1. Indian Oil Corporation Limited (IOCL)
IOCL is the biggest Government-owned oil company in India. It is involved in exploring, extracting, refining, and producing petrochemicals, natural gas, and crude oil. It also transports and markets its products.
The company operates 11 out of the 23 refineries in India and also functions overseas in countries like Sri Lanka, Mauritius, and the Middle East through different subsidiary companies.
2. Bharat Petroleum Corporation Limited (BPCL)
Established in 1952, BPCL is also a Government-controlled organisation. It was originally named Rangoon Oil and Exploration Company by the Britishers in 1891 for the exploration of oil in northeast India.
It operates two refineries in India, in Mumbai and Kochi, and has subsidiaries, including Indraprastha Gas Limited (IGL), which distributes gas in New Delhi. Its subsidiary, Petronet LNG, imports and distributes oil across the country.
3. Hindustan Petroleum Corporation Limited (HPCL)
HPCL is a subsidiary of ONGC, or Oil and Natural Gas Corporation, another government-owned entity. HPCL operates refineries in Visakhapatnam and Mumbai. It is also involved in the manufacturing of lubricants, producing nearly 40% of the country’s total lubricant demand. HPCL also owns stakes in Mangalore Refinery and Petrochemicals Limited (MRPL) and is looking to set up a refinery in Barmer, Rajasthan.