The paid up equity capital of the company, as on 31st March, 2013 was Rs. 2,428 crore. The Government of India holds 78.92 percent of the paid up capital in IOCL.
The IOCL is a "Maharatna" Public Sector Undertaking under the administrative control of the Ministry of Petroleum & Natural Gas. It is the highest ranked Indian corporate in the prestigious Fortune `Global 500` listing with a ranking of 83 for the year 2012. IOCL is primarily engaged in refining, transportation and marketing of petroleum products and petrochemicals with an installed refining capacity of 54.2 million metric tonnes. It has a pipeline network over 11,000 kilometers and marketing infrastructure of over 39,000 customer touch points. IOCL is also now venturing into exploration and production of crude oil and distribution of natural gas.