1. Agilent Technologies Inc.
2. Apera Instruments
3. Emerson Electric Co.
4. Hach Company
5. Hamilton Company
6. Hanna Instruments
7. Honeywell International Inc.
8. Horiba
Ltd.
9. Jenco Instruments
10. Lovibond
11. Metrohm AG
12. Milwaukee Instruments Inc.
13. Myron L Company
14. Ohaus Corporation
15. Omega Engineering
16. Panomex Inc.
17. PCE Deutschland GmbH
18. PreSens Precision Sensing GmbH
19. Sartorius AG
20. Tecpel Co. Ltd.
21. Testo India Pvt. Ltd.
22. Thermo Fisher Scientific
23. Van London Co.
24. VWR International
25. Xylem Inc.