International organisations
| European Committee for Standardisation : | www.cenorm.be |
| International Organisation for Standardisation : | www.iso.ch |
| Organisation Internationale de Métrologie Légale : | www.oiml.org |
| European Cooperation in Legal Metrology : | www.welmec.org |
European Legal Metrology Authorities
| Austria : | www.bev.gv.at |
| Belgium : | www.mineco.fgov.be |
| Czech Republic : | www.unmz.cz |
| Denmark : | www.dfm.dtu.dk |
| Estonia : | www.mkm.ee |
| Finland : | www.tukes.fi |
| France : | www.industrie.gouv.fr/metro/ |
| Germany : | www.ptb.de |
| Hungary : | www.mkeh.gov.hu |
| Iceland : | www.ls.is |
| Ireland : | www.nsai.ie |
| Italy : | www.sviluppoeconomico.gov.it |
| Lithuania : | www.lvmt.lt |
| Malta : | www.msa.org.mt |
| Netherlands : | www.minez.nl |
| Norway : | www.justervesenet.no |
| Poland : | www.gum.gov.pl |
| Portugal : | www.ipq.pt |
| Romania : | www.brml.ro |
| Slovakia : | www.normoff.gov.sk |
| Slovenia : | www.mirs.si |
| Spain : | www.cem.es |
| Sweden : | www.swedac.se |
| Switzerland : | www.metas.ch |
| UK : | www.nmo.dius.gov.uk |
