Clients

PROKON Engineering & Consultancy Inc. is the general design, multidiscipline engineering and consultancy arm of the PROKON - EKON Group of Companies.

The State Railways of the Republic of Turkey (Turkish: Türkiye Cumhuriyeti Devlet Demiryolları), abbreviated as TCDD, is a government-owned national railway company responsible with the ownership and maintenance of railway infrastructure in Turkey, as well as the planning and construction of new lines. 

The General Directorate Of Highways (Turkish: Karayolları Genel Müdürlüğü) (KGM) is a state agency in charge of the construction and maintenance of all public roadways outside of cities and towns in Turkey.

General Directorate of the Infrastructural Investment (Turkish: Altyapı Yatırımları Genel Müdürlüğü) is a Turkish governmental establishment responsible in official transportation investments.