Zakonsko mjeriteljstvo
OIML – Organisation Internationale de Métrologie Légale
WELMEC – European Cooperation in Legal Metrology
Nacionalni mjeriteljski instituti (odabir)
National Physical Laboratory - NPL
Velika Britanija
Physikalisch-Technischen Bundesanstalt
Njemačka
Istituto Elettrotecnico Nazionale Galileo Ferraris - IEN
Italija
Nederlands Meetinstituut - NMi
Nizozemska
Bundesamt für Metrologie und Akkreditierung - METAS
Švicarska
National Institute of Standards and Technology - NIST
SAD
Mjeriteljske organizacije
Standardizacija
CEN – European Committee for Standardization
CENELEC – European Committee for Electrotechnical Standardization
ISO – International Organization for Standardization
IEC – International Electrotechnical Commission
Akreditacija
ILAC – International Laboratory Accreditation Cooperation
DAR – Deutscher Akkreditierungsrat
DKD – Deutscher Kalibrierdienst (German Calibration Service)
EA – European co-operation for Accreditation
Ostale međunarodne mjeriteljske organizacije
Metre convention/BIPM
EUROMET – European collaboration in Measurement Standards
COOMET – Euro-Asian Cooperation of National Metrological Institutions
IMEKO – International Measurement Confederation
NCSL – National Conference of Standards Laboratories
EUROLAB - European laboratory
EUROCHEM - European chemical laboratory
Hrvatske mjeriteljske udruge
CROLAB – Hrvatski laboratoriji
HMD – Hrvatsko mjeriteljsko društvo