OTSUKA CORP. engages in the provision of information technology support services. The company is headquartered in Chiyoda-Ku, Tokyo-To and currently employs 9,680 full-time employees. The company went IPO on 2000-07-14. The firm operates through two business segments. System Integration segment conducts consulting, hardware and software sales, contract software development, equipment installation and network construction. Service & Support segment provides office supply, maintenance services, as well as business support services. The firm is also involved in the car maintenance business and insurance business.