The company is a leading supplier of housing and building materials in Japan. Through half a dozen subsidiaries, it provides such products as doors, housing sashes, storm shutters, ceramic siding, bathroom units and tile, and insulated panels, as well as security systems. It also supplies storefronts for commercial buildings, as well as skylights, steel doors, and customized store facades and shutters. JS Group works with distributors and has sales offices throughout Japan. Other operations include a real estate brokerage franchise, a chain of do-it-yourself stores, and home services including inspections and warranties.