Petron Corporation 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 its products mainly by sea to 32 depots and terminals throughout the country.

Limay, officially the Municipality of Limay, is a first-class municipality in the province of Bataan, Philippines. According to the 2020 census, it has a population of 78,272 people.