Inversiones Aguas Metropolitanas S.A., through its subsidiaries, engages in the sanitation business in Chile. It operates through Water and Non-Water segments. The Water Utility segment produces and distributes potable water; and collects and treats sewage water. The Non-Water segment provides outsourcing services in the operations of industrial waste and excess organic load treatment plants; and engineering services, as well as sells products, including pipes, valves, taps, and other related items. The company is also involved in the physical, chemical, and biological analysis of water, air, and solids; and the conversion of biogas to biomethane. It provides sanitation services to residential, commercial, and industrial customers. The company was incorporated in 1999 and is based in Las Condes, Chile. Inversiones Aguas Metropolitanas S.A. is a subsidiary of Suez Inversiones Aguas del Gran Santiago Ltda.