Aena SME SA is an airport management company. The company classifies its business under Airports, Real Estate Services, International and SCAIRM. It manages approximately 46 airports and two heliports in Spain and participates directly and indirectly in the management of a further 16 airports in Europe and America, including London's Luton airport.Aena SME SA, through its subsidiary, manages state-owned airports and heliports in Spain. The company operates nearly 40 airports and approximately 2 heliports in Spain, and also owns the participation in the management of nearly 15 airports.