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
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
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
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