KSK Co., Ltd. engages in the design and development of computer software and application programs. It operates through the following business segments: System Core, Information Technology (IT) Solution, and Network Service. The System Core business segment provides large scale integration design and development, system hardware design, and embedded software development services. The IT Solution business segment offers package software development, application software outsourcing, computer aided design (CAD) system development, web system development, data entry operations, operator dispatch, and care giving and welfare services. The Network Service business segment handles operations and maintenance of communication and computer-related systems; operational management of CAD system; and support center operations. The company was founded on May 23, 1974 and is headquartered in Tokyo, Japan.