Operating in the field of Steel Wire Ropes and Steel Wires production, Köşkerler Çelik Halat ve Mak. San. Tic. A.Ş was established in Kocaeli in 1989. Köşkerler, which has been continuously developing since its establishment, continued to increase the quality of the service it provides to its customers by expanding its product range and capacity with the wire patenting and galvanising facility in 2017. With the steel wire ropes and steel wires produced in the 28.000 m² production facilities located in the IMES OSB ; Köşkerler serves many sectors such as elevator, crane, automotive, cable, spring, fasteners, marine, fishing, construction, agriculture etc.