Airports of Thailand Public Company Limited is a Thailand-based company engaged in airport business and other services related to airport operation. The Company operates two principal business segments, which are airport business and hotel business. The Company develops and manages Suvarnabhumi, Don Mueang, Chiang Mai, Hat Yai, Phuket and Mae Fah Luang Chiang Rai airports. The Company’s operations involve both aeronautical and non-aeronautical activities. The aeronautical activities are associated with air-traffic movements, such as landing, parking, passenger services and aircraft services. The non-aeronautical activities include office and state property rents, services and concession. The Company is also involved in the development and operations of hotels near Suvarnabhumi and Don Mueang airports. The Company’s subsidiary includes Suvarnabhumi Airport Hotel Company Limited.