Grupo Aeroportuario del Sureste, S.A.B. de C.V., known as ASUR, is a Mexican airport operator headquartered in Mexico City, Mexico. It operates 9 airports in the southeastern states of Mexico, including that of Cancún. It is the third largest airport services company by passenger traffic in Mexico. It serves approximately 23 million passengers annually. ASUR is listed on the Mexican Stock Exchange and in the NYSE. It is a constituent of the IPC, the main benchmark index of the Mexican Stock Exchange. Wikipedia