Search the Danholsen Global Services NDT Certificate Holder Directory and verify a certificate
The Certificate holder directory is a searchable database that allows you to locate and verify the status of current holders of certificates issued by Danholsen Global Services by inputting the person’s FIRST NAME in the search bar below. This directory includes employer issued certificates based on Recommended Practice No. SNT-TC-1A. Certificates remain valid until the end of the month shown for Expiration Date.