Airports of Thailand Public Co. Ltd. engages in the operation of airport management business, hotel business, ground aviation services, security business, and project on perishable goods business. It operates through the Aeronautical Market and Non-Aeronautical Market segments. The Aeronautical Market segment includes aeronautical activities, consisting of landing and parking charges, passenger service charges, and aircraft service charges, etc. The Non-Aeronautical Market segment involves in the non-aeronautical activities, that is the concession revenues from airport commercial activities. The company was founded on December 17, 1903 and is headquartered in Bangkok, Thailand.