1. ABB Ltd
2. Aeroqual Ltd
3. AMETEK Inc.
4. Calibration Technologies Inc.
5. Gesellschaft f?r Ger?tebau mbH
6. Honeywell International Inc.
7. MIPEX Technology
8. Nemoto and Co. Ltd.
9. NEW COSMOS ELECTRIC Co. Ltd.
10. Process Sensing Technologies Limited
11. Renesas Electronics Corporation.
12. Robert Bosch GmbH
13. Siemens AG
14. SPEC Sensors LLC
15. Trolex Ltd
16. X-Sense LLC
17. Yokogawa Electric Corporation