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• Trinecke zelezárny as, Trinec

• Primetals Technologies Czech Republic s.r.o

• Innomotics sro, Elektromorory Frenštát plant

• Toyota Motor Manufacturing Czech Republic s.r.o., Kolín

• VÚHŽ as, Dobrá

• Unex as, Olomouc

• KOMA-Industry sro, Ostrava

• Czech Armory, Inc., Uhersky Brod

• Hyundai Motor Manufacturing Czech s.r.o., Nošovice

• Tatra Trucks as, Koprivnice

• Armatury Group as, Dolní Benešov

• Aludyne Czech sro, Ostrava

• Semperflex Optimit sro, Odry

• Strabag as, Ostrava