CMI, Cesky Metrologicky Institut, Czech Republic
INRIM, Istituto Nazionale di Ricerca Metrologica, Italy
Metrosert, AS Metrosert, Estonia
MIKES, Mittatekniikan Keskus, Finland
NPL, NPL Management Limited, United Kingdom
PTB, Physikalisch-Technische Bundesanstalt, Germany
USMF, The University System of Maryland Foundation, Inc., United States
CEA, Julien Claudon, Commissariat à l'énergie atomique et aux énergies alternatives, France
DTU, Niels Gregersen, Danmarks Tekniske Universitet, Denmark
FAU, Stephan Götzinger, Friedrich-Alexander-Universität Erlangen - Nürnberg, Germany
UdS, Christoph Becher, Universitaet des Saarlandes, Germany
DTU, Jesper Mørk, Danmarks Tekniske Universitet, Denmark
AIT, Austrian Institute of Technology GmbH, Wien, Austria
ETSI, European Telecommunications Standards Institute, Sophia Antipolis, France
IDQ, ID Quantique SA, Carouge, Switzerland
KRISS, Korea Research Institute of Standards and Science, Republic of Korea
MPD, Micro Photon Devices S.r.l., Bolzano, Italy
Toshiba, Toshiba Research Europe Limited, Cambridge, UK
TUB, Technische Universität Berlin, Institut für Festkörperphysik, Berlin, Germany