1. American Air Filter Company Inc.
2. Bla Etech Pvt. Ltd.
3. Block Transformatoren-Elektronik GmbH
4. Camfil AB
5. Captor Corporation
6. Delta Electronics Inc.
7. Dynamic Air Quality Solutions
8. ELTROPLAN-REVCON Elektrotechnische Anlagen GmbH
9. EMI Solutions India Pvt. Ltd.
10. Freudenberg Filtration Technologies GmbH & Co. KG
11. Hellan Strainer Company
12. Littelfuse Inc.
13. MANN+HUMMEL International GmbH & Co. KG
14. MTE Corporation
15. Permatron Corporation
16. REO AG
17. Schurter Holding AG
18. TDK Corporation
19. TE Connectivity Ltd.