Memberships

Thanks to membership in the International Water Association, the contacts we have become so global. We mentioned earlier that we like to be present at the biennial conferences (which takes us to various corners of the world). Scientists and fellow engineers tell each other about all the new things they are working on, what they have discovered, etc. Another nice thing: Frank van Dien is also part of the 'IWA Specialist Group on Use of Macrophytes in Water Pollution Control' and for the newsletters he has been doing interviews for years with the leaders of this world.

WaterForce Association WaterForce is the association of, for and by independent professionals (self-employed persons) in the water sector. More than 70 independent water professionals work together in the WaterForce Association. WaterForce has a wide range of in-house expertise. From ecology and maintenance of waterways, to cultural engineering, drinking water production, industrial water treatment, data management, spatial planning, management advice, communication and much more ...

With more than 14,000 members, the Koninklijke Metaalunie (Royal Metal Union) is the largest business organization for small and medium-sized enterprises (SMEs) in metal in the Netherlands. Metaalunie focuses on metal and engineering companies ranging from sole proprietorships to companies with more than 100 employees. Koninklijke Metaalunie guarantees broad expertise, knowledge of the industry and offers a concrete, result-oriented approach.