Donges Group

We want to be the first choice for customers in our niche of steel structures and envelope products for engineered building solutions! Donges Group is a leading supplier of bridges and steel construction, as well as roof and façade systems in Europe. The company combines strong brands: Donges SteelTec GmbH, Kalzip GmbH, Nordec Oy, FDT Flachdach Technologie GmbH, and Permasteelisa Espana Donges Group SA. Donges Group employs around 1300 people worldwide and has a turnover of approximately 500 million euros. The product portfolio of the Donges Group includes steel bridges for road, rail, and pavement construction, steel building construction, industrial steel construction, and steel frame construction, as well as roof and facade solutions made of aluminum, glass facades, and an extensive range for flat roof systems. The international group owns 12 production facilities and sales offices in more than 30 countries. Donges Group offers planners and architects, developers, the public sector, and craftsmen a comprehensive range of steel construction and building envelopes.