Manila Water Company, Inc., together with its subsidiaries, provides water treatment, water distribution, sewerage, and sanitation services to residential, semi-business, commercial, and industrial customers in the Philippines and internationally. It also offers integrated used water, pipework, engineering, procurement, and management services; water in Metro Manila; and bulk water in the province of Cebu. The company provides its services to approximately six million people in the East Zone encompassing 23 cities and municipalities, including Makati, Mandaluyong, Pasig, Pateros, San Juan, Taguig, Marikina, Quezon City, and Manila, as well as Rizal towns comprising Angono, Antipolo, Baras, Binangonan, Cainta, Cardona, Jala-Jala, Morong, Pililia, Rodriguez, San Mateo, Tanay, Taytay, and Teresa. Manila Water Company, Inc. was incorporated in 1997 and is based in Quezon City, the Philippines.