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. The company offers water delivery, wastewater treatment, sewerage, septic sludge disposal, bacteriological water analysis, and other services primarily to the eastern side of Metro Manila. It serves a population of approximately 6 million people in the in the East Zone, encompassing 23 cities and municipalities, including Makati, Mandaluyong, Pasig, Pateros, San Juan, Taguig, Manila, Marikina, Quezon City, and towns of Rizal. The company also provides water delivery and sewerage services outside of the eastern side of Metro Manila; and offers pipeworks and management services. The company was founded in 1997 and is based in Quezon City, the Philippines. Manila Water Company, Inc. is a subsidiary of Ayala Corporation.
MWSS Administration Building 489 Katipunan Road 1105 Quezon City