1. 3M Company
2. AMETEK Inc.
3. Chomerics Inc.
4. ETS-Lindgren Inc.
5. HV Technologies Inc.
6. Kemtron Ltd.
7. Keysight Technologies Inc.
8. KGS Kitagawa Industries Co. Ltd.
9. Laird PLC
10. Leader Tech Inc.
11. Rohde & Schwarz GmbH & Co. KG
12. Tech-Etch Inc.
13. Teseq AG