BIPM – Bureau international des poids et mesures
Scope: Units, standards and methods of measurement of physical quantities. |
BISFA – International Bureau for the Standardization of Man-made Fibres
Scope: Specification and testing of man-made fibres. |
CCSDS – Consultative Committee for Space Data Systems
Scope: Space-related information technologies, data handling techniques |
CIB – International Council for Research and Innovation in Building and Construction
Scope: Pre-standardization work in the field of building and construction. |
CIE – International Commission on Illumination
Scope: Metrology in the fields of light, lighting and colour; science, technology and art of light, lighting and colour. |
CIMAC – International Council on Combustion engines
Scope: Acceptance tests for combustion engines; noise; pollution. |
CODEX – Codex Alimentarius Commission
Scope: Specification, sampling and analysis of food products; food additives; food hygiene; pesticide residues; contaminants; labelling; essential composition; nutritional aspects; veterinary drug residues; food import/export inspection and certification systems. |
CORESTA – Cooperation Centre for Scientific Research Relative to Tobacco
Scope: Analysis and testing of tobacco and tobacco products. |
FDI – World Dental Federation
Scope: Dental materials; dental instruments and equipment; working environment of the dentist. |
FIATA – International Federation of Freight Forwarders Associations
Scope: Freight forwarding services. |
IAEA – International Atomic Energy Agency
Scope: Nuclear energy; nuclear and radiation safety; radioisotopes; documentation. |
IATA – International Air Transport Association
Scope: Procedures for airport and passenger services. Procedures for cargo services, including shipping of live animals and dangerous goods. Minimum standards for IATA accreditation of cargo and passenger agents and their modus operandi. |
ICAO – International Civil Aviation Organization
Scope: Air transport; air navigation; aviation safety; airports design; airworthiness; aircraft noise; international law, etc. |
ICC – International Association for Cereal Science and Technology
Scope: Testing and analysis of cereals and cereal products. |
ICDO – International Civil Defence Organisation
Scope: Disaster management and prevention. |
ICID – International Commission on Irrigation and Drainage
Scope: Irrigation and drainage; terminology. |
ICRP – International Commission on Radiological Protection
Scope: Radiation hazards and radiation protection. |
ICRU – International Commission on Radiation Units and Measurements
Scope: Radiation units and measurements; radiation dosimetry. |
ICUMSA – International Commission for Uniform Methods of Sugars Analysis
Scope: Methods of sugar analysis. |
IDF – International Dairy Federation
Scope: Milk and milk products (composition, sampling and analyses); milk farm and factory equipment; disinfectants. |
IEC – International Electrotechnical Commission
Scope: Electrical and electronic engineering. |
IETF – Internet Engineering Task Force
Scope: Internet architecture and operation. |
IFLA – International Federation of Library Associations and Institutions
Scope: Bibliographic control and other aspects of library matters. |
IFOAM – International Federation of Organic Agriculture Movemenets
Scope: Organic agriculture and processing. |
IGU – International Gas Union
Scope: Gas transmission distribution and utilization safety; use of SI units in gas industry. |
IIR – International Institute of Refrigeration
Scope: Tests of thermal performance of insulated vehicles; tests of insulating materials; refrigerated storage and transport of perishable foodstuffs; food freezing; refrigerating equipment; terminology. |
IIW – International Institute of Welding
Scope: Welding and allied processes. |
ILO – International Labour Office
Scope: Working conditions and environment; occupational safety and health; equality of treatment between men and women; non-discrimination; rights of tribal and indigenous peoples; employment. |
IMO – International Maritime Organization
Scope: Maritime safety; prevention of pollution from ships; facilitation of international maritime traffic. |
IOOC – International Olive Oil Council
Scope: Table olives; olive oil; olive-pomace oils. |
– International Organization for Standardization
Scope: All fields except electrical and electronic engineering. ISO |
ISTA – International Seed Testing Association
Scope: Seed testing. |
ITU – International Telecommunication Union
Scope: ITU-T: All aspects of telecommunication equipment, systems, networks and voice and non-voice services. All related technical, operating and administrative areas. ITU-R: Radiocommunications. |
IULTCS – International Union of Leather Technologists and Chemists Societies
Scope: Analysis and testing of leather. |
IUPAC – International Union of Pure and Applied Chemistry
Scope: Nomenclature, terminology, symbols, quantities and units in chemistry |
IWTO – International Wool Textile Organization
Scope: Testing of wool textiles. |
OIE – International Office of Epizootics
Scope: Standards for the international trade in animals and animal products, diagnostic techniques, reference reagents, vaccines and procedures for international reporting of transmissible animal diseases. |
OIML – International Organization of Legal Metrology
Scope: Measuring methods and units; measuring devices and instruments; verification and control of measuring devices (from a legal point of view). |
OIV – International Vine and Wine Office
Scope: Methods of wine analysis; oenology; labelling. |
OTIF – Intergovernmental Organisation for International Carriage by Rail
Scope: International carriage of dangerous goods by rail. |
RILEM – International Union of Laboratories and Experts in Construction Materials, Systems and Structures
Scope: Nomenclature and testing of building materials and structures.
UIC – International Union of Railways
Scope: International railway traffic. |
UN/CEFACT – Centre for the Facilitation of Procedures and Practices for Administration, Commerce and Transport
Scope: Trade facilitation and electronic business |
UNESCO – United Nations Educational, Scientific and Cultural Organization
Scope: Scientific and technological information and documentation, libraries and archives. |
UPU – Universal Postal Union
Scope: Compatible postal operations. |
WCO – World Customs Organization
Scope: Classification; customs valuation; customs procedures; customs applications of computers; harmonization of Rules of Origin. |
WIPO – World Intellectual Property Organisation
Scope: Patents; trademarks; industrial designs; appellations of origin; copyright; neighbouring rights; classification systems. |
WMO – World Meteorological Organization
Scope: Meteorological and hydrological observations; agricultural, aeronautical and marine meteorology; data processing and telecommunications. |
Members of ISO ( International Organization for Standardization) 
International Electro technical Commission - IEC
ASTM International
British Standards Institution - BSI
South Asian Regional Standards Organization (SARSO)