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 OperatorAug 2024
6Aalpha Energy Inc.Oil & Gas OperatorOct 2024
7Aba Energy CorporationOil & Gas OperatorSep 2024
8ABC Oil Co.Wichita Falls, TX 76301Oil & Gas OperatorOct 2023
9Adco LTD.Oil & Gas OperatorDec 1983
10Aera Energy LLCOil & Gas OperatorSep 2024
11Agey Petroleum Co.Oil & Gas OperatorDec 1998
12Alanmar EnergyGas OperatorJan 2018
13Alexander Oil CompanyLoco, OK 73442-9409Oil & Gas OperatorAug 2024
14Allenco Energy Inc.Oil & Gas OperatorAug 2024
15Allied Energy CorporationOil & Gas OperatorAug 2024
16Allied Western PetroleumOil & Gas OperatorAug 2024
17Almond Crest Oil LLCOil & Gas OperatorSep 2024
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 OperatorAug 2024
22Amrich Energy Inc.Oil & Gas OperatorDec 2022
23Anacapa Oil CorporationGas OperatorAug 2024
24Anadime Energy Services Inc.Oil & Gas OperatorDec 2009
25Ancora-Verde CorporationOil & Gas OperatorDec 2004
26Andrew L. NewkirkOil OperatorAug 2024
27Angus Petroleum CorporationChicago, IL 60660Oil & Gas OperatorDec 2022
28Ann Marie TiersOil OperatorDec 1996
29Anschutz Exploration CorporationDenver, CO 80202Oil & Gas OperatorDec 2024
30Anterra Energy Services Inc.Oil & Gas OperatorAug 2024
31Anterra Services Inc.Oil & Gas OperatorAug 2024
32Apache CorporationHouston, TX 77042Oil & Gas OperatorDec 2024
33Apc Operating PartnershipTulsa, OK 74136Oil & Gas OperatorOct 1996
34Arcady Oil CompanyGas OperatorDec 1989
35Arco Oil & Gas CompanyPlano, TX 75086Oil & Gas OperatorMar 2006
36Arco Western Energy Co.Oil & Gas OperatorDec 1999
37Argo Petroleum CorporationOil & Gas OperatorDec 1989
38Argosy Oil CompanyGas OperatorDec 1999
39Aristata Exploration Co.Gas OperatorDec 2009
40Arkoma Production Company Of CaliforniaOil & Gas OperatorDec 1993
41Armstrong Oil Inc.Oil & Gas OperatorDec 2020
42Armstrong Petroleum CorporationOil & Gas OperatorAug 2024
43Arrowhead Operating Inc.Argyle, TX 76226Oil & Gas OperatorDec 2024
44Arthur J. Arding Jr.Gas OperatorDec 1995
45Arthur McAdamsOil & Gas OperatorAug 2024
46Ashe Road Properties L.P.Oil & Gas OperatorDec 2009
47Asioco Inc.Oil & Gas OperatorJan 2018
48Aspen Exploration CorporationOil & Gas OperatorDec 2007
49Asphalta LLCOil & Gas OperatorSep 2024
50Astarta Springs Sustainable Farms LLCOil & Gas OperatorAug 2024
51Atasca Resources IncHouston, TX 77219Oil & Gas OperatorDec 2024
52Atlantic Oil CompanyOil & Gas OperatorAug 2024
53Atlantic Richfield CompanyPlano, TX 75074Oil & Gas OperatorDec 2016
54Austin Oil CompanyOil & Gas OperatorDec 2000
55Axis Petroleum Co.Oil & Gas OperatorDec 2022