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 is involved in environmental analysis; treatment of liquid industrial waste; integral engineering services; and the sale of sanitary services, energy projects, and biogas. 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. operates as a subsidiary of Suez Inversiones Aguas del Gran Santiago Limitada.