Reliance Industries Limited engages in the hydrocarbon exploration and production, petroleum refining and marketing, petrochemicals, retail, textile, and digital service businesses worldwide.
Oil and Natural Gas Corporation Limited explores for, develops, and produces crude oil and natural gas in India and internationally.
Indian Oil Corporation Limited, together with its subsidiaries, engages in the refining, pipeline transportation, and marketing of petroleum products in India.
Coal India Limited, together with its subsidiaries, produces and sells coal worldwide.
Bharat Petroleum Corporation Limited refines crude oil and markets petroleum products in India.
Hindustan Petroleum Corporation Limited refines and markets petroleum products in India and internationally.
Petronet LNG Limited engages in the import, regasification, and supply of liquefied natural gas (LNG) in India.
Oil India Limited explores for, develops, and produces crude oil and natural gas in India and internationally.
Mangalore Refinery and Petrochemicals Limited manufactures and sells refined petroleum products in India.
Aegis Logistics Limited, together with its subsidiaries, operates as an oil, gas, and chemical logistics company in the downstream oil and gas sector in India.
The Great Eastern Shipping Company Limited, through its subsidiaries, engages in the shipping and offshore businesses in India and internationally.
Chennai Petroleum Corporation Limited produces and sells petroleum products in India.
Gujarat Mineral Development Corporation Limited engages in mining business in India.
Hindustan Oil Exploration Company Limited engages in the exploration, development, and production of onshore and offshore crude oil and natural gas in India.
Seamec Limited owns and operates multi support vessels for providing support services to offshore oilfields in India and internationally.
Reliance Industrial Infrastructure Limited engages in setting up/operating industrial infrastructure in India.
