These pages provides information about PT providers, both accredited and not accredited. 

Please use the EPTIS to search PT providers. 


Eptis is a result of a EA, Eurachem and Eurolab cooperation. EPTIS (European Proficiency Testing Information System) goal is to be a good source of PTs. Contents are solely based on providers own information. 

The sub pages in Norwegian is lists of relevant providers for different schemes.