Inspection Bureau
Lloyd's Register
Det Norske Veritas
Bureau Veritas
A.I.B.
Rina
Ispesi
Apave
Alpave
TUV
American Bureau
Germanisher Lloyds
American Society of Mechanical Engineers (ASME)

Laboratories and testers
Traction machines (warm test)
Resiliency pendulum
Hbn - Hrc - Hv durometers
Extensimeters
Simulated thermical treatment furnaces
Not destructive test set-up and testers: US DPI MPI
Metallographic and micrographic tests
Corrosiveness tests (Straus, Huey, Pitting)
Ferrite tests