1. Anritsu Corporation
2. BluFlux
LLC
3. Bureau Veritas
4. DEKRA SE
5. Electro Magnetic Test Inc.
6. Elements Materials Technology
7. Eurofins Scientific SE
8. EXFO Inc.
9. Intertek Group Plc
10. Keysight Technologies Inc.
11. Rohde & Schwarz GmbH & Co
12. Spirent Communications plc
13. Testilabs Ltd
14. T?V Rheinland
15. Viavi Solutions Inc.