| ISO |
ISO - International Organization for Standardization |
| Argentina |
IRAM - Instituto Argentino de Normalizacion |
| Australia |
Standards Australia (SAA) |
| Canada |
Standards Council of Canada (SCC) |
| Danimarca |
Dansk Standards/Information Technology (DS/IT) |
| Finlandia |
Finnish Standards Association (SFS) |
| Francia |
Association Française de Normalisation (AFNOR) |
| Grecia |
Hellenic Organization for Standardization (ELOT) |
| Italia |
Ente Nazionale Italiano di Unificazione (UNI) Comitato Elettrotecnico Italiano (CEI) |
| Germania |
Deutsches Institut für Normung (DIN) DKE/VDE |
| Giappone |
Japanese Industrial Standards Committee (JIS) |
| Irlanda |
National Standards Authority of Ireland (NSAI) |
| Lettonia |
Latvian Standard Ltd (LVS) |
| Malesia |
Standards and Industrial Research of Malaysia (SIRIM) |
| Norvegia |
Norges Standardiseringd-Forbund (NSF) |
| Olanda |
Nederlands Normalisatie-Instituut (NNI) |
| Portogallo |
Instituto Português da Qualidade (IPQ) |
| Regno dell'Arabia Saudita |
S.A.S.O. Saudi Arabia Standards Organization |
| Slovenia |
Standards and Metrology Institute |
| Spagna |
Asociación Española de Normalización y Certificación |
| Stati Uniti d'America |
American Society for restino and materials |
| Svezia |
Swedish Standards Institution |
| Turchia |
Turkish Standards Institution |
| Regno Unito |
British Standards Institution |