Quest Co., Ltd. provides IT services and solutions in Japan. It operates through two segments: System Development and Infrastructure Services. The company provides system design, development and maintenance for various business systems; and infrastructure construction to technology services, system operation, monitoring, help desk, and field support. The company was formerly known as Keihin Keisan Center Co., Ltd. and changed its name to Quest Co., Ltd. in April 1988. Quest Co., Ltd. was incorporated in 1965 and is headquartered in Tokyo, Japan.