Transportadora de Gas del Sur SA engages in the production and commercialization of natural gas liquids. It operates through the following segments: Natural Gas Transportation; Production and Commercialization of Liquids; Other Services; and Telecommunications. The Natural Gas Transportation segment includes the firm transportation of natural gas; interruptible transportation and exchange and displacement of natural gas; and the operation service and maintenance of the assets affected to the natural gas transport service. The Production and Commercialization of Liquids segment consists of the production and marketing of liquids on its own account and on behalf of third parties, and other liquid services. The Other Services segment focuses on treatment, and separation of impurities and compression of natural gas, which may include the capture and transport of gas reservoirs, as well as inspection and maintenance services for compressor plants and gas pipelines, and management services for expansion and steam generation works for the electricity production. The Telecommunications segment offers telecommunication services through Telcosur. The company was founded on December 28, 1992 and is headquartered in Buenos Aires, Argentina.