1. 3M
2. Aeroqual
3. Agilent Technologies Inc
4. Danaher Corporation
5. Emerson Electric Co
6. Forbes Marshall
7. General Electric Company
8. Honeywell International Inc
9. Horiba Ltd
10. Merck Kgaa
11. Perkinelmer Inc
12. Shimadzu Corporation
13. Siemens Ag
14. Teledyne Technologies Incorporated
15. Thermo Fisher Scientific Inc