Austria (ÖGUS)
 Belgium (BEST)
 France (ASTE)
 Finland (KOTEL)
 Italy (AIVELA)
 Sweden (SEES)
 Switzerland (SSEE)
 The Netherlands (PLOT)
 United Kingdom (SOE)

Observer der CEEES kommen aus:
Czech Republic (Katarina Kreislova, SVUOM)
Portugal (Antonio Brio, University of Lisboa)
Danmark (Suzanne Otto, DELTA)

Weitere Links:

European Weathering Symposium (EWS)
Fraunhofer Institut für Chemische Technologie (ICT)