Concrete works can be used for applications such as bicycle paths, kerbs cast in situ, bumpers, concealed gutters, all kinds of linear elements produced using a sliding formwork machine, etc..

Willemen Infra - the largest Belgian road construction company - came into being on 1 July 2018 as a result of the merger between Aswebo, Aannemingen Van Wellen and the infrastructure department of Kumpen.