Oil & Gas Companies in California

Company NameCompany LocationCompany TypeMost Recent Production
1A. J. HayesOil & Gas OperatorDec 1998
2A. L. & V. I. GraysonOil OperatorDec 1993
3A. S. Johnston Drilling Corp.Oil & Gas OperatorDec 1987
4A.L.S. Resources Inc.Oil OperatorDec 2004
5Aa Production Services Inc.Gas OperatorNov 2023
6Aalpha Energy Inc.Oil & Gas OperatorDec 2023
7Aba Energy CorporationOil & Gas OperatorDec 2023
8ABC Oil Co.Wichita Falls, TX 76307-1469Oil & Gas OperatorOct 2023
9Adco LTD.Oil & Gas OperatorDec 1983
10Aera Energy LLCOil & Gas OperatorDec 2023
11Agey Petroleum Co.Oil & Gas OperatorDec 1998
12Alanmar EnergyGas OperatorJan 2018
13Alexander Oil Co.Loco, OK 73442-9409Oil & Gas OperatorDec 2023
14Allenco Energy Inc.Oil & Gas OperatorNov 2023
15Allied Energy CorporationOil & Gas OperatorNov 2023
16Allied Western PetroleumOil & Gas OperatorNov 2023
17Almond Crest Oil LLCOil & Gas OperatorNov 2023
18Amerada Hess Corp. Unit OperatorOil & Gas OperatorDec 1986
19Amerada Hess CorporationHouston, TX 77252Oil & Gas OperatorAug 2013
20American Barter Petroleum Inc.Oil & Gas OperatorJun 1993
21Ample Resources Inc.Oil & Gas OperatorNov 2023
22Amrich Energy Inc.Oil & Gas OperatorDec 2022
23Anacapa Oil CorporationGas OperatorNov 2023
24Anadime Energy Services Inc.Oil & Gas OperatorDec 2009
25Ancora-Verde CorporationOil & Gas OperatorDec 2004
26Andrew L. NewkirkOil OperatorNov 2023
27Angus Petroleum CorporationChicago, IL 60660Oil & Gas OperatorDec 2022
28Ann BrindleOil OperatorDec 2023
29Ann Marie TiersOil OperatorDec 1996
30Anschutz Exploration CorporationDenver, CO 80202Oil & Gas OperatorMar 2024
31Anterra Energy Services Inc.Oil & Gas OperatorNov 2023
32Anterra Services Inc.Oil & Gas OperatorNov 2023
33Apache CorporationHouston, TX 77056Oil & Gas OperatorMar 2024
34Apc Operating PartnershipTulsa, OK 74136Oil & Gas OperatorOct 1996
35Arcady Oil CompanyGas OperatorDec 1989
36Arco Oil & Gas CompanyPlano, TX 75086Oil & Gas OperatorMar 2006
37Arco Western Energy Co.Oil & Gas OperatorDec 1999
38Argo Petroleum CorporationOil & Gas OperatorDec 1989
39Argosy Oil CompanyGas OperatorDec 1999
40Aristata Exploration Co.Gas OperatorDec 2009
41Arkoma Production Company Of CaliforniaOil & Gas OperatorDec 1993
42Armstrong Oil Inc.Oil & Gas OperatorDec 2020
43Armstrong Petroleum CorporationOil & Gas OperatorDec 2023
44Arrowhead Operating Inc.Argyle, TX 76226Oil & Gas OperatorMar 2024
45Arthur J. Arding Jr.Gas OperatorDec 1995
46Arthur McAdamsOil & Gas OperatorNov 2023
47Ashe Road Properties L.P.Oil & Gas OperatorDec 2009
48Asioco Inc.Oil & Gas OperatorJan 2018
49Aspen Exploration CorporationOil & Gas OperatorDec 2007
50Asphalta LLCOil & Gas OperatorNov 2023
51Astarta Alexander Oil Co. LLCOil & Gas OperatorNov 2023
52Atasca Resources IncHouston, TX 77219Oil & Gas OperatorMar 2024
53Atlantic Oil CompanyOil & Gas OperatorNov 2023
54Atlantic Richfield CompanyPlano, TX 75094-1744Oil & Gas OperatorDec 2016
55Austin Oil CompanyOil & Gas OperatorDec 2000
56Axis Petroleum Co.Oil & Gas OperatorNov 2023