1. Baker Hughes Company (GE)
2. Endress+Hauser Group Services AG
3. Fuji Electric Co. Ltd
4. Honeywell International Inc.
5. Emerson Electric Co.
6. Badger Meter Inc.
7. Omega Engineering Inc (Spectris plc)
8. KROHNE Group
9. Teledyne Technologies Incorporated
10. Bronkhorst High-Tech BV