Sankyo Co., Ltd. engages in the manufacture and sale of pachinko and pachislot machines. It operates through the following segments: Pachinko Machines Business, Pachislot Machines Business, Ball Bearing Supply Systems Business, and Others. The Pachinko Machines Business segment produces and sells pachinko machines, machine gauges and its related parts. The Pachislot Machines Business segment markets pachislot machines and related parts. The Ball Bearing Supply Systems segment sells pachinko and pachislot ball feeders, card system equipment, and parlor-related equipment. The Others segment comprises of mobile content service, real estate, golf club operations, and sells general molding products. The company was established on April 12, 1966 and is headquartered in Tokyo, Japan.