TRNC Underwater Water Supply Network
Gaziray Project
Marmaray Project
New Airport – Halkali Subway Line
Gayrettepe 3rd Airport Subway
Mecidiyekoy – Mahmutbey Subway Line
Dudullu – Bostanci Subway
Bandirma – Bursa – Yenisehir – Osmaneli Higher-Speed Rail Project
Nurdagi – Islahiye Road

32.350 km highway between Nurdagi- İslahiye is extension of Gaziantep highway in the region as a divided road. The project involves building of 3 overpass bridges belonging to DDY, 216 m length viaduct, soil works, engineering structures, bridge, BSK (Bituminous Surface Treatment) and traffic safety construction works.
Sabuncubeli Tunnel and Connection Roads

It is a road tunnel located in Sipylus Mountain in Aegean Region as a part of Manisa-İzmir Highway. The project consists of 2 lanes of double tube tunnel ( each in the length of 4km), 1,5 km length of road and 1 crossroad.