IOCL

Also known as: 

Indian Oil Corporation

IOCL is a majority state-owned oil refining company based in India with a large refining portfolio across India. 

Refineries

India

Barauni - 130 kbpd IOCL (100%)

Bongaigaon - 55 kbpd IOCL (100%)

Cauvery Basin - 20 kbpd Chennai (IOCL)

Digboi - 13 kbpd IOCL (100%)

Gujarat - 275 kbpd IOCL (100%)

Guwahati - 20 kbpd IOCL (100%)

Haldia - 160 kbpd IOCL (100%)

Manali - 220 kbpd Chennai (IOCL)

Mathura - 160 kbpd IOCL (100%)

Panipat - 300 kbpd IOCL (100%)

Paradip - 300 kbpd IOCL (100%)

Company history

Headquarters: 3079/3, Sadiq Nagar, J B Tito Marg, New Delhi - 110 049 India 

IOCL website

Refining history

1901 - Assam Oil Company commissioned Digboi refinery

1962 - Guwahati refinery commissioned

1964 - Commissioned Barauni refinery

1965 - Manali refinery commissioned in JV with Amoco and National Iranian Oil Company

1965 - Koyali refinery (Gujarat) commissioned

1974 - Bongaigaon refinery commissioned by the Ministry of Petroleum

1975 - Haldia refinery commissioned

1981 - IOCL took over Assam Oil

1982 - Mathura refinery commissioned

1993 - Cauvery Basin refinery commissioned

1998 - Panipat refinery commissioned

2001 - IOC assumed control of Ministry refineries

2016 - Paradip refinery commissioned