Oil and Gas Development Company Limited commonly known as OGDCL is a Pakistani multinational oil and gas company. It has a primary listing on the Pakistan Stock Exchange, and secondary listing on the London Stock Exchange. Established in 1961 by the Government of Pakistan, it was turned into a public listed company on 23 October 1997. Today it is involved in exploring, drilling, refining and selling oil and gas in Pakistan. It is the market leader in terms of reserves, production and acreage. It is based on Jinnah Avenue, Blue Area in Islamabad, with the Government of Pakistan holding 74% stake in the company. Rest are held by private investors. In 2013, it has revenue of Rs. 223.365 billion and profit before tax soaring at Rs. 90.777 billion.