In the production of ready-mixed concrete, the first facility of Selka Ready-Mixed Concrete which is Eskişehir's largest ready-mixed concrete company has been established in Inc. Organized Industrial Zone in 1992 127,000 m² with a covered area of Furniture Site construction Works. Sinden moved to the area of 40,000 m² in Takayama Bus Facility in 1996.

Property with a capacity of 120 m3 concrete batching plant equipped with two fully automatic computer is used. In addition to the region's growing need for ready-mixed concrete ring road 120m3/saat capacity of Eskişehir and Bursa was bought in ready-mixed concrete plant. 8 m3 to 14 m3 mixer fleet of 40 pieces, each with a capacity of 24, 28, 32, 36, 38 and 42 m boom height of 2 to 7 are concrete pump.

The company has TSE quality certificate from it’s first foundation. In 1998 it amounted to ISO 9001:2000 quality standards. Company through the "Concrete Test Lab" with modern equipment are controlled by computer experiments. Compliance with ISO 9001:2000 and TSE are constantly monitored. 60% of the production capacity of ready-mix concrete needs can be met in Eskişehir . The Company with subject specialist 5 engineers, 10 administrative staff and 65 technical personnel and structure of each breed, open each application from C12 class to C50 production of ready-mixed concrete can be made up.