Chevron Corporation, one of the six "supermajor" publicly-traded oil companies, is the second largest oil and gas company (and third largest company) in the U.S. after ExxonMobil. Chevron owns the Texaco, Gulf, and Caltex brands, as well as Unocal, and Dynergy.
Chevron’s history dates back to the mid-1800s with the Pacific Coast Oil Company, which was beat out and consumed by the Rockefeller family’s Standard Oil Company. Standard Oil was broken up through Supreme Court anti-trust implementation in the early 1900s, from which the California branch evolved into Socal. Socal eventually became Chevron in the mid-1980s.
Chevron has made over $21.7 billion in the first three quarters of 2011, already surpassing annual profit margins for all recent years except a record 2008 profit of $23.9 billion. From 2007-2010, Chevron made over $72 billion in profits.