Watahan & Co.,Ltd., through its subsidiaries, engages in the retail, construction, and trading businesses in Japan. The company operates a chain of home improvement super centers; manages grocery stores; and manages home improvement centers. It is also involved in online retailing, parked vehicle management, and detached wooden houses franchise activities; the construction design, operation, maintenance, and management activities; manufacturing and construction of steel buildings and bridge frames; and operation of parking lots. In addition, the company imports and sells pharmaceutical and cosmetic materials, industrial-use waxes, and general and health food materials; and manufactures, wholesales, and sells tea leaves and confectionery, as well as snack sells at cafe space. Further, it engages in the rental of goods; provision of technical advisory, architectural and steel frame construction drawing, building maintenance, construction material import and sale services, and elderly welfare services, as well as home care services for seniors and individuals with disabilities. Watahan & Co.,Ltd. was founded in 1598 and is headquartered in Tokyo, Japan.