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OFZ a.s.

OFZ, a.s is a diversified manufacturer of ferroalloys in Central Europe. The history of our company is dated back to the year 1952 when the first ferroalloys were manufactured in Slovakia.


Today, the company manufactures and offers its customers a wide range of ferroalloys, namely high carbon and medium carbon ferromanganese (HC and MC FeMn), ferrosilicomanganese (FeSiMn), ferrosilicon (FeSi) with Si content of 45 %, 65 %, 75 % and ferrosilicocalcium (FeSiCa). In addition to bulk ferroalloys, OFZ, a.s. manufactures cored wires with the fillers of CaSi, C, S, CaFe, CaFeAl, Ti and FeSi.


OFA, a.s. is an Ordinary member of the International Manganese Institute (IMnI).