Ryoyu Systems Co., Ltd. engages in providing information technology (IT) services. The company is headquartered in Minato-Ku, Tokyo-To and currently employs 2,017 full-time employees. is a Japan-based company engaged in provision of information services. The firm's main business can be divided into the design, development, operation and maintenance of information communication systems, the sale of information communication system related equipment. The firm is also engaged in the design, analysis and simulation of industrial products, as well as provision of information processing services using information communication systems.