ThyssenKrupp

Bilstein

Blohm + Voss Industries

Draeger

Eisenwerk Erla

Gerlach Werke

Hoesch

Polysius

Rothe Erde

Uhde

Xervon

ThyssenKrupp AG is a German industrial engineering and steel production multinational conglomerate. It resulted from the 1999 merger of Thyssen AG and Krupp and has its operational headquarters in Duisburg and Essen.