Indian Oil Corp Limited | 531,042 followers on LinkedIn. IndianOil is ranked 116th among the world’s largest corporate in Fortune ‘Global 500’ listing for the year 2024. | As India's flagship national oil company in the downstream petroleum sector, IndianOil has been fuelling the energy demands of India for over five decades. With a 33,000-plus work-force, extensive refining, distribution & marketing infrastructure and advanced R&D facilities, lndianOil plays a significant role in fuelling the socio-economic development of the country.