Physikalisch-Technische Bundesanstalt (PTB)
Cesky Metrologicky Institut (CMI)
Dansk Fundamental Metrologi A/S (DFM)
Central Office of Measures (GUM)
Istituto Nazionale di Ricerca Metrologica (INRIM)
Laboratoire national de métrologie et d’essais (LNE)
VSL B.V. (VSL)
Aalto-korkeakoulusäätiö sr (Aalto)
Centre National de la Recherche Scientifique (CNRS)
Electrosciences Limited (ELECTRO)
GETec Microscopy GmbH (GET)
Politechnika Wrocławska (PWR)
The Provost, Fellows, Foundation Scholars and the other members of Board, of the College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin (TCD)
Technische Universitaet Braunschweig (TUBS)
Universidad Autonoma de Barcelona (UAB)
CONCEPT SCIENTIFIQUE INSTRUMENTS (CSI)
Ecole Centrale de Lyon (ECL)