Keio Corp. engages in the operation of railways and bus lines. It operates through the following segments: Transportation, Merchandise Sales, Real Estate, Leisure and Service, and Others. The Transportation segment provides railway and bus services. The Merchandise Sales segment deals with retail business that includes department stores, book stores, shopping centers, and specialty stores. The Real Estate segment provides property leasing and sales services. The Leisure and Service segment comprises of hotels, travel agencies, advertising agencies, amusement centers, sports, and dining facilities. The Others segment includes building management, vehicle equipment, construction, information and telecommunications, financial agency, and human resource businesses. The company was founded in September 1910 and is headquartered in Tama, Japan.