Table

Public Sector Undertakings & Other Organisations

Company Name Short form D.O.E. HQ Business Status
National Thermal Power Corporation NTPC 1975 New Delhi Generation of electricity and allied activities Maharatnas
Oil and Natural Gas Corporation ONGC 1956 Vasant Kunj, New Delhi Largest oil and gas exploration and production company in India Maharatnas
Steel Authority of India United SAIL 1954 New Delhi Steel making Company Maharatnas
Bharat Heavy Electrical Limited BHEL 1964 New Delhi An Engineering and Manufacturing based company Maharatnas
Indian Oil Corporation Limited IOCL 1959 New Delhi Largest Commercial oil Company in India Maharatnas
Hindustan Petroleum Corporation Limited HPCL 1974 Mumbai Operates the largest lubricant refinery in India produce tube base oil Maharatnas
Coal India Limited CIL 1975 Kolkata Largest Coal producting company in the World Maharatnas
Gas Authority of India Limited GAIL 1984 New Delhi Natural gas processing and distribution company in India Maharatnas
Bharat Petroleum Corporation Limited BPCL 1976 Mumbai Operates two large oil and gas refinery in Kochi and Mumbai Maharatnas
Power Grid Corporation of India POWER GRID 1989 Gurugram, Haryana Transmission of Power Maharatnas
Bharat Electronics Limited BEL 1954 Bengaluru Aerospace and defence company Navratana
Container Corporation of India CONCOR 1988 Mumbai Cargo Carrier, Terminal operator, warehouse operator Navratana
Hindustan Aeronautics Limited HAL 1940 Bengaluru Manufacture aircraft engines spare parts and other materials Navratana
National Aluminium Company NALCO 1981 Bhubaneswar Operation in mining, metal and power Navratana
Oil India Limited OIL 1959 Duliajan, Assam Exploration, developments production of crude oil and natural gas Navratana
Airport Authority of India AAI 1995 New Delhi Creating upgrading maintening and managing civil aviation infrastructure Miniratna-I
Bharat Dynamics Limited BDL 1970 Hyderabad, Telangana Manufacturing base for guided weapns system Miniratna-I
Garden Reach Ship-builders & engineering GRSE 1884 Kolkata Builds and repair commercial and naval vessels Miniratna-I
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