IndianOil is India's flagship Maharatna national oil company with business interests straddling the entire hydrocarbon value chain - from refining, pipeline transportation & marketing, to exploration & production of crude oil & gas, petrochemicals, gas marketing, alternative energy sources and globalization of downstream operations. It also has global aspirations, fulfilled to an extent by the formation of subsidiaries in Sri Lanka, Mauritius, the UAE, Sweden, USA, and The Netherlands. It is pursuing diverse business interests with the setting up of over 15 joint ventures with reputed business partners from India and abroad to explore global opportunities. Public sector undertaking IOCL is India's largest commercial enterprise and has established itself as a regular both in the Fortune magazine's Global 500 listing of the world's largest corporations and Forbes magazine's International 500 list of largest companies outside the USA.