Airports of Thailand Public Company Limited is a Thailand-based company, which is engaged in airport management business, hotel business, ground aviation services, security business and manages the project on perishable goods business. The Company's market segmentation includes aeronautical and non-aeronautical. Its aeronautical market segmentation includes aeronautical activities comprising landing and parking charge, departure passenger service charge and aircraft service charge. Its non-aeronautical market segmentation includes non-aeronautical activities comprising office and state property, services and concessions (consisting of various activities, including advertising and public relations, financial business and office building services). It operates various airports, including 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.