Kocaer Celik Sanayi ve Ticaret AS engages in the manufacture of steel products. It offers merchant bars, beams, channels, mining and tunnelling profiles, and special products. It serves the energy, transportation, mining and tunnel, ship building, agriculture, and constructional sectors. The company was founded by Ibrahim Kocaer on December 25, 1984 and is headquartered in Izmir, Turkey.