| Albania |
General Directorate of Standardization (DSC) |
| Argentina |
Instituto Argentino de Normalizacion (IRAM) |
| Armenia |
Department for Standardization, Metrology and Certification (SARM) |
| Australia | Standards Australia (SAA) |
| Austria |
Osterreichisches Normungsinstitut (ON) |
| Bangladesh |
Bangladesh Standards and Testing Institution (BSTI) |
| Belgium |
Institut Belge de Normalisation (IBN) |
| Bulgaria |
Committee for Standardization and Metrology (BDS) |
| Bosnia and Herzegovina |
Institute for Standardization, Metrology and Patents of Bosnia and Herzegovina (BASMP) |
| Brazil |
Associaao Brasileira de Normas Tecnicas (ABNT) |
| Byelorussia |
Committee for Standardization, Metrology and Certification (BELST) |
| Denmark |
Dansk Standard (DS) |
| Ecuador |
Instituto Ecuatoriano de Normalizacion (INEN) |
| Egypt |
Egyptian Organization for Standardization and Quality Control (EOS) |
| Estonia |
National Standards Board of Estonia (EVS) |
| Ethiopia |
Quality and Standards Authority of Ethiopia (QSAE) |
| Canada |
Standards Council of Canada (SCC) |
| Chili |
Instituto Nacional de Normalizacion (INN) |
| China |
China State Bureau of Quality and Technical Supervision (CSBTS) |
| Colombia |
Instituto Colombiano de Normas Tecnicas y Certificacion (ICONTEC) |
| Costa Rika |
Instituto de Normas Tecnicas de Costa Rica (INTECO) |
| Croatia |
State office for Standardization and Metrology (DZNM) |
| Cuba |
Oficina Nacional de Normalizacion (NC) |
| Czech Republic |
Czech Standards Institute (CSNI) |
| Finland |
Finnish Standards Association (SFS) |
| France |
Association francaise de normalisation (AFNOR) |
| Georgia |
State Department for Standardization, Metrology and Certification of Georgia (GEOSTAND) |
| Germany |
Deutsches Institut fur Normung (DIN) |
| Greece |
Hellenic Organization for Standardization (ELOT) |
| Hong Kong, China |
Industry Department (ID) |
| Hungary |
Magyar Szabvanyugyi Testulet (MSZT) |
| Iceland |
Icelandic Council for Standardization (STRI) |
| India |
Bureau of Indian Standards (BIS) |
| Indonesia |
Badan Standardisasi Nasional (National Standardization Agency, Indonesia) (BSN) |
| Ireland |
National Standards Authority of Ireland (NSAI) |
| Israel |
Standards Institution of Israel (SII) |
| Italy |
Ente Nazionale Italiano di Unificazione (UNI) |
| Jamaica |
Jamaica Bureau of Standards (JBS) |
| Japan |
Japanese Industrial Standards Committee (JISC) |
| Kazakhstan |
Committee for Standardization, Metrology and Certification (KAZMEMST) |
| Kirghizia |
State Inspection for Standardization and Metrology (KYRGYZST) |
| Latvia |
Latvian Standard (LVS) |
| Lithuania |
Lithuanian Standards Board (LST) |
| Luxemburg |
Service de l'Energie de l'Etat (SEE) |
| Malaysia |
Department of Standards Malaysia (DSM) |
| Marocco |
Service de Normalisation Industrielle Marocaine (SNIMA) |
| Moldova, Republic of |
Department of Standards, Metrology and Technical Supervision (MOLDST) |
| Mongolia |
Mongolian National Centre for Standardization and Metrology (MNCSM) |
| New Zealand |
Standards New Zealand (SNZ) |
| Norway |
Norges Standardiseringsforbund (NSF) |
| Oman |
Directorate General for Specifications and Measurements Ministry of Commerce and Industry (DGSM) |
| Pakistan |
Pakistan Standards Institution (PSI) |
| Peru |
Instituto Nacional de Defensa de la Competencia y de la Proteccion de la Propiedad Intelectual (INDECOPI) |
| Poland |
Polish Committee for Standardization (PKN) |
| Portugal |
Instituto Portugues da Qualidade (IPQ) |
| Romania |
Asociatia de Standardizare din Romania (ASRO) |
| Russian Federation |
Federal agency for technical regulation and metrology |
| Saudi Arabia |
Saudi Arabian Standards Organization (SASO) |
| Singapore |
Singapore Productivity and Standards Board (PSB) |
| Slovakia |
Slovak Office of Standards, Metrology and Testing (UNMS) |
| Slovenia |
Standards and Metrology Institute (SMIS) |
| South Africa, Republic of |
South African Bureau of Standards (SABS) |
| South Korea |
Agency for Technology and Standards (ATS) |
| Spain |
Asociacion Espanola de Normalizacion y Certificacion (AENOR) |
| Sri Lanka |
Sri Lanka Standards Institution (SLSI) |
| Sweden |
Standardiseringen i Sverige (SIS) |
| Switzerland |
Swiss Association for Standardization (SNV) |
| Thailand |
Thai Industrial Standards Institute (TISI) |
| The Netherlands |
Nederlands Normalisatie Instituut (NNI) |
| The Philippines |
Bureau of Product Standards Department of Trade and Industry (BPS) |
| Trinidad and Tobago |
Trinidad and Tobago Bureau of Standards (TTBS) |
| Turkmenistan |
Major State Inspection of Turkmenistan (MSIT) |
| Turkey |
Turkish Standards Institution (TSE) |
| UK |
British Standards Institution (BSI) |
| Ukraine |
State Committee of Ukraine for Standardization, Metrology and Certification (DSTU) |
| United Arab Emirates |
Directorate of Standardization and Metrology Ministry Finance and Industry (SSUAE) |
| Uruguay |
Instituto Uruguayo de Normas Tecnicas (UNIT) |
| USA |
American National Standards Institute (ANSI) |
| USA |
National Institute of Standards and Technology (NIST) |
| Uzbekistan |
Uzbek State Centre for Standardization, Metrology and Certification (UZGOST) |
| Venezuela |
Fondo para la Normalizacin y Certificacin de la Calidad (FONDONORMA) |
| Viet Nam |
Directorate for Standards and Quality (TCVN) |
| Yugoslavia |
Savezni zavod za standardizaciju (SZS) |
| Zimbabwe |
Standards Association of Zimbabwe (SAZ) |