| ACERMI (France) | MA39-VFA (Austria) |
| BBA (UK) | MPA-Bau (Germany) |
| BBRI-CSTC-WTCB (Belgium) | MPA-NRW (Germany) |
| BVFS (Austria) | MPA-Stuttgart (Germany) |
| CEIS (Spain) | NPL (UK) |
| COBR PIB (Poland) | OFI (Austria) |
| CSI (Czech Republic) | SINTEF(Norway) |
| DTI (Denmark) | SP (Sweden) |
| EMPA (Switzerland) | TZUS (Czech Republic) |
| FIW München (Germany) | VTT (Finland) |
| Istituto Giordano (Italy) |