Organo Corp. engages in the manufacture and sale of water purifiers and electrical equipment. The company is headquartered in Koto-Ku, Tokyo-To and currently employs 2,660 full-time employees. The firm operates through two business segments. The Water Treatment Engineering segment is mainly engaged in the manufacture, sale, maintenance and management of filtration equipment, pure water system equipment and other water treatment related equipment. The Functional Product segment is mainly engaged in the manufacture and sale of standard water treatment equipment, water treatment chemicals and food additives. The firm is also engaged in the chemical plant construction business.