Oil & Gas Companies in California

Company NameCompany LocationCompany TypeMost Recent Production
1P & C Oil CompanyLeona, TX 75850Oil & Gas OperatorApr 2025
2P & M Oil CompanyHays, KS 67601Oil & Gas OperatorMar 2025
3Pace Diversified CorporationOil & Gas OperatorMar 2025
4Pacific Alliance Medical CenterOil OperatorDec 2007
5Pacific Coast Energy Company LPOil & Gas OperatorApr 2025
6Pacific Energy Resources Inc.Oil OperatorMar 2025
7Pacific Energy Resources LTDOil & Gas OperatorSep 2009
8Pacific Gas And Electric CompanyGas OperatorMar 2025
9Pacific Inland Operating CorporationGas OperatorDec 1993
10Pacific Palms Petroleum LLCOil & Gas OperatorMar 2025
11Pacific Petroleum Technology LLCOil & Gas OperatorDec 2018
12Padre Oil Co.Oil & Gas OperatorApr 2025
13Pan American Energy CorporationOil & Gas OperatorDec 1998
14Pan Western Petroleum Co.Oil & Gas OperatorDec 1993
15Pancanadian Petroleum CompanyOil & Gas OperatorOct 1989
16Panoche Vallecitos Oil Co.Oil & Gas OperatorMar 2025
17Paris Valley PetroleumOil OperatorDec 2004
18Parlay Oil CompanyOil OperatorDec 2002
19Patriot Resources LLCOil & Gas OperatorMar 2025
20Paul Graham Drilling & Service Co.Oil & Gas OperatorDec 2011
21Paul M. WoodwardOil OperatorMar 2025
22Peak Operator LLCOil & Gas OperatorMar 2025
23Peninsula Open Space TrustOil & Gas OperatorDec 2008
24Penn Inc.Oil & Gas OperatorDec 2004
25Pennant Petroleum CorporationOil OperatorDec 2002
26Pentarch PetroleumOil OperatorApr 2025
27Peoco LLCGas OperatorApr 2025
28Petaluma Oil & GasOil & Gas OperatorDec 1999
29Petersen Production Company LLCOil & Gas OperatorDec 2019
30Petro Capital Resources LLCOil & Gas OperatorMar 2025
31Petro NovaOil OperatorDec 2000
32Petro Resources, Inc.Fulton, TX 78358Oil & Gas OperatorJun 2025
33Petro-Lewis Corp.Oil & Gas OperatorFeb 1994
34Petro-Lud Inc.Oil & Gas OperatorMar 2025
35Petrogulf CorporationDenver, CO 80202Oil & Gas OperatorJun 2025
36Petrojen Production Company IncBakersfield, CA 93311Oil OperatorApr 2025
37Petrominerals Corp.Oil & Gas OperatorDec 2003
38PetroprizeOil & Gas OperatorApr 2025
39Petropro Energy Partners, L.P.Houston, TX 77024Oil & Gas OperatorJan 2013
40PetrowestOil & Gas OperatorDec 2001
41Philip H. McAlmondOil OperatorDec 2002
42Philip R. McPharlinOil & Gas OperatorDec 1995
43Phillip & Phyllis Pace-TrusteeOil & Gas OperatorDec 2007
44Phillips Petroleum CompanyHouston, TX 77251Oil & Gas OperatorMar 2013
45Pier Oil Company Inc.Oil OperatorMar 2025
46Pine Meadows Ranch IncorporatedOil & Gas OperatorDec 2001
47Pioneer Exploration, LLCHouston, TX 77090Oil & Gas OperatorApr 2025
48Plegel Oil Company Inc.Oil & Gas OperatorApr 2025
49Polaris Production Inc.Oil & Gas OperatorFeb 2021
50Pool California Energy Services Inc.Oil OperatorDec 2009
51Portals Woodward Joint VentureOil OperatorDec 2000
52Porter Sesnon Et AlOil & Gas OperatorDec 1978
53Poso Creek Energy LLCOil & Gas OperatorDec 2009
54Power Run Oil LLCOil & Gas OperatorMar 2025
55Powerdrive Energy Services Company LLCOil & Gas OperatorMar 2025
56Prado Petroleum Co.Oil & Gas OperatorDec 1996
57Pre Resources LLCOil & Gas OperatorMar 2025
58Premier Pumping Unit Services Inc.Oil & Gas OperatorMar 2025
59Preuitt Production ServiceOil OperatorMar 2025
60Princeton Natural Gas LLCGas OperatorMar 2025
61Production Specialties CompanyOil & Gas OperatorDec 2003
62Protho Energy Service LLCOil & Gas OperatorApr 2025
63PS126 Investments LLCOil & Gas OperatorMar 2025
64Pueblo Oil & Gas Inc.Gas OperatorDec 2003
65Pyramid Oil Co.Litchfield PK, AZ 85340Oil & Gas OperatorJan 2018