The Sui Southern Gas Company (SSGC) (Formerly Sui Gas Transmission Company Limited) was formed in 1954. The company in its present shape was formed on March 30, 1989, following a series of mergers of three pioneering companies, namely Sui Gas Transmission Company Limited, Karachi Gas Company Limited and Indus Gas Company Limited.
Sui Southern Gas Company is Pakistan's leading integrated gas company. The company is engaged in the business of transmission and distribution of natural gas in southern part of Pakistan. Sui Southern Gas Company transmission system extends from Sui, Balochistan to Karachi, Sindh.
The company also owns and operates the only gas meter manufacturing plant in the country, under an agreement with Schlumberger Industries, France. The Company is listed on the Karachi, Lahore and Islamabad Stock Exchanges.