Oil & Gas Companies in California

Company NameCompany LocationCompany TypeMost Recent Production
1R & R Entertainment Inc.Oil & Gas OperatorDec 2011
2R&R Resources LLCOil & Gas OperatorAug 2024
3R. J. BellevueOil & Gas OperatorAug 2024
4R. Scott PriceOil & Gas OperatorDec 1994
5R. W. HenryOil & Gas OperatorDec 1999
6R. W. ShullOil & Gas OperatorDec 1986
7Raak-Wilson PropertiesOil & Gas OperatorDec 1999
8Randy J. & Deborah R. AllisonOil & Gas OperatorDec 2003
9Rare Petro Exploration LLCOil & Gas OperatorSep 2024
10Razar ResourcesOil & Gas OperatorDec 2000
11Reabold California LLCOil & Gas OperatorAug 2024
12Redbank Oil Co.Oil OperatorAug 2024
13Redbank Oil Co. OperatorOil OperatorAug 2024
14Reef Ridge Energy Company LLCOil & Gas OperatorSep 2024
15Remora Operating Ca LLCOil & Gas OperatorDec 2020
16Renaissance Petroleum LLCOil & Gas OperatorAug 2024
17Res-Tech Inc.Oil & Gas OperatorSep 2024
18Reserve Petroleum California Inc.Oil & Gas OperatorAug 2024
19Resource EngineeringGas OperatorAug 2024
20Richard P. KelterOil & Gas OperatorDec 1996
21Richard Young & AssociatesOil & Gas OperatorDec 2004
22Rincon Island Limited PartnershipOil & Gas OperatorNov 2022
23Rincon Oil Co.Oil & Gas OperatorDec 1990
24Rio Bravo PosoOil & Gas OperatorDec 2009
25RMR Energy ResourcesOil OperatorAug 2024
26RMS Monte Christo, LLCSnowmass VLG., CO 81615Oil & Gas OperatorMar 2023
27Road Oil Sales Inc.Tyler, TX 75711Oil OperatorDec 1984
28Robert A. CohanOil & Gas OperatorJan 2018
29Robert D. VIgueOil OperatorDec 2000
30Robert E. & Ruby C. Beasley TrusteesOil & Gas OperatorDec 1990
31Robert SumpfGas OperatorDec 1990
32Robert W. Berry Inc.Gas OperatorDec 1988
33Robert W. Lee InvestmentsOil & Gas OperatorDec 1998
34Rohrig Petroleum Co.Oil & Gas OperatorDec 1998
35Romara Energy Inc.Oil & Gas OperatorDec 2017
36Rose Katherine StoneOil & Gas OperatorOct 2024
37Rosemain 031 LLCOil & Gas OperatorAug 2024
38Rosetta Resources Operating LPSan Antonio, TX 78216Oil & Gas OperatorNov 2024
39Rothschild Oil Co.Oil OperatorDec 1982
40Rountree/Wright Enterprises LLCOil OperatorSep 2024
41Roya Resources LLCOil & Gas OperatorMar 2022
42Royale Energy IncSan Diego, CA 92108-4518Oil & Gas OperatorSep 2024