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 Norvegji- Justervesenet 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 Rumani- Institututul national de metrologie- INM