Private company
Premcor
Premcor (formerly NYSE symbol PCO) was a Fortune 500 oil refinery group based in Greenwich, Connecticut. It operated five refineries, which are located in Port Arthur, Texas; Memphis, Tennessee; Lima, Ohio; Hartford, Illinois; and Delaware City, Delaware with a combined crude oil volume processing capacity of approximately 768,120 barrels per day (122,121 m3/d) (July, 2007).2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
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Premcor (formerly NYSE symbol PCO) was a Fortune 500 oil refinery group based in Greenwich, Connecticut. It operated five refineries, which are located in Port Arthur, Texas; Memphis, Tennessee; Lima, Ohio; Hartford, Illinois; and Delaware City, Delaware with a combined crude oil volume processing capacity of approximately 768,120 barrels per day (122,121 m3/d) (July, 2007).2
Links
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataPremcor on Wikidata
- 2WikipediaPremcor on Wikipedia