Shqiperia – Drejtoria e Përgjithshme e Metrologjisë- DPM Australia - National Measurement Institute - NMIA Belgjikë - Ministry of Economy, Quality and Safety Department, Metrology Division Kina - State General Administration for Quality Supervision and Inspection and Quarantine - AQSIQ Danimarka - Dansk Fundamental Metrologi A/S - DFM Gjermani - Physikalisch Technische Bundesanstalt - PTB Finland - Safety Technology Authority - TUKES France - Bureau de la Métrologie, Sous-Direction de la Sécurité Industrielle et de la Métrologie - MINEFE Mbreteria e Bashkuar - National Measurement Office - NMO Irlandë - Legal Metrology Service, National Standards Authority of Ireland - NSAI Itali - Ministero dello Sviluppo Economico, Ufficio D3 - Strumenti di Misura Japoni - National Metrology Institute of Japan - NMIJ AIST Kanada - Measurement Canada - MC Kroaci - State Office for Metrology – DZM Maqedoni- Bureau of metrology- BOM Holandë - Verispect B.V. Holandë - NMi Certin Norvegji - Norwegian Metrology Service - Justervesenet Poloni - Central Office of Measures - GUM Portugali - Instituto Portugês da Qualidade - IPQ Federata Ruse - Russian Research Institut for Metrological Service - VNIIMS Suedi - SWEDAC Zvicer - Bundesamt für Metrologie - METAS Sllovaki - Slovak Legal Metrology - SLM Slloveni - Metrology Institute of the Republic of Slovenia - MIRS Spanjë - Centro Español de Metrología - CEM Republika Çeke - Czech Metrology Institute - CMI Hungari - Hungarian Trade Licensing Office - MKEH SHBA - National Institute of Standards and Technology – NIST