Aena S.M.E., S.A., together with its subsidiaries, engages in the operation, maintenance, management, and administration of airport infrastructures and heliports in Spain, Brazil, the United Kingdom, Mexico, and Colombia. The company operates through Airports, Real Estate Services, International, and SCAIRM segments. It also manages commercial spaces in airport terminals and a network of parking lots; and leases areas in airport terminals for duty-free shops, specialty shops, food and beverage establishments, commercial operations, and advertising, as well as financial services, luggage wrapping machines, other vending machines, and regulated services. In addition, the company leases office buildings, warehouses, hangars, and cargo storage facilities to airlines, air cargo operators, handling agents, and other airport service providers.