Indian Oil Corporation Limited (IOCL) is India's largest oil and gas company. It was formed in 1964 by combining Indian Refineries and the Indian Oil Company. IOCL owns and operates 10 of India's 22 refineries with a total refining capacity of 65.7 million metric tons per year. Its vision is to be a major diversified, trans-national energy company playing a national role in oil security and distribution. IOCL produces a variety of fuels including gasoline, diesel, natural gas, and lubricants. It has also established several joint ventures both within India and internationally. IOCL is ranked among the top 100 largest global corporations and top energy companies.