Agua y Saneamientos Argentinos
Argentine Water and Sanitation (Spanish: Agua y Saneamientos Argentinos, mostly known for its acronym AySA) is a state-owned company of Argentina dedicated to supplying the public with running water and sewer services. Created in 2006 after the Government of Argentina rescinded the contract with "Aguas Argentinas", a corporate group that had granted concession during the Carlos Menem's administration in the 1990s.
Source: Wikipedia — Agua y Saneamientos Argentinos (CC BY-SA 4.0)