Suido Kiko Kaisha 

Suido Kiko Kaisha, Ltd. operates as a water treatment engineering company in the fields of sewage and industrial wastewater treatment in Japan and internationally. It offers various water treatment devices, such as water generators and purifiers, indicator controllers, automatic valves, and digital residual chlorine measurement devices. The company engages in the design and construction of water treatment, industrial water supply, sewerage and small scale sewage treatment, industrial water and wastewater treatment, rural community water and sewerage, sludge reclamation, and sanitary landfill leachate treatment plants; design, manufacture, and sale of water treatment facility equipment and devices; operation, maintenance, and management of water treatment plants and facilities; and production and sale of industrial and chemical agents. It also provides water quality inspection analysis, as well as worker dispatching services. The company was founded in 1936 and is headquartered in Tokyo, Japan. Suido Kiko Kaisha, Ltd. is a subsidiary of Toray Industries, Inc.