www.nata.com.au – National Association of Testing Authorities, Australia
www.austndt.com.au – Australian NDT Sales
www.strinspectionservices.com – STR Inspection Services
www.austwelding.com.au – The Australian Welding Institute
www.globalwelding.com.au – Global Welding Technology
www.itest.net.au – I-Test NDT Services