Det Norske Veritas

Applus+

Quality Austria

TÜV SÜD

TÜV Rheinland

Intertek

DQS

SGS

TÜV NORD

Bureau Veritas

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.