Institutionen des gesetzlichen Messwesens
Albanien – General Directorate of Metrology and Calibration of Albania – GDMC
Australien – National Measurement Institute – NMIA
Belgien – Ministry of Economy, Quality and Safety Department, Metrology Division
China – State General Administration for Quality Supervision and Inspection and Quarantine – AQSIQ
Dänemark – Dansk Fundamental Metrologi A/S
Deutschland – Physikalisch-Technische Bundesanstalt – PTB
Finnland – Safety Technology Authority – TUKES
Frankreich – Bureau de la Métrologie, Sous-Direction de la Sécurité Industrielle et de la Métrologie – MINEFE
Großbritannien – National Measurement Office – NMO
Irland – Legal Metrology Service, National Standards Authority of Ireland – NSAI
Italien – Ministero dello Sviluppo Economico, Ufficio D3 – Strumenti di Misura
Japan -National Metrology Institute of Japan – NMIJ AIST
Kanada – Measurement Canada – MC
Kroatien – State Office for Metrology – DZM
Niederlande – Verispect B.V.
Niederlande – NMi Certin
Norwegen – Norwegian Metrology Service – Justervesenet
Polen – Central Office of Measures – GUM
Portugal – Instituto Português da Qualidade – IPQ
Russland – Russian Research Institute for Metrological Service – VNIIMS
Schweden – SWEDAC
Schweiz – Bundesamt für Metrologie – METAS
Slowakei – Slovak Legal Metrology – SLM
Slowenien – Metrology Institute of the Republic of Slovenia – MIRS
Spanien – Centro Español de Metrología – CEM
Tschechische Republik – Czech Metrology Institute – CMI
Ungarn – Hungarian Trade Licensing Office – MKEH
United States – National Institute of Standards and Technology – NIST