1. Ametek Inc.
2. Endress+Hauser Group Services AG
3. General Electric Company
4. Kett Electric Laboratory
5. Labtron Equipment Ltd.
6. Metrohm AG
7. Mettler-Toledo International Inc
8. Michell Instruments Inc.
9. OHAUS CORPORATION
10. PCE Deutschland GmbH
11. Precision Pipeline Equipment Inc.
12. Sartorius AG
13. Shimadzu Corp.
14. Sinar Technology
15. Thermo Fisher Scientific Inc.
16. U-Therm International (H.K.) Ltd.
17. VWR International
LLC