1. 3M Company
2. AECOM
3. Aeroqual Limited
4. Agilent Technologies Inc.
5. BALL Corporation
6. Danaher Corporation
7. Durr Megtec LLC
8. E.S.I. Environment Sensors Inc.
9. Emerson Electric Co.
10. General Electric Company
11. Honeywell International Inc.
12. HORIBA
Ltd.
13. Lockheed Martin Corporation
14. Merck KGaA
15. Raytheon Technologies Corporation