TÜV SÜD

Quality Austria

Intertek

Det Norske Veritas

Applus+

DQS

SGS

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.

TÜV NORD

TÜV Rheinland

Bureau Veritas