Manila Water Company, Inc., together with its subsidiaries, provides water treatment and distribution, sewerage, and sanitation services in the Philippines and internationally. It also offers integrated used water, pipework, engineering, procurement, and management services. 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. It serves residential, commercial, semi-business, and industrial customers. The company was incorporated in 1997 and is based in Quezon City, the Philippines.