Toyo Ito | Toyo Tsuchiya | Toyo | Toyo University | Toyo Keizai | Toyo Eiwa University | Tōyō | Sesshū Tōyō |
The BHS was built by Toyo Kanetsu and in 2006 a contract to extend the system from the satellite building to the ERL (Express Rail Link) platform in the Main Terminal Building was awarded to Siemens.