TÜV SÜD

TÜV Rheinland

DQS

The Performance Review Institute (PRI)

The Performance Review Institute (PRI) is a global, non-profit organization dedicated to advancing quality, safety, and reliability in highly regulated and high-risk industries. PRI is headquartered in the United States, with additional offices supporting organizations across Europe and the Asia-Pacific region.

Applus+

TÜV NORD

Bureau Veritas

Det Norske Veritas

Intertek

SGS

Quality Austria