GAIL
 GAIL (India) Limited is the largest state-owned natural gas processing and distribution company in India It is headquartered in New Delhi. It has following business segments: Natural Gas Liquid Hydrocarbon Liquefied petroleum gas Transmission Petrochemical City Gas Distribution Exploration and Production GAILTEL and Electricity Generation. GAIL has been conferred with the MaharatnaMaharatna status on 1 Feb 2013 by the Government of India.