International Commission on Illumination

International Atomic Energy Agency

International Laboratory Accreditation Cooperation

International Organization for Standardization

International Union of Pure and Applied Chemistry

National Conference of Standards Laboratories International

Organisation for Economic Co-operation and Development

International Organization of Legal Metrology

United Nations Economic Commission for Europe

United Nations Educational, Scientific and Cultural Organization

United Nations Framework Convention on Climate Change

United Nations Industrial Development Organization

Versailles Project on Advanced Materials and Standards

World Health Organization

World Meteorological Organization

WTO Committee on Technical Barriers to Trade