Petron Corporation (PSE: PCOR) is the largest oil refining and marketing company in the Philippines, supplying more than a third of the country's oil requirements. It operates a refinery in Limay, Bataan, with a rated capacity of 180,000 barrels per day (29,000 m3/d). From the refinery, Petron moves their products mainly by sea to 32 depots and terminals in the country.