101 | Clide Oil Corp. | Iraan, TX 79744 | Oil & Gas Operator | Nov 2015 |
102 | CLS Interests, Incorporated | Austin, TX 78734 | Oil & Gas Operator | Jan 1997 |
103 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
104 | Coastal Expanse Oil & Gas | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
105 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
106 | Coastal Production Company, Inc. | El Campo, TX 77437 | Oil & Gas Operator | Aug 1995 |
107 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
108 | Cody Energy, Inc. | Houston, TX 77077 | Oil & Gas Operator | Feb 2024 |
109 | Columbia Gas Development Corp. | Houston, TX 77251 | Oil & Gas Operator | Jun 1996 |
110 | Columbia Production Company | Edmond, OK 73083 | Oil & Gas Operator | May 2020 |
111 | Concord Operating Incorporated | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Dec 2008 |
112 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
113 | Contango Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
114 | Contango Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2024 |
115 | Contract Energy, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | Oct 2012 |
116 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
117 | Core E & P Corp. | Victoria, TX 77902 | Oil & Gas Operator | Apr 2024 |
118 | Cornerstone Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Nov 2011 |
119 | Corum Operating Company, LLC | Houston, TX 77055 | Oil & Gas Operator | Apr 2024 |
120 | Corum Production Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
121 | Crawford Energy Operating Co | Houston, TX 77056 | Oil & Gas Operator | Aug 2008 |
122 | Crawford Hughes Operating Co. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2024 |
123 | Crest Resources & Expl. Corp. | Houston, TX 77079 | Oil & Gas Operator | Dec 1998 |
124 | Crimson Exploration Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2006 |
125 | Crimson Exploration Oper., Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
126 | Crosspoint Energy Company | Dallas, TX 75205 | Oil & Gas Operator | Oct 2007 |
127 | Cxy Energy, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Nov 2000 |
128 | D & P Operating & Prod. Corp. | Cedar Park, TX 78613 | Oil & Gas Operator | Dec 2003 |
129 | Dalen Resources Oil & Gas Co. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2010 |
130 | Dallas Operating Corp. | Dallas, TX 75205 | Oil & Gas Operator | Nov 2006 |
131 | Daniels Corporation, The | Seabrook, TX 77586 | Oil & Gas Operator | Apr 2024 |
132 | Dantex Oil & Gas, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Aug 2003 |
133 | Dartex Energy Corporation | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
134 | Davis Bros. Oil Producers, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2020 |
135 | Davis Energy Services LLC | La Grange, TX 78945 | Oil Operator | Apr 2024 |
136 | Davis Gulf Coast, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2024 |
137 | Davis Operating Company | Elysian Field, TX 75642 | Oil & Gas Operator | Apr 2024 |
138 | Davis Southern Operating Co LLC | Houston, TX 77004 | Oil & Gas Operator | Apr 2024 |
139 | Daylight Petroleum LLC | Houston, TX 77052 | Oil & Gas Operator | Apr 2024 |
140 | Daystar Operating Company, LLC | Austin, TX 78750 | Oil & Gas Operator | Apr 2008 |
141 | Deguello Operating LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
142 | Delaware Davis Petroleum Corp. | Houston, TX 77056 | Oil & Gas Operator | Jan 2000 |
143 | Delco Operating Company LP | Houston, TX 77056 | Oil & Gas Operator | May 2020 |
144 | Delta Exploration Company Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
145 | Delta Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
146 | Denbury Onshore, LLC | Plano, TX 75024 | Oil & Gas Operator | Apr 2024 |
147 | Denovo Oil & Gas, Inc. | Houston, TX 77210 | Oil & Gas Operator | May 1995 |
148 | Derrick Oil & Gas, Inc. | Rosharon, TX 77583 | Oil & Gas Operator | Aug 2003 |
149 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2024 |
150 | Dewbre Petroleum Corporation | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
151 | Dorado Oil Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 2014 |
152 | Drillmar Energy, Inc. | Houston, TX 77079 | Oil & Gas Operator | Nov 2014 |
153 | Drillmar Operating Company | Houston, TX 77019 | Oil & Gas Operator | Jun 2013 |
154 | Driscoll S.W.D. Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Apr 2024 |
155 | Duncan Energy Company | Denver, CO 80202 | Oil & Gas Operator | Mar 2008 |
156 | Duncan Oil Inc | Denver, CO 80210 | Oil & Gas Operator | Jun 2016 |
157 | Dune Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Jun 2016 |
158 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2024 |
159 | Eca Holdings, L.P. | Sugar Land, TX 77478 | Oil & Gas Operator | Mar 2010 |
160 | Edinger Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2007 |
161 | Edwards, Gus Co. | Abilene, TX 79603 | Oil & Gas Operator | Jun 2004 |
162 | Eex Corporation | Houston, TX 77060 | Oil & Gas Operator | Feb 2000 |
163 | El Paso Production Oil & Gas Co. | Houston, TX 77252 | Oil & Gas Operator | Apr 2024 |
164 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Feb 2024 |
165 | Elliott Oil & Gas Company | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2006 |
166 | Elliott Oil & Gas Operating Co. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2024 |
167 | Elliott Oil Company, L.P. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2024 |
168 | Eminent Oil & Gas, Inc. | Houston, TX 77077 | Oil & Gas Operator | Apr 2024 |
169 | Endeavor Natural Gas LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2015 |
170 | Endeavor Natural Gas, LP | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
171 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2023 |
172 | Energy Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
173 | Energy Reserves Group LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
174 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jan 2024 |
175 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
176 | Engroup Resources, L.P. | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
177 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
178 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
179 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
180 | Erg Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2015 |
181 | Esenjay Exploration, Inc | Houston, TX 77042 | Oil & Gas Operator | Jan 2024 |
182 | Esenjay Petroleum Corp. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jul 1998 |
183 | European-Southwest Co. | Houston, TX 77254 | Oil & Gas Operator | Apr 2024 |
184 | Evergreen Energy, Inc | Houston, TX 77098 | Oil & Gas Operator | Apr 2024 |
185 | Exotic Oil & Gas LLC | Indiana, PA 15701-3634 | Oil & Gas Operator | Dec 2023 |
186 | Express Oil Co. | Hallettsville, TX 77964 | Oil & Gas Operator | Apr 2024 |
187 | Expro Engineering, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Apr 2024 |
188 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Dec 2023 |
189 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
190 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2024 |
191 | Famcor Oil, Inc. | Scottsdale, AZ 85260 | Oil & Gas Operator | Sep 2020 |
192 | Fenn, Bill Inc. | Giddings, TX 78942 | Oil & Gas Operator | Mar 2008 |
193 | Ferreira Oil Properties LLC | Carefree, AZ 85377 | Oil Operator | Apr 2014 |
194 | Ffa Petroleum Services, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2018 |
195 | Finley Oil Company, LLC | Liberty, TX 77575 | Oil Operator | Apr 2024 |
196 | Five-Jab, Inc. | Tomball, TX 77377 | Oil & Gas Operator | Apr 2024 |
197 | Fore Oil, LLC | Manvel, TX 77578 | Oil Operator | May 2021 |
198 | Forney & McCombs | Houston, TX 77056 | Oil & Gas Operator | Jan 1998 |
199 | Forney Oil Corporation | Houston, TX 77056 | Oil & Gas Operator | Jan 1998 |
200 | Fort Apache Energy, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Apr 2024 |