BMS Birlesik Metal Sanayi ve Ticaret AS engages the iron and steel business. Its products include hot-dip galvanized, armouring, flat, cold drawn, black annealed, stranded, and patented galvanized wires. The company was founded by Hasan Zontur's Sabah Demir Çelik Ltd. Sti. in 1968 and is headquartered in Istanbul, Turkey.