De Doelen has for many years been the venue for the Betondag ('Concrete Day'). Iv-Consult, Iv-Infra and Iv-Bouw are to be found at this specialist exhibition. Iv-Infra is giving a presentation.
The Staalbouwdag ('Steel Construction Day') is in the diary of the Event Hall in Gorinchem. You will find Iv-Groep at 211 en 212.