Yenişehir - Osmaneli Section Railway Survey, Project and Engineering Consultancy Service Tender

The contract winner Optim Obermeyer signed a contract with 16 on 2011 December 2.217.850.

Other companies / joint ventures participating in the tender are as follows: 1. Altınok Müşavirlik, 2. Emay, 3. Erka-As - Eser Proje, 4. Temelsu Mühendislik, 5. Temat - Su-Yapı - KMG