101 | DCP, Inc. | | Oil & Gas Operator | Jun 1990 |
102 | DDC & T Operating Company, Inc | | Oil & Gas Operator | Jul 2005 |
103 | Dean Enterprises, Inc. | | Oil & Gas Operator | Jun 2019 |
104 | Dean Petroleum | | Oil & Gas Operator | May 2000 |
105 | Debbie Carroll | | Oil & Gas Operator | Apr 1999 |
106 | Debeaux - Flores | | Oil & Gas Operator | Jan 2024 |
107 | Deblin Oil & Gas, Inc | | Oil & Gas Operator | Aug 1995 |
108 | Deblin Operating LTD | | Oil & Gas Operator | Jan 1997 |
109 | Deck Oil Company | Tulsa, OK 74101 | Oil & Gas Operator | Jun 2020 |
110 | Decker & Associates | | Oil & Gas Operator | Mar 1991 |
111 | Decker Operating Co., L.L.C. | Houston, TX 77008 | Oil & Gas Operator | Apr 2024 |
112 | Deco | Kilgore, TX 75662 | Oil & Gas Operator | Jan 1999 |
113 | Deco Oil Co. | | Oil Operator | Oct 2013 |
114 | Deep South Production | | Oil Operator | Nov 2023 |
115 | Dees Production LLC | | Oil Operator | Dec 2023 |
116 | Dekasco, Inc. | | Oil & Gas Operator | May 1990 |
117 | Delbert A. Dodson | | Oil Operator | Aug 2002 |
118 | Delhi Gas Pipeline Corporation | Palestine, TX 75802 | Oil & Gas Operator | Feb 1998 |
119 | Delmar Operating, Inc. | Houston, TX 77010 | Oil & Gas Operator | Oct 1996 |
120 | Delphi International, Inc. | Tulsa, OK 74104 | Oil Operator | Dec 2023 |
121 | Delta Development Co. Inc. | | Oil & Gas Operator | Dec 1988 |
122 | Delta Energy Resources, Inc. | | Oil & Gas Operator | Jun 1990 |
123 | Delta Expl.& Development Corp. | | Oil & Gas Operator | Dec 2023 |
124 | Delta Exploration Company Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
125 | Delta Operating Company | | Oil Operator | Mar 1987 |
126 | Delta Operating Corporation | | Oil & Gas Operator | Dec 2023 |
127 | Delta Petroleum Corp Of Co | | Oil & Gas Operator | Oct 2010 |
128 | Delta Petroleum Inc | Houston, TX 77269-1007 | Oil & Gas Operator | May 2009 |
129 | Delta Production Services, LLC | | Oil & Gas Operator | Sep 2002 |
130 | Delta Royalties LLC | | Oil & Gas Operator | Dec 2023 |
131 | Deltaus Corporation | | Oil & Gas Operator | Oct 1985 |
132 | Deminex U.S. Oil Company | | Oil & Gas Operator | Jan 1998 |
133 | Demiran Production, Inc. | | Oil Operator | Mar 2008 |
134 | Dempsey & Rowe | | Oil Operator | Aug 1986 |
135 | Denali Oil & Gas Management, LLC | Houston, TX 77060 | Oil & Gas Operator | Dec 2012 |
136 | Denbury Management, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Dec 1999 |
137 | Denbury Offshore, Inc. | | Oil & Gas Operator | Nov 2004 |
138 | Denbury Onshore, LLC | Plano, TX 75024 | Oil & Gas Operator | Apr 2024 |
139 | Denbury Resources Inc. | Plano, TX 75024 | Oil & Gas Operator | Dec 2003 |
140 | Denovo Oil & Gas, Inc. | Houston, TX 77210 | Oil & Gas Operator | May 1995 |
141 | Derrick Petroleum Inc | Bladensburg, OH 43005 | Oil & Gas Operator | Dec 2023 |
142 | Desco Oil Company | Houston, TX 77056 | Oil & Gas Operator | Feb 2017 |
143 | Desco-Medders | | Oil & Gas Operator | Jun 1984 |
144 | Desoto Gas Corporation | | Oil & Gas Operator | Oct 1986 |
145 | Desoto Gas Prod Co Inc-Zadeck | | Gas Operator | Jan 1990 |
146 | Desoto Gas Producing Co. Inc | | Oil & Gas Operator | Jan 1990 |
147 | Desoto Oil & Gas Corporation | | Oil & Gas Operator | Dec 1990 |
148 | Desperation Oil & Gas Co. | | Gas Operator | Jan 1989 |
149 | Despot Expl. Inc-Serio Expl Co | | Oil & Gas Operator | Apr 1990 |
150 | Despot Exploration, Inc. | | Oil & Gas Operator | Apr 1990 |
151 | Despot Production Company | | Oil & Gas Operator | May 1983 |
152 | Despot, Inc. | | Oil & Gas Operator | Mar 1983 |
153 | Destin Operating Company, Inc. | | Oil & Gas Operator | Dec 2022 |
154 | Destin Resources LLC | | Gas Operator | Jul 2018 |
155 | Devon Corporation | | Oil Operator | Oct 1981 |
156 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
157 | Devon Energy Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2009 |
158 | Devon Energy Operating Co., L.P. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2009 |
159 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 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 | Dew Oil And Gas Co.,Inc. | | Oil & Gas Operator | Dec 1989 |
163 | Dewco Oil | | Oil Operator | Jun 1996 |
164 | Dewey E. Williams | | Oil Operator | Nov 1978 |
165 | Dewey White Etal | | Oil & Gas Operator | Dec 1987 |
166 | Dewey Williams | | Oil Operator | Mar 1992 |
167 | Dews Production LLC | Mount Holly, AR 71758 | Oil & Gas Operator | Feb 2024 |
168 | Dexco, Inc. | | Oil & Gas Operator | May 1990 |
169 | DGH Petroleum, Inc. | | Oil & Gas Operator | Aug 2011 |
170 | Di Energy Inc. | Houston, TX 77067 | Oil & Gas Operator | Jan 2004 |
171 | Diablo Oil Corp. | | Oil & Gas Operator | Apr 1989 |
172 | Diamar Oil Company, Inc. | | Oil Operator | Nov 1983 |
173 | Diamex Company | | Oil & Gas Operator | Oct 1982 |
174 | Diamond D Operating | | Oil & Gas Operator | Apr 1995 |
175 | Diamond Drilling Co. | | Oil Operator | Apr 1983 |
176 | Diamond S Operating Co. | | Oil & Gas Operator | Oct 1992 |
177 | Diamond Shamrock Corp | Amarillo, TX 79105 | Oil & Gas Operator | Jan 1987 |
178 | Diamond Shamrock Expl. Co. | | Oil & Gas Operator | Jun 1987 |
179 | Diasu Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
180 | Dilligas, Inc. | | Oil Operator | May 1990 |
181 | Dimension Energy Co., L.L.C. | | Oil & Gas Operator | Jan 2024 |
182 | Discovery Energy, LLC | | Oil Operator | Jan 2007 |
183 | Discovery Operating, LLC | | Oil & Gas Operator | Oct 2023 |
184 | Discus Oil Corporation | | Oil & Gas Operator | Dec 2002 |
185 | Ditta Exploration Co., Inc. | | Oil & Gas Operator | Feb 1990 |
186 | Diversified Energy Investments | | Oil & Gas Operator | May 2009 |
187 | Diversified Natural Res., Inc. | | Oil Operator | May 2000 |
188 | Diversified Production LLC | Minden, LA 71055 | Oil & Gas Operator | Apr 2024 |
189 | Divine'S Service & Repairs Inc | | Oil & Gas Operator | Mar 1997 |
190 | Dixie Operating Company | Spring, TX 77379 | Oil & Gas Operator | Dec 2002 |
191 | Dixie Well Service, Inc. | | Oil & Gas Operator | Jul 1995 |
192 | Dixon Management Corp. | | Oil & Gas Operator | May 1984 |
193 | DKM Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2011 |
194 | DLB Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2024 |
195 | DMS Oil Company | Houston, TX 77042 | Oil & Gas Operator | Jan 2024 |
196 | Dna Petroleum Inc. | | Oil Operator | Dec 2004 |
197 | Docherty Operating, L.L.C. | | Oil Operator | Dec 2023 |
198 | Dome De Sel LLC | | Oil & Gas Operator | Dec 2023 |
199 | Dome Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
200 | Domestic Energy Corporation | | Oil Operator | Jan 1988 |