Reinhard Kalenda

Budapest Airport Budapest Liszt Ferenc Nemzetközi Repülotér Üzemelteto Zrt. engages in the provision of airport operation and management services. It offers flight and travel information, online parking booking, conference and event center, reservations, transport, private lounges, and premium solutions. The company was founded in 1938 and is headquartered in Budapest, Hungary.

AviAlliance GmbH engages in airport operations and consultancy services for the aviation industry. Its services include technical services, services relating to airport operations, non-aviation, financial services, and services for air traffic management. The firm has holdings in the airports of Athens, Budapest, Düsseldorf, Hamburg and Tirana. The company was founded by Holger Linkweiler in 1997 and is headquartered in Dusseldorf, Germany.