Donges SteelTec GmbH: Leading expert in steel construction

Donges SteelTec GmbH is counted among the top steel and bridge construction companies in Germany. This subsidiary of Hitachi Power Europe GmbH has a staff of about 350. In close cooperation with architects and planners, Donges designs architecturally appealing and functional as well as economically optimised structures. Our service offering includes designing steel support structures and façades for the construction of power plants, industrial and office buildings as well as sports facilities. In the field of bridge construction, our company is a top expert for all types of bridge structures such as aesthetic cable-stayed bridges, filigreed tied-arch bridges and classic girder bridges.

From planning and structural engineering to construction, from assembly and instal­lation to project management, Donges offers all construction services to every client, tailor-made and from a single source. An expert engineering and design team, a large assembly and installation crew, and state-of-the-art production facilities ensure the highest quality standards as well as on-time and within-budget completion of construction projects. Short construction times even for highly complex structures, few traffic disturbances as well as product sustainability and durability are trademarks of steel constructions by Donges SteelTec.




  1. Address

    Mainzer Straße 55
    D-64293 Darmstadt
    Telefon +49 (0) 6151 889-221
    Telefax +49 (0) 6151 889-219
  2. Year Of Establishment

    1872 als Georg Donges Baukonstruktionen
    2008 als Donges SteelTec GmbH
  3. Business Activity

    multi-storey building construction
    bridge construction
    power plant construction