101 | Oasis Production Co., Inc. | | Oil & Gas Operator | Jun 1988 |
102 | Oast, Thomas H. | Greenville, NC 27835 | Oil Operator | Nov 1985 |
103 | Oates, John Co., Inc. | Stinnett, TX 79083 | Oil & Gas Operator | Mar 2024 |
104 | Obax Oil And Gas LLC | Saint Louis, MO 63131 | Oil Operator | Mar 2024 |
105 | Obele Oil Corporation | Sedona, AZ 86336-5745 | Oil & Gas Operator | May 2017 |
106 | Obele Operating Company LLC | Sedona, AZ 86336-5745 | Oil & Gas Operator | Dec 2023 |
107 | Oberlander Leslie A Jake | Covington, OK 73730 | Oil Operator | Jun 2007 |
108 | Obermeyer, C R | | Oil Operator | Dec 2022 |
109 | Obermiller Clarence Trust | Creston, OH 44217 | Oil & Gas Operator | Dec 1987 |
110 | Obermiller Paul J | Creston, OH 44217 | Oil & Gas Operator | Dec 2014 |
111 | Oblaen Resources LLC | Wallis, TX 77485 | Oil & Gas Operator | Mar 2024 |
112 | Occ Operating Co. | | Oil & Gas Operator | Apr 2019 |
113 | Occidental Energy Company, Inc. | Houston, TX 77282 | Oil & Gas Operator | Jul 2021 |
114 | Occidental Energy Marketing, Inc. | Houston, TX 77227 | Gas Operator | Sep 2015 |
115 | Occidental Energy MKT Inc | Houston, TX 77001 | Oil & Gas Operator | Jan 2011 |
116 | Occidental Of Elk Hills Inc. | | Oil & Gas Operator | Dec 2014 |
117 | Occidental Permian LTD. | Houston, TX 77046 | Oil & Gas Operator | Mar 2024 |
118 | Occidental Petroleum Corporation | | Oil & Gas Operator | Dec 2021 |
119 | Occidental W TX Overthrust, Inc. | Houston, TX 77210 | Oil & Gas Operator | Dec 2021 |
120 | Ocean Energy Inc Ndba Devon Louisiana Corp | | Oil & Gas Operator | Jul 2001 |
121 | Ocean Energy Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2023 |
122 | Ocean Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
123 | Ocfiw Oil Company, Inc. | Hartington, NE 68739 | Oil & Gas Operator | Dec 2009 |
124 | Ochiltree Oil Company | Edmond, OK 73034 | Oil & Gas Operator | Apr 2020 |
125 | Octagon Resources Corporation | | Oil Operator | Mar 2005 |
126 | Octagon Resources LLC | Norman, OK 73071-1295 | Oil & Gas Operator | May 2015 |
127 | Octane Energy Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Mar 2024 |
128 | Odebralski, Michael & Connie | Fredonia, NY 14063 | Gas Operator | Dec 2022 |
129 | Odegard Energy, Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2020 |
130 | Odegard Resources/Omni Exp | Columbus, OH 43207 | Oil & Gas Operator | Sep 1986 |
131 | Odell Larry | Oologah, OK 74053 | Oil Operator | Apr 2011 |
132 | Oden, Robin H., Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1994 |
133 | Odessa Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2024 |
134 | Odessa Oil Investment Co., Inc. | Odessa, TX 79762 | Oil & Gas Operator | Nov 2016 |
135 | Odom, Claude | | Oil Operator | Jul 1983 |
136 | Odom, R. H. | Snyder, TX 79550 | Oil & Gas Operator | Jun 1996 |
137 | Odom, Ralph R. | | Oil & Gas Operator | Aug 1993 |
138 | Odum Oil & Gas Co. | Harper, TX 78631 | Oil & Gas Operator | Mar 2024 |
139 | Odum Ronald L | | Oil Operator | Dec 2023 |
140 | Ody Oil Corp. | | Oil & Gas Operator | Oct 1994 |
141 | Odyssey Operating Company | Shreveport, LA 71106 | Oil & Gas Operator | Sep 2020 |
142 | Odyssey Petroleum Company | Houston, TX 77010 | Oil & Gas Operator | Apr 1995 |
143 | Odyssey Petroleum Corp. | | Oil & Gas Operator | Jun 2011 |
144 | Oe Squared Operating, LLC | Houston, TX 77098 | Oil & Gas Operator | Mar 2024 |
145 | Oedekoven Amerifields Resources LLC | Sugar Land, TX 77478 | Oil Operator | Dec 2023 |
146 | Oedekoven Water & Hot Oil | Recluse, WY 82725 | Oil & Gas Operator | Feb 2024 |
147 | Oeth DRLG Co | | Oil Operator | Dec 2018 |
148 | Oex-1 LLC | Tulsa, OK 74105-5153 | Oil & Gas Operator | Dec 2023 |
149 | Oexco, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
150 | Off Broadway Mineral Rights LLC | | Oil & Gas Operator | Nov 2023 |
151 | Offield Lease Operations LLC | Lone Grove, OK 73443-1043 | Oil & Gas Operator | May 2023 |
152 | Offset Oil & Gas | Big Spring, TX 79720 | Oil & Gas Operator | Aug 2003 |
153 | Offshore Group, Inc. The | Houston, TX 77024 | Oil & Gas Operator | Mar 2024 |
154 | Offshore Oil & Gas Inc | Houston, TX 77063 | Oil & Gas Operator | Sep 1994 |
155 | Offshore Shelf LLC | | Oil & Gas Operator | Dec 2007 |
156 | Ofs-Tulsa Corporation | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 1997 |
157 | Oft Inc. | Houston, TX 77079 | Oil & Gas Operator | Mar 2024 |
158 | Og Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Mar 2024 |
159 | Oga Operating L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Jan 2000 |
160 | Ogden Oil Co., Inc. | | Oil Operator | May 1981 |
161 | Ogden Resources Corporation | Bryan, TX 77802 | Oil & Gas Operator | Mar 2024 |
162 | Ogden Resources, LTD. | Bryan, TX 77802 | Oil & Gas Operator | Feb 2009 |
163 | Ogh Oil Company | | Oil Operator | Sep 1995 |
164 | Ogle Petroleum Inc. | | Oil & Gas Operator | Dec 1989 |
165 | Oglesby Oil Company | | Oil & Gas Operator | Nov 2023 |
166 | Oglesby Prod & Expl Co Inc | | Oil & Gas Operator | Nov 1987 |
167 | Oglesby, Marshall | | Oil Operator | May 1990 |
168 | Ogog Operating, LLC | Dallas, TX 75367 | Oil & Gas Operator | Mar 2024 |
169 | Ogris Operating LLC | | Gas Operator | Jan 2024 |
170 | Ogs Operating Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2008 |
171 | Ogx Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Mar 2024 |
172 | Ogx Resources LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2011 |
173 | Ohio Energy Assets, Inc. | Laurelville, OH 43135 | Oil & Gas Operator | Dec 2014 |
174 | Ohio Energy Operators LLC | Colorado Spring, CO 80908 | Oil Operator | Dec 2018 |
175 | Ohio Kentucky Oil Corporation | Lexington, KY 40503 | Oil & Gas Operator | Dec 2020 |
176 | Ohio L & M Company Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2008 |
177 | Ohio Natural Fuel Co | Canton, OH 44718 | Oil & Gas Operator | Dec 1985 |
178 | Ohio Oil & Gas | Fowler, OH 44418 | Oil & Gas Operator | Dec 1988 |
179 | Ohio Production Corp | Westerville, OH 43081 | Oil & Gas Operator | Dec 2001 |
180 | Ohio Production* | Newark, OH 43055 | Oil & Gas Operator | Dec 1987 |
181 | Ohio Valley Energy Systems Cor | Austintown, OH 44515 | Oil & Gas Operator | Dec 2022 |
182 | Ohio Valley Energy, Inc | Livermore, KY 42352 | Oil Operator | Dec 2022 |
183 | Ohlhausen Oil Company | Abilene, TX 79608 | Oil & Gas Operator | Mar 2024 |
184 | Oi Auburn, Inc. | Tulsa, OK 74135 | Gas Operator | Dec 2022 |
185 | Oil & Gas Acquisition Group Inc | Austin, TX 78716 | Oil & Gas Operator | May 2003 |
186 | Oil & Gas Development Company | | Oil & Gas Operator | May 1991 |
187 | Oil & Gas Exploration Inc | Cleveland, OK 74020 | Oil & Gas Operator | Aug 2013 |
188 | Oil & Gas MGMT Inc | Mount Pleasant, PA 15666-3304 | Oil & Gas Operator | Dec 2021 |
189 | Oil & Gas Operations | Midland, TX 79706 | Oil & Gas Operator | Mar 2024 |
190 | Oil & Gas Producers, Inc. | Topeka, KS 66604 | Oil Operator | Jun 2004 |
191 | Oil & Gas Properties | Midland, TX 79704 | Oil & Gas Operator | Mar 2024 |
192 | Oil & Gas Property MGMT., Inc. | Dallas, TX 75201 | Oil & Gas Operator | Jul 1996 |
193 | Oil & Gas Servic | | Oil Operator | Jun 1983 |
194 | Oil & Gas Solutions LTD | Wooster, OH 44691 | Oil & Gas Operator | Dec 2007 |
195 | Oil & Gas SVC Inc | Reelsville, IN 46171-9686 | Gas Operator | Dec 1991 |
196 | Oil & Realty Devlop Inc | Columbus, OH 43212 | Oil Operator | Dec 1986 |
197 | Oil And Gas Futures, Inc. | | Oil & Gas Operator | May 1977 |
198 | Oil Center Operating Inc | Fort Worth, TX 76102-5108 | Oil & Gas Operator | Apr 2014 |
199 | Oil Coast Corp. | S Houston, TX 77587 | Oil & Gas Operator | Mar 2024 |
200 | Oil Company Of America, Inc. | Hays, KS 67601 | Oil Operator | Dec 2009 |