40 companies from Turkey has taken place among the world’s biggest contractor companies. Turkey, with its 40 companies, keeps its 2nd rank in the “250 Biggest International Contractor”list of International Construction Sector magazine, Engineering News Record. The market share of the companies has also increased as regards to the previous year. The most significant part in Turkey’s success belongs to the companies as Nurol, Rönesans, Enka, Tav, Çalık, Limak, Kuzu, Doğuş, Tekten, Ant, Kolin, Yenigün, Alarko and Tepe.