1. 3M Company
2. Blueair Inc.
3. Denso Corporation
4. Eureka Forbes Ltd.
5. Honeywell International Inc.
6. Koninklijke Philips N.V.
7. MAHLE GmbH
8. MANN+HUMMEL International GmbH & Co. KG
9. Marelli Corporation
10. Panasonic Corporation
11. Robert Bosch GmbH
12. Sharp Corporation
13. Toyota Boshoku Corporation
14. Xiamen Airbus Electronic Technology Co. Ltd.
15. Xiaomi Corporation