- The ISBS is a member of ITS Automotive Nord (Intelligent Transport Systems), an association of small and medium-sized companies which integrates scientists and institutes working in the areas of road-, rail- and air-transport of passengers and goods as well as on their respective intermodal aspects.
- Forschungsgesellschaft für Straßen- und Verkehrswesen (FGSV) www.fgsv.de
- European Asphalt Technology Association (EATA) www.eata-group.eu
- International Union of Laboratories and Experts in Construction Materials, Systems and Structures (RILEM) www.rilem.net
- World Road Association (PIARC) www.piarc.org