OVERVIEW
Formed by merging Marathon's former Texas City refinery with the BP-acquired Galveston Bay site in 2018; the second-largest refinery in the US.
Official website ↗SPECIFICATIONS
CountryUnited States
RegionTexas City, Texas
OperatorMarathon Petroleum
Refining capacity631,000 b/d
Fields not shown are left blank because no verified public source was available — we do not fill them with estimates.
NEWS & HISTORY
Marathon Petroleum — Galveston Bay Refinery (official)
VERIFICATION
Source: Marathon Petroleum — Galveston Bay Refinery (official)
Last verified: 2026-08-07
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