1. Apave Group
2. Applus Services
S.A
3. AVL List GmbH
4. British Standards Institution
5. Bureau Veritas Group
6. Caltest Instruments Ltd.
7. Chroma ATE Inc.
8. DEKRA SE
9. Det Norske Veritas Holding AS
10. EM Topco Limited
11. Emerson Electric Co.
12. Eurofins Group
13. HORIBA
Ltd.
14. iASYS Technology Solutions
15. Intertek Group PLC
16. LHP Inc.
17. Link Engineering Company
18. MET Laboratories Inc.
19. Nemko Group
20. PCB Piezotronics Inc.
21. SGS Group
22. Tata Elxsi Limited
23. T?V Rheinland Group
24. UL LLC