Certifications By Registrar

Certification Body Count
Perry Johnson Registrars 8424
ABS Quality Evaluations, Inc 5866
NQA, USA 3960
TÜV SÜD America, Inc 3246
NSF-ISR 2349
American Systems Registrar 2196
SRI Quality System Registrar, Inc 2174
EAGLE Registrations, Inc 1393
Smithers Quality Assessments, Inc 1201
Orion Registrar, Inc 1139
American Petroleum Institute Quality Registrar 1037
TUV Rheinland of North America 910
HSB Registration Services 739
Quality System Registrars 463
Performance Review Institute 432
KEMA-Registered Quality, Inc 243
MCNA - Management Certification of North America 63