleum | Alice, TX 78333 | Oil & Gas Operator | Jun 2008 |
160 | Dolphin Petroleum, LP | Alice, TX 78333 | Oil & Gas Operator | May 2024 |
161 | Dorado Oil Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 2014 |
162 | Double Play Oil & Gas, Inc | Portland, TX 78374 | Oil & Gas Operator | May 2024 |
163 | Downing, Mark | Devine, TX 78016 | Oil & Gas Operator | May 2024 |
164 | Driscoll S.W.D. Inc. | San Antonio, TX 78229 | Oil & Gas Operator | May 2024 |
165 | Durst Oil Company | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Sep 2000 |
166 | Dynamic Production, Inc. | Fort Worth, TX 76106 | Oil & Gas Operator | May 2024 |
167 | Eagle Ford Oil Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | May 2024 |
168 | Earthstone Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | May 2024 |
169 | Echo Production Inc | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
170 | Eclipse Petroleum Corporation | La Grange, TX 78945 | Oil & Gas Operator | Aug 2003 |
171 | Edco Energy, Inc. | Austin, TX 78738 | Oil & Gas Operator | May 2003 |
172 | Ef Energy, L.L.C. | Houston, TX 77084 | Oil & Gas Operator | Jun 2015 |
173 | El Paso E&P Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2013 |
174 | Ellsworth, H. P. O&G Properties | Corpus Chrsti, TX 78413 | Oil & Gas Operator | May 2024 |
175 | Emlou Oil Co. | Atascosa, TX 78002 | Oil & Gas Operator | Jul 2011 |
176 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2022 |
177 | Energy Equity Company | Columbus, MT 59019 | Oil & Gas Operator | Feb 2024 |
178 | Energy Frontiers Partners, LP | Grapevine, TX 76051 | Oil Operator | May 2008 |
179 | Energy Resources Oil & Gas Corp. | Amarillo, TX 79102 | Oil & Gas Operator | Jun 1994 |
180 | Enhanced RS, Inc. | Luling, TX 78648 | Oil Operator | May 2024 |
181 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
182 | EP Energy E&P Company, LLC | Houston, TX 77210 | Oil & Gas Operator | May 2024 |
183 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
184 | Ernest Operating Company | Rockdale, TX 76567 | Oil & Gas Operator | May 2024 |
185 | Espada Operating LLC | San Antonio, TX 78209 | Oil Operator | May 2024 |
186 | Exco Operating Company, LP | Dallas, TX 75251 | Oil & Gas Operator | May 2024 |
187 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Jan 2024 |
188 | Explo Oil Inc | Dallas, TX 75251 | Oil & Gas Operator | May 2024 |
189 | Export Petroleum Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | May 2024 |
190 | Express Oil And Gas | La Grange, TX 78945 | Oil & Gas Operator | May 2024 |
191 | Express Oil Co. | Hallettsville, TX 77964 | Oil & Gas Operator | May 2024 |
192 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Dec 2023 |
193 | Fair Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 2000 |
194 | Fair Oil, LTD. | Tyler, TX 75710 | Oil & Gas Operator | May 2024 |
195 | Fenn, Bill Inc. | Giddings, TX 78942 | Oil & Gas Operator | Mar 2008 |
196 | Ferguson Oil & Gas Inc. | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
197 | Ferguson-Burns Leasing Co. | Rockdale, TX 76567 | Oil & Gas Operator | Oct 2007 |
198 | Finaly Resources LLC | Sunset Beach, CA 90742 | Oil & Gas Operator | May 2024 |
199 | First Rock, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | May 2024 |
200 | Firstrike Energy Corporation | Cleburne, TX 76033 | Oil & Gas Operator | May 2024 |