Aena SME SA is an airport management company. 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.