- Vyrobni D+D METAL Group A.S.
- Address:Turanka 92 Brno, Czech Republic
- Amfitrid Sro
- Address:Vysehradska 1349/2 Prague,
- Altamark, s r.o.
- Address:Dlouha tr. 1128/44c Havirov 73601 Czech Republic
- Ferroalloy Import
- Address:Doroznaya 26 Odessa Odesska oblast 50200 Czech Republic
- FERRAM Steel A.S.
- Address:Frydecka ul. 740 Ostrava Ostravsky 71904 Czech Republic
- vitkovice
- Address:ruska 101 ostrava Czech Republic
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