The Consortium
Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany
Centro Español de Metrología (CEM), Tres Cantos, Madrid, Spain
Cesky Metrologicky Institut (CMI), Brno, Czech Republic
Istituto Nazionale di Ricerca Metrologica (INRIM), Torino, Italy
National Physical Laboratory (NPL), Teddington, Middlesex, United Kingdom
Research Institutes of Sweden AB (RISE), Borås, Sweden
Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK), Ankara, Turkey
Teknologian tutkimuskeskus (VTT), Espoo, Finland
Cranfield University (CU), Cranfield, Bedfordshire, United Kingdom
Stuttgart University (USTUTT), Stuttgart, Germany
Zavod za gradbeništvo Slovenije (ZAG), Ljubljana, Slovenia
Central Office of Measures (GUM), Warsaw, Poland
Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO), Rio de Janeiro, Brazil