Oil & Gas Companies in California

Company NameCompany LocationCompany TypeMost Recent Production
801Stream Energy, Inc.Oklahoma City, OK 73102Oil & Gas OperatorOct 2025
802Summit Energy LLCOil & Gas OperatorNov 2025
803Summit Exploration (California) LLCOil & Gas OperatorFeb 2018
804Sumpf-WilliamsGas OperatorDec 1980
805Sun Mountain Oil & GasOil & Gas OperatorDec 2020
806Sunray Petroleum Inc.Oil & Gas OperatorOct 2025
807Sunrise Resources Inc.Gas OperatorDec 1998
808Sunset Exploration Inc.Oil & Gas OperatorOct 2025
809Superior Oil Co.Denver, CO 80217-5444Oil & Gas OperatorFeb 2001
810Superior Well Service Inc.Oil & Gas OperatorSep 2007
811Sycamore Development Partners LLCOil & Gas OperatorNov 2025
812Synergy Oil & Gas LLCOil & Gas OperatorOct 2025
813Synergy ResourcesArtesia, NM 88210Oil & Gas OperatorJan 2015
814T. A. Atkinson Opr.Gas OperatorDec 1997
815T. E. Adams Petroleum Corp.Oil & Gas OperatorOct 2025
816Tamarack Energy IncMidland, TX 79701Oil & Gas OperatorDec 2015
817Tannehill Oil CompanyOil & Gas OperatorDec 1991
818Target DrillingOil & Gas OperatorFeb 2018
819Tatum Petroleum CorpZanesville, OH 43702Oil & Gas OperatorDec 2008
820TB PropertiesOil & Gas OperatorOct 2025
821Team Operating, L.L.C.Pinehurst, TX 77362Oil & Gas OperatorDec 2025
822Ted Koble OperatorOil & Gas OperatorNov 2007
823Tej VenturesOil & Gas OperatorDec 2002
824Temblor Petroleum Co. LLCOil & Gas OperatorOct 2025
825Temescal Resources LLCOil & Gas OperatorNov 2025
826Tenneco Oil CompanyOklahoma City, OK 73125Oil & Gas OperatorOct 2025
827Tenneco West, Inc.Oil & Gas OperatorDec 1983
828Termo Company Of TexasOil & Gas OperatorDec 1986
829Terra Exploration & Production Co. Inc.Oil & Gas OperatorDec 2009
830Tetra Oil CompanyOil & Gas OperatorOct 2025
831Texaco Producing Inc.Rock Springs, WY 82901Oil & Gas OperatorDec 2000
832Texalta Oil And Gas Inc.Gas OperatorDec 1990
833Texas Crude Energy, Inc.Houston, TX 77256Oil & Gas OperatorOct 2012
834Texas Pacific Oil Co.Oil & Gas OperatorDec 1980
835Texcal Energy (GP) LLCDenver, CO 80202Oil & Gas OperatorMar 2016
836Texinia Oil & Gas IncDallas, TX 75214Oil & Gas OperatorNov 2025
837The Arvin CompanyOil OperatorDec 2004
838The Hampton Oil CorporationOil & Gas OperatorAug 2014
839The Harter Family Trust Of 1995Oil OperatorDec 2003
840The Krik CompanyOil OperatorDec 2004
841The Lansdale Co.Oil & Gas OperatorNov 2025
842The Nahabedian Exploration Group LLCOil & Gas OperatorOct 2025
843The Port Of Long BeachOil & Gas OperatorDec 1997
844The Procter And Gamble Co.Gas OperatorDec 1989
845The Termo CompanyLong Beach, CA 90801Oil & Gas OperatorOct 2025
846Thomas C. KingOil & Gas OperatorDec 1995
847Thomas Oil CompanyOil & Gas OperatorDec 2008
848Thomas OilersOil & Gas OperatorOct 2025
849Thomas R. BanksOil OperatorOct 2025
850Thompson Energy Resources LLCOil & Gas OperatorOct 2025
851Thompson Oil Co.Corsicana, TX 75151Oil & Gas OperatorOct 2025
852Thriftway CompanyFarmington, NM 87401Oil & Gas OperatorDec 1996
853Thums Long Beach Co.Oil & Gas OperatorOct 2025
854Thurner Energy CorporationOil & Gas OperatorDec 2001
855Tidelands Oil Production Co.Oil & Gas OperatorNov 2025
856Tiger Oil CompanyDallas, TX 75221Oil & Gas OperatorMay 2007
857Timco Oil Co.Oil & Gas OperatorDec 1987
858Titan Energy, Inc.Austin, TX 78703Oil & Gas OperatorDec 2025
859TJ Ballantyne Living TrustOil & Gas OperatorDec 2019
860TJ Scott Family Investments LLCOil & Gas OperatorNov 2025
861Tonka Energy Inc.Oil & Gas OperatorDec 2004
862Tonner Hills SSP LLCOil & Gas OperatorDec 2012
863Tooby FarmsGas OperatorDec 1989
864Topko N. Wilmington Prtnrship.Oil & Gas OperatorDec 1995
865Torch Operating CompanyHouston, TX 77010Oil & Gas OperatorMar 2015
866Torrance Petroleum Inc.Oil & Gas OperatorDec 2003
867Tosco Enhanced Oil Recovery CorporationOil OperatorDec 1981
868Towne Exploration Company LPOil & Gas OperatorNov 2025
869TPC Operating Inc.Oil & Gas OperatorOct 2025
870Transco Oil & Gas Inc.Gas OperatorDec 1992
871Transpac Petroleum Inc.Oil & Gas OperatorDec 1995
872TRC Cypress Group LLCOil & Gas OperatorOct 2025
873TRC Operating Company Inc.Oil & Gas OperatorNov 2025
874Tri-Valley Oil & Gas Co.Oil & Gas OperatorOct 2025
875Trio Petroleum LLCOil & Gas OperatorOct 2025
876Triton Oil & Gas Corp.Houston, TX 77002Oil & Gas OperatorNov 2014
877TS Leasing Operations Inc.Oil & Gas OperatorNov 2025
878Two Bay PetroleumOil & Gas OperatorDec 2010
879Txo Production Corp.Ganado, TX 77962Oil & Gas OperatorAug 2022
880Umc Petroleum CorporationHouston, TX 77002Oil & Gas OperatorMar 2015
881Underground Energy Inc.Oil & Gas OperatorOct 2025
882Union Development Company IncOil & Gas OperatorDec 1992
883Union Oil Co Of CaliforniaMidland, TX 79706Oil & Gas OperatorJan 2022
884Union Pacific Resources Co.Fort Worth, TX 76101Oil & Gas OperatorJan 2001
885United Energy, Inc.Wichita, KS 67230Oil & Gas OperatorDec 2002
886Vaca Energy LLCOil & Gas OperatorOct 2025
887Valid Energy CompanyOil & Gas OperatorOct 2025
888Valley Energy Expl.Oil & Gas OperatorDec 1984
889Valley Energy Resources Inc.Oil & Gas OperatorDec 2006
890Vaquero Energy IncBakersfield, CA 93309Oil & Gas OperatorMay 2023
891Vaquero SJV LLCOil & Gas OperatorDec 2022
892Vast Star CorporationOil OperatorNov 2025
893Venada NationalOil & Gas OperatorDec 2010
894Venoco LLCOil & Gas OperatorOct 2025
895Venturini Associates Inc.Oil & Gas OperatorDec 1995
896Verjill Oil CompanyOil & Gas OperatorOct 2025
897Vern Jones Oil & Gas Corp.Sacramento, CA 95825Oil & Gas OperatorOct 2025
898Vernon E. FaulconerOil & Gas OperatorDec 1996
899Vesta Oil And Gas LLCOil & Gas OperatorOct 2025
900Victory Oil Company LLCOil & Gas OperatorDec 2009