AIPND - Associazioni Italiana Prove Non Distruttive
www.aipnd.it

American Society of Nondestructive Testing
www.asnt.org

CICPND - Centro Italiano di Certificazione per le Prove Non Distruttive e per i Processi Industriali
www.cicpnd.it

European Federation of Non-Destructive Testing
www.efndt.org

German Society of Non-Destructive Testing
www.dgzfp.de

International Committee for Non-Destructive Testing
http://www.icndt.org/

The British Institute of Non-Destructive Testing
www.bindt.org