Danang Airport Services Joint Stock Company (MASCO) is a Vietnam-based provider of airport services. The Company is engaged in the offering of direct support services for airline transportation, such as commercial and technical support, and other related services for airline operators and passengers at Da Nang Airport, Phu Bai Airport and Cam Ranh Airport. It provides catering services and also acts as a ticket agent for airlines. In addition, the Company is involved in the operation of duty free shops and souvenir shops. Other activities include the provision of taxi services and tourism services, as well as automobile and motorcycle driver training services.