Active Members:
All professional bodies representing insulation firms in every European country can be active members.
Associate Members:
Firms which are members of these professional bodies are associate members, in so far as their professional bodies are active members.
Corresponding Members:
Insulation firms in countries where no representative professional body exists.
Global informative partners:
Global acting companies producing or supplying material or equipment for the insulation contractors, also global organization supporting insulation market.