In May 2013 it was part of a joint venture which won the EUR22bn contract to construct a third international airport in Istanbul.[4] It had previously been part of a joint venture which in 2007 won a 20-year concession to operate Sabiha Gökçen International Airport,[5] and in 2007, together with French firm Aéroport de Lyon, won the concession tender for Pristina International Airport.[6] Other projects include the Yusufeli Dam.