Airports of Thailand Public Company Limited is a Thailand-based company that is engaged in airport operations and other business related to or affiliated with the airport business. The Company is engaged in airport management business, hotel business, ground aviation services, security business and project on perishable goods business. Its aeronautical activities consist of landing and parking charges, passenger service charges and aircraft service charges (aerobridge), among others. The Company provides commercial services for passengers and/or airport users, such as food and beverages, other retails, bookstores, currency exchange service, tourism businesses, pharmacies, duty free shops, parking lots and car rental services, among others. It operates approximately six airports: Suvarnabhumi Airport, Don Mueang international airport, Chiang Mai international airport, Hat Yai international airport, Phuket international airport and Mae Fah Luang - Chiang Rai international airport.