Mangalore Refinery and Petrochemicals (MRPL) is a schedule 'A' CPSE and subsidiary of ONGC. MRPL is a state-of-the-art grassroot refinery located in the north of Mangalore city in Dakshin Kannada region. The refinery has a versatile design with high flexibility to process crudes of various API and with high degree of automation.

MRPL was originally set up in 1988 with an initial processing capacity of three million metric tonnes per annum (MTPA). Presently, it has a design capacity to process 15 million MTPA and has two hydrocrackers producing premium diesel (High Cetane). It also has two CCRs producing unleaded petrol of high octane.