East Japan Railway Company is a Japan-based company mainly engaged in the railway business. It has four business segments. The Transportation segment operates railway routes, including the bullet train lines and the conventional railway lines mainly in the Kanto area and the Tohoku area. The Station Space Utilization segment establishes commercial space in the railway stations and operates restaurants and retail stores. The Shopping and Office segment is engaged in the operation of shopping centers and the leasing of office buildings located in the railway stations and surrounding areas. The Others segment is engaged in businesses related to hotels, advertising agency, tourism, wholesale, truck delivery, credit cards, information processing, as well as cleaning and maintenance, among others. As of March 31, 2014, the Company had 125 subsidiaries and 48 associated companies.