Grupo Aeroportuario del Sureste SAB de CV and its subsidiaries hold concessions to operate, maintain, and develop airports in the southeast region of Mexico. As an operator of airports, it charges airlines, passengers, and other users feesfor using the airports' facilities. The group also derives rental and other income from commercial activities conducted at its airports, such as the leasing of space to restaurants and retailers. The group's operating segments are Cancun, which generates maximum revenue, Aerostar, Airplan, Merida, Villahermosa, Holding and Services, and Others.