Oil & Gas Companies in California

Company NameCompany LocationCompany TypeMost Recent Production
1C & C Minerals LTDOil & Gas OperatorDec 2019
2C & J OilOil & Gas OperatorNov 2023
3C & M Oil Co. & InvestmentsOil & Gas OperatorNov 2023
4C. C. Killingsworth Opr.Oil OperatorDec 1999
5C. Case CompanyOil & Gas OperatorDec 2023
6C. E. Allen Co. Inc.Oil & Gas OperatorDec 2023
7C. E. BralyOil & Gas OperatorDec 1991
8C. F. SudduthOil & Gas OperatorDec 1988
9Caac 100 LLCOil & Gas OperatorDec 2023
10Caballero Operations LLCOil & Gas OperatorDec 2023
11Cal Continental Capital Inc.Oil OperatorDec 2006
12Caleco LLCOil & Gas OperatorDec 2023
13California E.D.I. Inc.Oil & Gas OperatorJan 2018
14California Hydrocarbons CorporationGas OperatorDec 2023
15California Oil IndependentsOil & Gas OperatorNov 2023
16California Petroleum Group Inc.Oil OperatorNov 2023
17California Resources Elk Hills LLCOil & Gas OperatorDec 2023
18California Resources Long Beach Inc.Oil & Gas OperatorDec 2023
19California Resources Production CorporationOil & Gas OperatorDec 2023
20California Southern Oil Co.Oil OperatorDec 2000
21California/Nevada Developments LLCOil OperatorDec 2001
22Calnrg Operating LLCOil & Gas OperatorDec 2023
23Calresources LLCOil & Gas OperatorDec 1996
24Caltico Oil Corp.Oil OperatorNov 2023
25Campbell Energy Corp.Oil & Gas OperatorMay 1992
26Campo Verde Oil Inc.Oil OperatorDec 2023
27Camtex Industries Inc.Oil OperatorDec 1996
28Capco Resource CorporationOrange,, CA 92869Oil OperatorSep 2007
29Capital Production CompanyOil OperatorDec 1997
30Capitol Oil CorporationOil & Gas OperatorNov 2023
31Carbon California Operating Company LLCOil & Gas OperatorDec 2023
32Carl Weaver PropertiesOil & Gas OperatorDec 1987
33Carneros Energy Inc.Oil & Gas OperatorDec 2004
34Carol Rhodabarger HeitzOil & Gas OperatorDec 1996
35Carson Dominguez Real Est CorpOil & Gas OperatorDec 1996
36Cascade Resources LLCEdmond, OK 73083Oil & Gas OperatorDec 2023
37Case'S Used EquipmentOil & Gas OperatorDec 2023
38Casex CompanyOil & Gas OperatorDec 2007
39Castle MineralsOil & Gas OperatorDec 2018
40Cat Canyon Resources LLCOil & Gas OperatorDec 2023
41Cather Rogers Barnes & CreeOil & Gas OperatorDec 2009
42Cather, Barnes & CreeOil & Gas OperatorDec 2009
43Cather-Herley Oil CompanyOil & Gas OperatorDec 2023
44Cbase CorporationOil & Gas OperatorDec 2023
45Celeron Oil & Gas CompanyOil & Gas OperatorDec 1987
46Cemco-Edison No. 1 (F.R.) PartnershipOil & Gas OperatorDec 2000
47Cen Cal Drilling Inc.Oil & Gas OperatorDec 1994
48Cenex Inc.Oil & Gas OperatorDec 1994
49Central California Oil Co.Fish Camp, CA 93623Oil & Gas OperatorNov 2023
50Central Lease Inc.Oil & Gas OperatorDec 1998
51Central Pacific ResourcesOil OperatorDec 2023
52Central Park EnergyOil & Gas OperatorDec 1991
53Central Resources IncDenver, CO 80203Oil & Gas OperatorNov 2023
54Central Valley Gas Storage LLCGas OperatorDec 2023
55Century Exploration Resources LLCOil & Gas OperatorDec 2015
56Century Production IncOil & Gas OperatorDec 1986
57CFT Oil & Gas LLCOil OperatorDec 2023
58Chaim Nathan & Edie BatoOil & Gas OperatorDec 2023
59Challenger Minerals Inc.Oil & Gas OperatorDec 1991
60Chalmers-Santa Fe LLCOil & Gas OperatorDec 2007
61Chambers & MourenOil & Gas OperatorDec 2023
62Champlin Petroleum Co.Rock Springs, WY 82902Oil & Gas OperatorMar 1991
63Channel Exploration CompanyOil & Gas OperatorFeb 1997
64Chaparral Petroleum Inc.Oil OperatorNov 2023
65Charles W. HinesleyOil & Gas OperatorDec 1991
66Chemassist L.L.C.Oil & Gas OperatorNov 2023
67Chester F. DolleyOil & Gas OperatorDec 1986
68Chevron USA IncMidland, TX 79706Oil & Gas OperatorMar 2024
69Citadel Exploration Inc.Oil OperatorNov 2023
70City Of Hermosa BeachOil & Gas OperatorDec 2005
71City Of Huntington Beach (Fire Dept.)Oil & Gas OperatorDec 2023
72City Of Newport BeachOil & Gas OperatorNov 2023
73City Of Santa Fe SpringsOil OperatorDec 2007
74City Oil Corp. Oper. ForOil & Gas OperatorDec 1989
75Claremont EnergyGas OperatorDec 1993
76Clarence R. Barnett Inc.Oil & Gas OperatorNov 2023
77Clean Energy Systems Placerita Inc.Oil & Gas OperatorNov 2023
78Clearfield Energy Resources & Management Inc.Oil & Gas OperatorDec 1998
79Clint H. WoodingtonOil OperatorDec 1994
80Clofas Case Oil Co.Oil & Gas OperatorNov 2023
81Cmo Inc.Oil OperatorDec 2023
82Coal Oil Inc.Oil & Gas OperatorDec 1997
83Coast Supply Company LTD.Oil & Gas OperatorDec 1991
84Coastal Oil & Gas CorporationHouston, TX 77252Oil & Gas OperatorDec 2009
85Cockriel PetroleumOil & Gas OperatorDec 1993
86Coelho & Case Oil CompanyOil & Gas OperatorDec 1997
87Coffee PetroleumOil & Gas OperatorDec 2023
88Columbine AssociatesOil & Gas OperatorDec 2023
89Commander Oil Company LTD.Oil & Gas OperatorDec 2021
90Compass Global Resources LLCOil & Gas OperatorDec 2015
91Concho PetroleumOil & Gas OperatorDec 1994
92Concordia Resources Inc.Oil & Gas OperatorDec 2023
93Condor Oil Company Inc.Oil & Gas OperatorDec 2000
94Conoco Inc.Houston, TX 77252Oil & Gas OperatorMar 2015
95Cooper & Brain Inc.Oil & Gas OperatorNov 2023
96Core Energy LLCOil & Gas OperatorJan 2024
97Corona Development Co. Inc.Oil OperatorDec 1989
98Costa Loma LTD.Oil & Gas OperatorNov 2023
99Courtland City Lights Assoc.Oil OperatorDec 2005
100Coyote Oil Company. LTD.Oil & Gas OperatorDec 1997