About Us:

ENR Türkiye (enrturkiye.com)  is developed as a website to list the construction companies which signed large scale construction contracts with the public authorities in Turkey. Our website does not have any direct or indirect relation with US origin ENR.com.

Our Mission:

  • Presenting the data to make it easy to understand the competition between the biggest construction companies of the Turkey, and compering them.
  • Presenting the short information about the companies such as official name and addresses, contact information, representatives, the previous business partners and their winning bids, etc.
  • Presenting the results of large scale contracts at Turkey to inform the construction sector and relevant.
  • Providing an opportunity for subcontractors and suppliers to contact with the construction companies for the right works and the right time.



  • Public Procurement Authority official result bulletin.
  • EKAP (Electronic Public Procurement Platform).
  • Trade Registry Gazette.
  • Official websites of the public authorities
    (General Directorate of Highways (KGM),
    General Directorate of State Hydraulic Works (DSI),
    General Directorate of Turkish State Railways (TCDD), etc….)


Ranking System:

  • Only the official results of the tenders that published at EKAP with tender registration number using for the ranking.
  • Joint venture or consortium shares are not taking into account for contract value calculations.
  • The Ranking system is based on the equal or higher than 100 Million Turkish Lira constructions contracts at a time.
  • The Main List (TOP-300) is based on the contracts signed in last five years including the present year.