The BPCL Kochi Refinery, embarked on its journey in 1966 with a capacity of 50,000  barrels per day. Formerly known as Cochin Refineries Limited, the refinery was originally established as a joint venture in collaboration with Phillips Petroleum Corporation, USA. It was later renamed as Kochi Refineries Limited, and today, it is a frontline entity as a unit of the Fortune 500 Oil and Gas Maharatna Bharat Petroleum Corporation Limited with a capacity of 3,10,000 barrels per day.

Kochi Refinery is located at Ambalamugal, near Kochi in Kerala, and is one of the two Refineries of BPCL, presently having a crude oil refining capacity of 15.5  Million Metric Tonnes per Annum (MMTPA). The product portfolio of the 3,10,000 barrels per day refinery today includes petrochemical feedstocks and specialty products in addition to its range of quality fuels.