| ndt.net | The e-Journal of Nondestructive Testing |
| icndt.org | Icndt Web Site |
| dgzfp.de | Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V. (DGZfP) |
| csndt.org | CSNDT: The Canadian Society for Nondestructive Testing |
| bindt.org | The British Institute of Non-Destructive Testing |
| asnt.org | American Society for Nondestructive Testing |
| asme.org | American Society of Mechanical Engineers |
| cofrend.com | COFREND : Confdration franaise pour les essais non desctructifs |
| cndt.cz | Česká Společnost Pro Nedestruktivní Testování |
| astm.org | ASTM International |
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