1911: Chevron was known as Standard Oil Company California after the antitrust breakup of John D. Rockefeller's Standard Oil Company.
1926: Standard Oil Company of California became known as SoCal.
1948: SoCal discovered the largest oil field on earth in Saudi Arabia, leading to the formation of the company's

subsidiary, California-Arabian Standard Oil Company, or ARAMCO. Their name changed to Saudi Aramco (Saudi Arabian Oil Company) in 1988 when it was bought out by the Saudis.
1984: SoCal merged with Gulf Oil and changed its name to Chevron Corporation.
1996: NGC and Chevron merged their natural gas and

natural gas liquids businesses, creating the largest wholesaler of these products of its kind.
2000: Chevron announced it was acquiring Texaco on October 15 to create the second largest oil company in the U.S. at the time.
2005: Chevron became the largest producer of geothermal energy worldwide when it purchased Unocal Corporation.
2010: In July Chevron stopped operations in the Mid Atlantic United States. In November of the same year, the company announced it was acquiring Atlas Energy Inc.
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