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All Oil & Gas Companies
Oil & Gas Companies in California
Contra Costa County, CA Oil & Gas Companies
Oil & Gas Companies in Contra Costa County, CA
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Company Name
Company Location
Company Type
Most Recent Production
1
Umc Petroleum Corporation
Houston, TX 77002
Oil & Gas Operator
Mar 2015
2
Union Oil Co Of California
Midland, TX 79706
Oil & Gas Operator
Jan 2022
Production numbers shown above are only for Contra Costa County, CA and for the production period listed.
Top Producing Companies in Contra Costa County, CA
California Resources Production Corporation
Pacific Gas And Electric Company
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