WSSN - World Standard Services Network
| Africa | |
| – African Regional Organization for Standardization | |
| Americas | |
| – Pan American Standards Commission | |
| Arab states | |
| – Arab Industrial Development and Mining Organization | |
| Asia and Pacific | |
| – ASEAN Consultative Committee for Standards and Quality | |
| – Pacific Area Standards Congress | |
| Commonwealth of Independent States (CIS) | |
| – Euroasian Interstate Council for Standardization, Metrology and Certification | |
| Europe | |
| – Comité Européen de Normalisation | |
| – Comité Européen de Normalisation Electrotechnique | |
| – European Telecommunications Standards Institute | |
| – UN Economic Commission for Europe | |
| – UNECE Working Party on Agricultural Quality Standards |