Elma B.V.
With Elma B.V. of Soesterberg, the Hollestelle Group has entered into a partnership for the automation and control of the Automatic Container Stacking Cranes.

Infra Combinatie Zuid-West ICZ
Together with the Van der Straaten Contracting Company (civil engineering), Istimewa Electro (electrical and control technology) and the Noordhoek Diving Company (underwater technology), the Hollestelle Group has founded a collective under the name: Infra Combination South-West (ICZ). Our common goal is to realise complex infrastructural projects from design up to an including maintenance.