List of the Largest Oil/Gas Exploration Companies in California

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
Chevron NYSE : CVX San Ramon, California, United States website	Oil/Gas Exploration	196,913	33	19	14
Unocal Corp. Acquired Chevron 2005-08-10 $17.9B El Segundo, California, United States	Oil/Gas Exploration	8,204	1	1	-
Royale Energy Public El Cajon, California, United States website	Oil/Gas Exploration	2	1	1	-
Petroteq Energy Public Sherman Oaks, California, United States website	Oil/Gas Exploration	2	-	-	-
Atlantic Richfield Company (ARCO) Acquired Andeavor 2012-08-13 $2.5B La Palma, California, United States website	Oil/Gas Exploration	-	2	1	1
Southern Counties Oil Co. - SC Fuels Lubricant and Fleet Fueling Business Acquired West Direct Oil 2018-12-11 California, United States	Oil/Gas Exploration	-	-	-	-
Applied LNG Private Westlake Village, California, United States website	Oil/Gas Exploration	-	-	-	-
Tellurian Biodiesel, Inc. Acquired Renewable Energy Group 2010-07-01 San Francisco, California, United States website	Oil/Gas Exploration	-	-	-	-
Fulcrum BioEnergy, Inc. Acquired Marubeni 2018-09-19 Pleasanton, California, United States website	Oil/Gas Exploration	-	-	-	-
Biofuels Point Loma Private San Diego, California, United States	Oil/Gas Exploration	-	-	-	-
Chevron Corp. - Central Basin Platform Acquired Sabinal Energy 2017-09-12 San Ramon, California, United States	Oil/Gas Exploration	-	-	-	-
Golden Gate Petroleum Co. - On-Site Mobile Refueling Business Acquired Diesel Direct 2018-12-07 Martinez, California, United States	Oil/Gas Exploration	-	-	-	-
Black Knight Energy PE Backed Kayne Anderson Capital Advisors 2021-08-17 Santa Clarita, California, United States website	Oil/Gas Exploration	-	-	-	-
Pacific Coast Energy Company LP Private Los Angeles, California, United States	Oil/Gas Exploration	-	-	-	-
Enpower Corp. Private San Ramon, California, United States website	Oil/Gas Exploration	-	1	1	-
Union Oil Company of California, Inc. Private San Ramon, California, United States	Oil/Gas Exploration	-	3	-	3

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