Medical System Network Co., Ltd. engages in the pharmaceuticals network business. It operates through the following segments: Medical Supplies Network Business, Dispensing Pharmacy Business, Rent and Facility Business, Lunch Service Business and Other Business. The Medical Supplies Network Business segment develops and sells dispensing pharmacy systems; intermediates receiving orders of pharmaceutical products; and provides credit liquidation support. The Dispensing Pharmacy Business segment manages dispensing pharmacies. The Rent and Facility Business segment engages in the leasing of buildings for pharmacies and clinics; and in the operation of apartments for elders. The Lunch Service Business segment handles lunch meal business contracts for hospitals. The Other Business segment includes clinical trial facility support services. The company was founded by Inao Tajiri and Yasuyuki Okinaka on September 16, 1999 and is headquartered in Sapporo, Japan.