Premcor (formerly NYSE symbol PCO) was a
Fortune 500
The ''Fortune'' 500 is an annual list compiled and published by ''Fortune (magazine), Fortune'' magazine that ranks 500 of the largest United States Joint-stock company#Closely held corporations and publicly traded corporations, corporations by ...
oil refinery
An oil refinery or petroleum refinery is an industrial processes, industrial process Factory, plant where petroleum (crude oil) is transformed and refining, refined into products such as gasoline (petrol), diesel fuel, Bitumen, asphalt base, ...
group based in Greenwich, Connecticut. It operated five refineries, which are located in
Port Arthur, Texas
Port Arthur is a city in the state of Texas, United States of America, located east of metro Houston. Part of the Beaumont–Port Arthur metropolitan area, the city lies primarily in Jefferson County, with a small extension in Orange County. ...
;
Memphis, Tennessee
Memphis is a city in Shelby County, Tennessee, United States, and its county seat. Situated along the Mississippi River, it had a population of 633,104 at the 2020 United States census, 2020 census, making it the List of municipalities in Tenne ...
;
Lima, Ohio
Lima ( ) is a city in Allen County, Ohio, United States, and its county seat. As of the 2020 United States census, 2020 census, the city had a population of 35,579. It is located in northwest Ohio along Interstate 75 in Ohio, Interstate 75, appr ...
;
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 1,185 at the 2020 census, down from 1,429 in 2010. Lewis and Clark spent the winter of 1803-04 t ...
; and
Delaware City, Delaware
Delaware City is a city in New Castle County, Delaware, United States. The population was 1,885 as of 2020. It is a small port town on the eastern terminus of the Chesapeake and Delaware Canal and is the location of the Forts Ferry Crossing to F ...
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
Husky Energy Inc. was a Canadian company engaged in hydrocarbon exploration, headquartered in Calgary, Alberta, Canada. It operated in Western and Atlantic Canada, the United States and the Asia Pacific region, with upstream and downstream bus ...
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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