The Ninth Tower is comprised of two office towers both of 36 floors. This workspace is surrounded by a range of facilities including food court, restaurants and convenience stores in an adjacent retail podium and the Grand Mercure international hotel. The Ninth Towers are built for all types of businesses with generous floor plates offering an efficient design with 2.8-meter high ceilings. The Regus business centre is situated on the 35th Floor of Tower A. The centre is located at the Ratchada-Rama 9 intersection with accessibility to Rama 9 MRT, airport rail link and expressway. Major enterprise tenants in the building include Diversey Hygiene, Daiichi Jitsugyo and Chubu Electric Power.