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