Oil and Natural Gas Corporation Ltd. (ONGC) ONGC has a market cap of Rs.3,31,931 crores. One of the leading PSUs of India, primarily focuses on oil exploration and production.
National Thermal Power Corporation Ltd. (NTPC) NTPC has a market cap of Rs.3,04,330 crores. NTPC has various power station spread all across the country.
Coal India Limited Coal India has a market cap of Rs.2,58,434 crores. Primarily engages in coal mining and has 300+ mines, that includes opencast, mixed, and underground mines.
Power Grid Corporation Of India Ltd. Power Grid Corporation Ltd. has a market cap of Rs.2,46,233 crores. It is a power transmission company which mainly focuses on telecom and consulting services.
Indian Oil Corporation Limited IOCL has a market cap of Rs.2,23,398 crores. It operates across the energy sector of India. Also has a strong market influence, and government backing.
Indian Railway Finance Corporation Ltd. (IRFC) IRFC has a market cap of Rs.1,74,007 crores. It is regarded as the financial arm of the Indian railways. The government hold a majority of stake in the company.