Unocal Corporation
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Union Oil Company of California, and its holding company Unocal Corporation, together known as Unocal was a major petroleum explorer and marketer in the late 19th century, through the 20th century, an
Original Union Oil Co. headquarters in Santa Paula, California, currently the Union 76 Petroleum Museum, pictured in 2009
Cracking plant in Orange County, California, 1961
Research facility in Brea, California, circa 1965
Chevron Corporation
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Chevron Corporation is an American multinational energy corporation predominantly specializing in oil and gas. The second-largest direct descendant of Standard Oil, and originally known as the Standar
Unocal Corporation
…Pipeline to run from the Caspian area, through Afghanistan, to the Indian Ocean, at a time after the Taliban siege of Kabul in 1996. On August 10, 2005, Chevron acquired Unocal for US$17.9 billion (equivalent to $27.5 billion in 2025), making it a wholly owned subsidiary. Unocal then ceased operations as an…
Chevron's headquarters complex in Houston, Texas
A Chevron station branded under the Standard name in Paradise, Nevada, pictured in 2009
Chevron gas station design used until 2006
US officials visiting Chevron's Barrow Island facilities