Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)

International Electrotechnical Commission

International Organization for Standardization

International Electrotechnical Commission

International Commission on Illumination

Codex Alimentarius Commission

International Atomic Energy Agency

International Council for Standardization in Haematology

International Federation of Clinical Chemistry and Laboratory Medicine

Intergovernmental Panel on Climate Change

International Organization for Standardization

International Union of Pure and Applied Chemistry

European Joint Research Centre

United Nations Framework Convention on Climate Change

World Anti-Doping Agency

World Health Organization

World Meteorological Organization

Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)

International Atomic Energy Agency

International Committee for Radionuclide Metrology

International Commission on Radiation Units and Measurements

International Organization for Standardization

European Joint Research Centre

World Health Organization

European Space Agency

International Association of Geodesy

International Astronomical Union

International Committee on Global Navigation Satellite Systems

International Earth Rotation and Reference Systems Service

International GNSS Service

International Organization for Standardization

International Telecommunication Union

International Union of Radio Science

International Commission on Illumination

Committee on Data of the International Science Council

International Astronomical Union

International Commission on Radiation Units and Measurements

International Electrotechnical Commission

International Federation of Clinical Chemistry and Laboratory Medicine

International Organization for Standardization

International Union of Pure and Applied Chemistry

International Union of Pure and Applied Physics

International Organization of Legal Metrology