Bundesamt für Eich- und Vermessungswesen, Austria, EURAMET

Government Office of the Capital City Budapest, Hungary, EURAMET

Bulgarian Institute of Metrology, Bulgaria, EURAMET

Centro Español de Metrologia, Spain, EURAMET

Centro Nacional de Metrologia, Mexico, SIM

Czech Metrology Institute, Czechia, EURAMET

Directorate of Measures and Precious Metals, Serbia, EURAMET

Hellenic Institute of Metrology, Greece, EURAMET

FSB - Laboratory for precise measurement of length, Croatia, EURAMET

Glowny Urzad Miar, Central Office of Measures, Poland, EURAMET

National Institute of Metrology, Romania, EURAMET

Korea Research Institute of Standards and Science, Korea, Republic of, APMP

Kazakhstan Institute of Standardization and Metrology, Kazakhstan, COOMET

Laboratoire national de métrologie et d'essais, France, EURAMET

Federal Institute of Metrology, Switzerland, EURAMET

VTT Technical Research Centre of Finland Ltd, Centre for Metrology/Mittatekniikan keskus, Finland, EURAMET

MIRS/University of Maribor, Faculty for Mechanical Engineering/Laboratory for Production Management, Slovenia, EURAMET

National Institute of Metrology, China, APMP

National Institute of Standards and Technology, United States, SIM

National Measurement Institute, Australia, Australia, APMP

National Metrology Institute of Malaysia, Malaysia, APMP

National Physical Laboratory, United Kingdom, EURAMET

CSIR National Physical Laboratory of India, India, APMP

NSAI National Metrology Laboratory, Ireland, EURAMET

National Scientific Centre "Institute of Metrology", Ukraine, EURAMET

National Measurement and Calibration Center - Saudi Standards, Metrology and Quality Organization, Saudi Arabia, GULFMET

Slovensky Metrologicky Ustav, Slovakia, EURAMET

National Measurement Standard - National Standardization Agency of Indonesia, Indonesia, APMP

TÜBITAK Ulusal Metroloji Enstitüsü, Türkiye, EURAMET

VSL, Netherlands, EURAMET