1. Applus Services
S.A.
2. BSI Group
3. Bureau Veritas S.A.
4. DEKRA SE
5. Element Materials Technology
6. Eurofins Scientific SE
7. Intertek Group PLC
8. MISTRAS Group Inc.
9. Norges Elektriske Materiellkontroll
10. NSF International
11. RINA S.p.A
12. SGS SA
13. TUV SUD
14. T?V Nord Group
15. T?V Rheinland Group