Transportadora de Gas del Sur S.A. provides natural gas transportation services in Argentina. The company operates through four segments: Natural Gas Transportation, Production and Commercialization of Liquids, Other Services, and Telecommunications. The Natural Gas Transportation segment transports natural gas through 9.133 kilometers of pipeline system to distribution companies, power plant operators, industries, producers, and traders, as well as natural gas end users. It also provides operation and maintenance services of the natural gas transportation facilities. The Production and Commercialization of Liquids segment produces and commercializes natural gas liquids, such as ethane, natural gasoline, propane, and butane in Argentina and internationally; and provides logistic services related to these products. The Other Services segment offers midstream services, including natural gas treatment, separation, and removal of impurities from the natural gas stream, as well as natural gas compression; and services related to pipeline and compression plant construction, operation and maintenance of pipelines, and compressor plants services, as well as generates steam for electricity production. The Telecommunications segment provides telecommunication services for telecommunication operators and corporate customers. Its telecommunication network includes a microwave’s digital system with synchronous digital hierarchy technology. The company was founded in 1992 and is based in Buenos Aires, Argentina. Transportadora de Gas del Sur S.A. is a subsidiary of Compañía de Inversiones de Energía S.A.