-International Maritime Organiztion - IMO
www.IMO.org
-American Welding Society -AWS
www.aws.org
-American Petroleum Institute -API
www.api.org
- British Institute of NDT (BINDT)
www.bindt.org
- NDT Data base & Journal
www.ndt.net
-NDT organization
www.ndt.org
- NDT central
www.ndtoentral.com
- NDT Resource Center
www.ndt-ed.org
-Bureau Veritas (BV)
www.bureauveritas.com
- DET NORSKE VERITAS (DNV)
www.dnv.com
- Lioyd's Register (LR)
www.LR.org
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