Proyapı Inc. is proud to be ranked 5th Biggest Technical Consultancy Firm in Turkey and 389th Biggest Service Firm among all other service firms !! (according
16.01.2018
PROYAPI takes place in the 3rd International Roads, Bridges and Tunnels Fair ( Road2Tunnel) between 3-6 October at İstanbul Congress Center.
03.10.2018
Light Appears at the End of the Zenica Tunnel, 04.11.2021
Both sides of the Zenica tunnel, (Ponirak - Vraca section), which is located on the C
