Willemen Infra came into being on 1 July 2018 as a result of the merger between Aswebo, Aannemingen Van Wellen and the infrastructure department of Kumpen and is a leading road builder and asphalt and concrete manufacturer.

Tram depot Marconi - Brussels
The Marconi tram depot has 22 tracks and offers space for 75 trams in the storage area and a further ten in the maintenance hall. A new building houses the administrative services. During construction, particular attention was paid to the harmonious integration of the building into its green surroundings and the ecological aspect. For example, the depot has a basin that collects rainwater for the sanitary facilities and tram washing, as well as a heat pump, 600 solar panels, smart LED lighting, etc. Marconi has a ‘Very Good’ BREEAM rating.
Â
Since 1998 Franki Construct has been part of Willemen Groep, the largest family construction group in Belgium.
Willemen Construct came into being on 1 July 2018 as a result of the merger between Willemen General Contractor and the construction department of Kumpen.