Premcor (formerly NYSE symbol PCO) was a
Fortune 500
The ''Fortune'' 500 is an annual list compiled and published by ''Fortune'' magazine that ranks 500 of the largest United States corporations by total revenue for their respective fiscal years. The list includes publicly held companies, along ...
oil refinery
An oil refinery or petroleum refinery is an industrial process plant where petroleum (crude oil) is transformed and refined into useful products such as gasoline (petrol), diesel fuel, asphalt base, fuel oils, heating oil, kerosene, lique ...
group based in Greenwich, Connecticut. It operated five refineries, which are located in
Port Arthur, Texas
Port Arthur is a city in Jefferson County within the Beaumont–Port Arthur metropolitan area of the U.S. state of Texas. A small, uninhabited portion extends into Orange County; it is east of Houston. The largest oil refinery in the United Sta ...
;
Memphis, Tennessee
Memphis is a city in the U.S. state of Tennessee. It is the seat of Shelby County in the southwest part of the state; it is situated along the Mississippi River. With a population of 633,104 at the 2020 U.S. census, Memphis is the second-mos ...
;
Lima, Ohio
Lima ( ) is a city in and the county seat of Allen County, Ohio, United States. The municipality is located in northwest Ohio along Interstate 75 in Ohio, Interstate 75 approximately north of Dayton, Ohio, Dayton, southwest of Toledo, Ohio, T ...
;
Hartford, Illinois
Hartford is a village in Madison County, Illinois, United States, on the Mississippi River near the mouth of the Missouri River. The population was 1,429 at the 2010 census. Lewis and Clark spent the winter of 1803-1804 there, near what has been ...
; and
Delaware City, Delaware
Delaware City is a city in New Castle County, Delaware, United States. The population was 1,695 at the 2010 census. It is a small port town on the eastern terminus of the Chesapeake and Delaware Canal and is the location of the Forts Ferry Cros ...
with a combined crude oil volume processing capacity of approximately (July, 2007).
Premcor was acquired by Valero in 2005. Valero would later sell the Lima facility to Husky Energy in July 2007 and close the Delaware City refinery in November 2009.
External links
Valero website
Companies based in Greenwich, Connecticut
Private equity portfolio companies
Companies disestablished in 2005
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