Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
101Oasis Production Co., Inc.Oil & Gas OperatorJun 1988
102Oast, Thomas H.Greenville, NC 27835Oil OperatorNov 1985
103Oates, John Co., Inc.Stinnett, TX 79083Oil & Gas OperatorMar 2024
104Obax Oil And Gas LLCSaint Louis, MO 63131Oil OperatorMar 2024
105Obele Oil CorporationSedona, AZ 86336-5745Oil & Gas OperatorMay 2017
106Obele Operating Company LLCSedona, AZ 86336-5745Oil & Gas OperatorDec 2023
107Oberlander Leslie A JakeCovington, OK 73730Oil OperatorJun 2007
108Obermeyer, C ROil OperatorDec 2022
109Obermiller Clarence TrustCreston, OH 44217Oil & Gas OperatorDec 1987
110Obermiller Paul JCreston, OH 44217Oil & Gas OperatorDec 2014
111Oblaen Resources LLCWallis, TX 77485Oil & Gas OperatorMar 2024
112Occ Operating Co.Oil & Gas OperatorApr 2019
113Occidental Energy Company, Inc.Houston, TX 77282Oil & Gas OperatorJul 2021
114Occidental Energy Marketing, Inc.Houston, TX 77227Gas OperatorSep 2015
115Occidental Energy MKT IncHouston, TX 77001Oil & Gas OperatorJan 2011
116Occidental Of Elk Hills Inc.Oil & Gas OperatorDec 2014
117Occidental Permian LTD.Houston, TX 77046Oil & Gas OperatorMar 2024
118Occidental Petroleum CorporationOil & Gas OperatorDec 2021
119Occidental W TX Overthrust, Inc.Houston, TX 77210Oil & Gas OperatorDec 2021
120Ocean Energy Inc Ndba Devon Louisiana CorpOil & Gas OperatorJul 2001
121Ocean Energy Resources Inc.Houston, TX 77002Oil & Gas OperatorNov 2023
122Ocean Energy, Inc.Houston, TX 77002Oil & Gas OperatorAug 2003
123Ocfiw Oil Company, Inc.Hartington, NE 68739Oil & Gas OperatorDec 2009
124Ochiltree Oil CompanyEdmond, OK 73034Oil & Gas OperatorApr 2020
125Octagon Resources CorporationOil OperatorMar 2005
126Octagon Resources LLCNorman, OK 73071-1295Oil & Gas OperatorMay 2015
127Octane Energy Operating, LLCMidland, TX 79701Oil & Gas OperatorMar 2024
128Odebralski, Michael & ConnieFredonia, NY 14063Gas OperatorDec 2022
129Odegard Energy, Inc.Houston, TX 77024Oil & Gas OperatorJul 2020
130Odegard Resources/Omni ExpColumbus, OH 43207Oil & Gas OperatorSep 1986
131Odell LarryOologah, OK 74053Oil OperatorApr 2011
132Oden, Robin H., Inc.Midland, TX 79702Oil & Gas OperatorApr 1994
133Odessa Exploration, Inc.Midland, TX 79702Oil & Gas OperatorMar 2024
134Odessa Oil Investment Co., Inc.Odessa, TX 79762Oil & Gas OperatorNov 2016
135Odom, ClaudeOil OperatorJul 1983
136Odom, R. H.Snyder, TX 79550Oil & Gas OperatorJun 1996
137Odom, Ralph R.Oil & Gas OperatorAug 1993
138Odum Oil & Gas Co.Harper, TX 78631Oil & Gas OperatorMar 2024
139Odum Ronald LOil OperatorDec 2023
140Ody Oil Corp.Oil & Gas OperatorOct 1994
141Odyssey Operating CompanyShreveport, LA 71106Oil & Gas OperatorSep 2020
142Odyssey Petroleum CompanyHouston, TX 77010Oil & Gas OperatorApr 1995
143Odyssey Petroleum Corp.Oil & Gas OperatorJun 2011
144Oe Squared Operating, LLCHouston, TX 77098Oil & Gas OperatorMar 2024
145Oedekoven Amerifields Resources LLCSugar Land, TX 77478Oil OperatorDec 2023
146Oedekoven Water & Hot OilRecluse, WY 82725Oil & Gas OperatorFeb 2024
147Oeth DRLG CoOil OperatorDec 2018
148Oex-1 LLCTulsa, OK 74105-5153Oil & Gas OperatorDec 2023
149Oexco, Inc.Tulsa, OK 74136Oil & Gas OperatorMar 2015
150Off Broadway Mineral Rights LLCOil & Gas OperatorNov 2023
151Offield Lease Operations LLCLone Grove, OK 73443-1043Oil & Gas OperatorMay 2023
152Offset Oil & GasBig Spring, TX 79720Oil & Gas OperatorAug 2003
153Offshore Group, Inc. TheHouston, TX 77024Oil & Gas OperatorMar 2024
154Offshore Oil & Gas IncHouston, TX 77063Oil & Gas OperatorSep 1994
155Offshore Shelf LLCOil & Gas OperatorDec 2007
156Ofs-Tulsa CorporationFort Worth, TX 76102Oil & Gas OperatorFeb 1997
157Oft Inc.Houston, TX 77079Oil & Gas OperatorMar 2024
158Og Co., Inc.Houston, TX 77057Oil & Gas OperatorMar 2024
159Oga Operating L.L.C.Midland, TX 79702Oil & Gas OperatorJan 2000
160Ogden Oil Co., Inc.Oil OperatorMay 1981
161Ogden Resources CorporationBryan, TX 77802Oil & Gas OperatorMar 2024
162Ogden Resources, LTD.Bryan, TX 77802Oil & Gas OperatorFeb 2009
163Ogh Oil CompanyOil OperatorSep 1995
164Ogle Petroleum Inc.Oil & Gas OperatorDec 1989
165Oglesby Oil CompanyOil & Gas OperatorNov 2023
166Oglesby Prod & Expl Co IncOil & Gas OperatorNov 1987
167Oglesby, MarshallOil OperatorMay 1990
168Ogog Operating, LLCDallas, TX 75367Oil & Gas OperatorMar 2024
169Ogris Operating LLCGas OperatorJan 2024
170Ogs Operating Company, Inc.Midland, TX 79701Oil & Gas OperatorSep 2008
171Ogx Operating, LLCMidland, TX 79702Oil & Gas OperatorMar 2024
172Ogx Resources LLCMidland, TX 79702Oil & Gas OperatorOct 2011
173Ohio Energy Assets, Inc.Laurelville, OH 43135Oil & Gas OperatorDec 2014
174Ohio Energy Operators LLCColorado Spring, CO 80908Oil OperatorDec 2018
175Ohio Kentucky Oil CorporationLexington, KY 40503Oil & Gas OperatorDec 2020
176Ohio L & M Company IncMarietta, OH 45750Oil & Gas OperatorDec 2008
177Ohio Natural Fuel CoCanton, OH 44718Oil & Gas OperatorDec 1985
178Ohio Oil & GasFowler, OH 44418Oil & Gas OperatorDec 1988
179Ohio Production CorpWesterville, OH 43081Oil & Gas OperatorDec 2001
180Ohio Production*Newark, OH 43055Oil & Gas OperatorDec 1987
181Ohio Valley Energy Systems CorAustintown, OH 44515Oil & Gas OperatorDec 2022
182Ohio Valley Energy, IncLivermore, KY 42352Oil OperatorDec 2022
183Ohlhausen Oil CompanyAbilene, TX 79608Oil & Gas OperatorMar 2024
184Oi Auburn, Inc.Tulsa, OK 74135Gas OperatorDec 2022
185Oil & Gas Acquisition Group IncAustin, TX 78716Oil & Gas OperatorMay 2003
186Oil & Gas Development CompanyOil & Gas OperatorMay 1991
187Oil & Gas Exploration IncCleveland, OK 74020Oil & Gas OperatorAug 2013
188Oil & Gas MGMT IncMount Pleasant, PA 15666-3304Oil & Gas OperatorDec 2021
189Oil & Gas OperationsMidland, TX 79706Oil & Gas OperatorMar 2024
190Oil & Gas Producers, Inc.Topeka, KS 66604Oil OperatorJun 2004
191Oil & Gas PropertiesMidland, TX 79704Oil & Gas OperatorMar 2024
192Oil & Gas Property MGMT., Inc.Dallas, TX 75201Oil & Gas OperatorJul 1996
193Oil & Gas ServicOil OperatorJun 1983
194Oil & Gas Solutions LTDWooster, OH 44691Oil & Gas OperatorDec 2007
195Oil & Gas SVC IncReelsville, IN 46171-9686Gas OperatorDec 1991
196Oil & Realty Devlop IncColumbus, OH 43212Oil OperatorDec 1986
197Oil And Gas Futures, Inc.Oil & Gas OperatorMay 1977
198Oil Center Operating IncFort Worth, TX 76102-5108Oil & Gas OperatorApr 2014
199Oil Coast Corp.S Houston, TX 77587Oil & Gas OperatorMar 2024
200Oil Company Of America, Inc.Hays, KS 67601Oil OperatorDec 2009