Sui Southern Gas Co. Ltd. engages in the business of transmission and distribution of natural gas. It operates through the Gas Transmission and Distribution; and Meter Manufacturing segments. The Gas Transmission and Distribution segment refers to the transmission and distribution of natural gas and construction contract for laying of pipelines in Sindh and Balochistan. The Meter Manufacturing segment manufactures and sells gas meters. The company was founded on March 30, 1989 and is headquartered in Karachi, Pakistan.