Manila Water Company, Inc. has the exclusive right to provide water and used water services to over six million people in the East Zone of Metro Manila. It is a subsidiary of Enrique Razon's Trident Water Holdings Company, Inc., who acquired stakes from the country's oldest conglomerate, Ayala Corporation, in 2024. Incorporated on January 6, 1997, Manila Water became a publicly listed company on March 18, 2005. It is the east concessionaire of Metropolitan Waterworks and Sewerage System during its privatization on August 1, 1997, with its counterpart Maynilad Water Services, Inc. as the west concessionaire. The 25-year water concession agreement inked with MWSS was expected to terminate in 2022. In 2009, its concession agreement with the MWSS was extended by another 15 years up to 2037. Wikipedia