Phu Hoa Tan Water Supply Joint Stock Company (UPCOM: PJS) is a Vietnam-based public utility enterprise primarily engaged in the treatment, distribution, and commercial retail of clean potable water. The company operates as a specialized operating subsidiary of the state-owned Saigon Water Corporation (SAWACO), supplying municipal water services to over 90,000 residential, commercial, and industrial connections across District 10, District 11, and Phu Trung Ward within Tan Phu District in Ho Chi Minh City, Vietnam. The company's core products and service offerings comprise the transmission, distribution, and retail supply of treated tap water; design, construction, installation, maintenance, and upgrade of water supply piping networks and customer connection systems; civil road reinstatement and surface restoration related to utility excavations; installation, calibration, maintenance, relocation, and replacement of commercial and domestic water meters; technical consultancy, project design, and supervisory services for civil and industrial water supply and drainage works; trading and wholesale supply of specialized water utility equipment, pipeline materials, valves, and metering accessories; and the bottling and distribution of purified drinking water. In recent developments, the company has accelerated network modernization and digital utility initiatives through the commissioning of the Phu Hoa Tan Water Network Operations Center (PWNOC) for centralized real-time distribution control and SCADA monitoring; expanded the integration of Geographic Information System (GIS) pipeline management and District Metered Area (DMA) zoning to systematically reduce non-revenue water losses; deployed advanced smart remote-reading meters; modernized customer management through digital billing, automated meter logging, and online customer service via its proprietary mobile application and digital messaging integrations; and sustained steady shareholder returns through consistent annual cash dividend distributions. Phu Hoa Tan Water Supply Joint Stock Company was originally established in 1991, converted into a joint stock company in 2007, and is headquartered in Ho Chi Minh City, Vietnam.