Another Indian state-controlled oil and gas company next to IndianOIl is none other than the Bharat Petroleum Corporation Ltd or commonly known as BPCL.
The Navaratna status Indian State-owned oil and Natural Gas Company is the Hindustan Petroleum Corporation Limited.
An Indian state-owned oil and gas company is the Indian Oil Corporation Limited or popularly known as IndianOil.
The petroleum division of Reliance Industries is the Reliance Petroleum Limited in short RPL.
The part of the TATA group of companies that are directly engaged in the production and exploration of crude oil and natural gas is the TATA Petrodyne.