OFZ is the diversified manufacturer of ferroalloys in Central Europe with history dating back to 1952. The company produces a wide range of silicon and manganese ferroalloys, cored wires and by-products from the ferroalloys production.
OFZ Novokuznetsk is the manufacturing plant of cored wires for steel industry which was acquired by OFZ, a.s. in early 2016. The main focus is currently placed on the production of CaSi cored wire and welding wires.
DS Martin, a.s. was founded in 1997 as a successor to "Závod Motory ZETOR". In 2015, OFZ, a.s. merged with this company. The plant manufactures and deals with diesel engines, spare parts and cooperations.