The Netherlands
- DIANA FEA
- The Dutch Concrete Society (Betonvereniging)
- The Dutch Steel Society (Bouwen met Staal)
- Stufib (Dutch Association for Structural Concrete)
- Stumico (Dutch Association for Computer Applications in Civil and Building Engineering)
- Stutech (Dutch Association for Concrete Technology)
- YouCon (Dutch Association of Young Engineers)
International
- NAFEMS (National Agency for Finite Element Methods and Standards)
- JCSS (Joint Committee on Structural Safety)
- Fib (Fédération internationale du béton)
- NCF (Nordic Concrete Federation)
- ECCS (European Convention for Constructional Steelwork)
- IABSE (International Association for Bridge and Structural Engineering)
- IABMAS (International Association for Bridge Maintenance and Safety)
- RILEM (Réunion Internationale des Laboratoires et Experts des Matériaux)
- IALCCE (International Association for Life – Cycle Civil Engineering)
- COST (European Cooperation in Science and Technology)