ENKA’s activities shifted from local projects in the Istanbul region to larger and more diverse projects across Türkiye and beyond.
Key projects within Türkiye in the 1970s, include the construction of the Bosphorus Bridge approach roads, viaducts and such specialized construction projects as the coke furnaces, raw material preparation systems, rolling mill plant and blast furnace in the İskenderun Iron and Steel Works, the largest industrial plant in Türkiye at the time.
Throughout its expansion, ENKA has diversified keeping the flexibility to meet the evolving needs of the market and the expectations of its clients, and at the same time has retained its core business. ENKA Group accordingly concentrated its operations in the three principal fields of contracting, manufacturing and trade.