+49 (0) 421 9600-10

Unterweser Stahl- und Maschinenbau GmbH

The company Unterweser Stahl- und Maschinenbau GmbH is a medium-sized company which has been designing, building and installing all kinds of steel products for many years. As experts for heavy steel construction we build cranes as well as diverse components for shipbuilding, yacht building and for offshore installations. USM GmbH is part of the Heinrich Rönner Group. 

Facts and figures:

  • founding year: 1982 and belonging to Rönner Group
  • headquarters: Bremerhaven
  • employees: 61