101 | CL&F Operating LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2022 |
102 | Classic Energy Incorporated | Tyler, TX 75701 | Oil & Gas Operator | Jul 2005 |
103 | Classic Oil & Gas, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jan 2004 |
104 | Classic Operating Co. LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
105 | Clide Oil Corp. | Iraan, TX 79744 | Oil & Gas Operator | Nov 2015 |
106 | CLR Secondary Recovery, LLC | Wichita Falls, TX 76306 | Oil & Gas Operator | Mar 2025 |
107 | CNS Energy, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2010 |
108 | Cody Energy, Inc. | Houston, TX 77077 | Oil & Gas Operator | Jan 2025 |
109 | Comco Of Louisiana, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2000 |
110 | Compass Energy Operating, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2025 |
111 | Comstock Oil & Gas, Inc. | Frisco, TX 75034 | Oil & Gas Operator | Dec 2012 |
112 | Comstock Oil & Gas, LLC | Frisco, TX 75034 | Oil & Gas Operator | Mar 2025 |
113 | Comstock Oil & Gas, LP | Frisco, TX 75034 | Oil & Gas Operator | Aug 2019 |
114 | Concord Operating Incorporated | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Dec 2008 |
115 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
116 | Conquest Energy, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Mar 2025 |
117 | Cook Exploration Co. | Longview, TX 75602 | Oil & Gas Operator | Mar 2025 |
118 | Coronado Energy E&P Company, LLC | Houston, TX 77252 | Oil & Gas Operator | Dec 2010 |
119 | Corsa Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
120 | Costilla Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
121 | Costilla Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
122 | Cotton Valley Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2025 |
123 | Cottonwood Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2003 |
124 | Covey Park Operating LLC | Dallas, TX 75225 | Oil & Gas Operator | Aug 2019 |
125 | Covey Park Resources LLC | Frisco, TX 75034 | Oil & Gas Operator | Aug 2019 |
126 | Cox Resources Corporation | Dallas, TX 75244 | Oil & Gas Operator | Mar 2015 |
127 | CR2 Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
128 | Craton Energy Company II LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
129 | Craton Energy Holdings III, LP | Houston, TX 77002 | Oil & Gas Operator | Jul 2009 |
130 | Craton Operating LLC | Bellaire, TX 77401 | Oil & Gas Operator | Mar 2025 |
131 | CRD Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2021 |
132 | Crescent Pass Energy, LLC | Houston, TX 77070 | Oil & Gas Operator | Mar 2025 |
133 | Cross Creek Energy LLC | Houston, TX 77074 | Oil & Gas Operator | Aug 2013 |
134 | Cross Timbers Energy, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2025 |
135 | Crow, David | Shreveport, LA 71106 | Oil & Gas Operator | May 2001 |
136 | Crystal Oil Company | Shreveport, LA 71120 | Oil & Gas Operator | Jul 1995 |
137 | Culver & Cain Production LLC | Tyler, TX 75711 | Oil & Gas Operator | Mar 2025 |
138 | CX Operating LLC | Dallas, TX 75238 | Oil & Gas Operator | Mar 2025 |
139 | Cypress Operating, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2025 |
140 | D & W Trucking Company | De Berry, TX 75639 | Oil Operator | Mar 2003 |
141 | D-S-B Properties, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2014 |
142 | D90 Energy, LLC | Austin, TX 78746 | Oil & Gas Operator | Mar 2025 |
143 | Daco Oil | Joinerville, TX 75658 | Oil & Gas Operator | Aug 2019 |
144 | Dallas Production, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2021 |
145 | Danmark Energy Services, Inc. | White Oak, TX 75693 | Oil & Gas Operator | Apr 2021 |
146 | Davis Operating Company | Elysian Field, TX 75642 | Oil & Gas Operator | Mar 2025 |
147 | DCP Operating Co LP | Houston, TX 77042 | Oil & Gas Operator | Nov 2024 |
148 | Dearing, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2021 |
149 | Deep Rock Resources, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2025 |
150 | Delta Exploration Company Inc | Denver, CO 80202 | Oil & Gas Operator | Mar 2025 |
151 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2025 |
152 | Devon Louisiana Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2019 |
153 | Diamond Energy, Inc. | Sherman, TX 75091 | Oil & Gas Operator | Mar 2025 |
154 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Mar 2025 |
155 | DJD Drilling Corporation | Graham, TX 76450 | Oil Operator | Jan 2010 |
156 | DMS Oil Company | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
157 | Dominion Oklahoma Texas E&P, Inc | Richmond, VA 23219 | Oil & Gas Operator | Sep 2018 |
158 | Donnell Pipe & Supply Co/TX Corp | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2008 |
159 | Dorado Operating Inc. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2011 |
160 | Double Eagle Petroleum Corp | Evansville, IN 47725 | Oil & Gas Operator | Mar 2025 |
161 | Double L Contractors, LLC | Carthage, TX 75633 | Oil Operator | Mar 2025 |
162 | Dove Creek Energy, Inc. | Fort Worth, TX 76121 | Oil & Gas Operator | Mar 2025 |
163 | Dowden, T. L. | Henderson, TX 75652 | Oil & Gas Operator | Mar 2025 |
164 | Dreyfus, Louis Natural Gas Corp | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2001 |
165 | E.C. Production, L.L.C. | Rosenberg, TX 77471 | Oil & Gas Operator | Mar 2025 |
166 | Eagle Oil Management, LLC | Shreveport, LA 71106 | Oil & Gas Operator | Mar 2025 |
167 | Eason Production Company | Atlanta, TX 75551 | Oil & Gas Operator | May 2007 |
168 | East Texas Exploration, LLC | Edmond, OK 73003 | Oil & Gas Operator | Sep 2019 |
169 | Eastex Operating, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2003 |
170 | Edmonds, Karl F. Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2005 |
171 | Eex E&P Company, L.P. | Houston, TX 77060 | Oil & Gas Operator | Jul 2003 |
172 | El Paso E&P Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2013 |
173 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
174 | Elms Oil Company | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2025 |
175 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
176 | Encrescent, LLC | Dallas, TX 75205 | Oil & Gas Operator | Mar 2025 |
177 | Endeavor Energy Resources LP | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
178 | Endurance Oil & Gas, Inc. | Minden, LA 71055 | Oil & Gas Operator | Mar 2025 |
179 | Enduring Resources, LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Dec 2024 |
180 | Energetics Inc | Englewood, CO 80155 | Oil & Gas Operator | Aug 1985 |
181 | Energy Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | Mar 2025 |
182 | Energy Transfer Crude Marketing LLC | Houston, TX 77002 | Oil Operator | Sep 2024 |
183 | Enerquest Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2025 |
184 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
185 | Enpower Resources Inc. | Sugar Land, TX 77479 | Oil & Gas Operator | Mar 2025 |
186 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
187 | Ensight Resources, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2001 |
188 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
189 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
190 | Erso, Inc. | Houston, TX 77002 | Gas Operator | Mar 1995 |
191 | Estate Oil & Gas Corp. | Dallas, TX 75206 | Oil & Gas Operator | Oct 2011 |
192 | Etopsi Oil And Gas, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2025 |
193 | Evergreen Operating Co., LTD. | McAllen, TX 78502 | Oil & Gas Operator | Mar 2025 |
194 | Exco Operating Company, LP | Dallas, TX 75251 | Oil & Gas Operator | Mar 2025 |
195 | Exco Production Company, LP | Dallas, TX 75251 | Oil & Gas Operator | Dec 2009 |
196 | Exco/Hgi JV Assets, LLC | Dallas, TX 75251 | Oil & Gas Operator | Jun 2014 |
197 | Explo Oil, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Mar 2025 |
198 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
199 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Mar 2025 |
200 | F O & G LLC | Pawhuska, OK 74056-5075 | Oil Operator | Apr 2022 |