1. ABB Ltd.
2. Ametek Inc.
3. California Analytical Instruments Inc.
4. Dragerwerk AG & Co. KGaA
5. Emerson Electric Company
6. Endee Engineers Pvt. Ltd.
7. Fuji Electric Co. Ltd.
8. Horiba
Ltd.
9. Robert Bosch GmbH
10. Sauermann Group
11. Sick AG
12. Siemens AG
13. Teledyne Analytical Instruments
14. Testo SE & Co. KGaA
15. Thermo Fisher Scientific Inc.