Medical System Network Co., Ltd. operates in the pharmaceutical industry. The company operates through Community Pharmacy Network, Leasing and Facility-related, Meal Catering, and Other Segments. The Community Pharmacy Network segment facilitates purchase and sale of pharmaceuticals between pharmacies, hospitals and clinics, and pharmaceutical wholesalers. It also focuses on the development, sale, and maintenance of computer systems for preparing medical fee statements and related peripherals for pharmacies, as well as sells dispensing equipment, fixtures, and fittings to pharmacies and other customers. In addition, this segment provides receivable securitization support services; manages and operates pharmacies; publishes technical books for pharmacists and other healthcare professionals; manufactures and markets generic pharmaceuticals; and operates pharmaceutical platform. The Leasing and Facility-related segment engages in the developing of locations for pharmacies; provision building leasing services; operating serviced residences for the elderly; and the design and construction supervision of medical facilities. This segment also offers consulting services for physicians. The Meal Catering segment provides meal catering services for hospitals and welfare facilities. The Other Segment focuses on the dispatch of nurses and other personnel. Medical System Network Co., Ltd. was founded in 1999 and is headquartered in Sapporo, Japan.