| MPO | Ministry of Industry and Trade of the Czech Republic | http://www.mpo.cz/ |
| ČIA | Czech Accreditation Institute | http://www.cai.cz/ |
| ČMI | Czech Metrology Institute | http://www.cmi.cz/ |
| AAAO | Association of Accredited and Authorized Organizations | http://www.aaao.cz/ |