Shqipëria – Drejtoria e Përgjithshme e Metrologjisë- DPM
Austri– Bundesamt für Eich- und Vermessungeswesen- BEV
Australia – National Measurement Institute – NMIA
Belgjikë – Ministry of Economy, Quality and Safety Department, Metrology Division
Kina – National Institute of Metrology, P.R. China – NIM
Danimarka – Dansk Fundamental Metrologi A/S – DFM
Gjermani – Physikalisch Technische Bundesanstalt – PTB
Finland – Centre for Metrology and Accreditation – MIKES
France – Laboratoire National de Métrologie et d’Essais – LNE
Mbretëria e Bashkuar – National Physical Laboratory – NPL
Itali – National Institute of Metrological Research – INRIM
Itali – Istituto Nazionale di Metrologia delle Radiazioni Ionizzanti – ENEA-INMRI
Irlande – National Metrology Laboratory – NML
Japoni – National Metrology Institute of Japan – NMIJ
Kanada – National Research Council – NRC
Kroaci – State office for Metrology – DZM
Kroaci– Croatian Metrology Institute – HMI
Maqedoni– Bureau of metrology- BOM
Mali i zi– Zavod za metrologiju
Bosnje– Institut za mjeriteljstvo Bosne i Hercegovine
Serbi– Direkcija za Mere i dragocenje metale- dmdm
Holandë – Nederlands Metinstituut – NMi
Poloni – Central Office of Measures GUM
Portugali – Instituto Portugês da Qualidade – IPQ
Federata Ruse – All Russia D.I. Mendeleyev Scientific and Research Instiute for Metrology – VNIIM
Suedi – Swedish National Centre of Metrology – SP
Zvicer – Bundesamt für Metrologie – METAS
Slovaki – Slovenský metrologický ústav – SMU
Sloveni – Standards and Metrology Institute – MIRS
Greqi– Hellenic Institut of Metrology- EIM
Spanjë – Centro Español de Metrología – CEM
Republika Çeke– Czech Metrological Institute – CMI
Turqi – National Metrology Institute – UME
Hungari – Hungarian Trade Licensing Office – MKEH
SHBA – National Instiute of Standards and Technology – NIST