IOCL, also commonly referred as Indian Oil Corporation Limited or IndianOil, is an Indian state-owned oil and gas corporation with its headquarters in New Delhi. It is the largest public corporation in India in terms of revenue.
It is the world's 88th largest corporation in the Fortune 500 list and one of the seven Public Sector Undertakings’ (PSU) which are conferred on with the “Maharatna” status by the Government of India. The main products and offered by IndianOil are petrol, diesel, LPG, auto LPG, aviation fuel and petrochemicals and services being Refining, Marketing, Pipelines, R & D Training. The Government of India currently holds 79% stake in the company and is rated as the Asia – Pacific region’s “Number 1” Petroleum trading company. IndianOil and its subsidiaries account for a 49% stake in the petroleum products market, 31% in refining capacity and 67% downstream sector pipelines capacity and owns and operates 10 of India's 22 refineries with a combined refining capacity of 65.7 million metric tonnes per year.