1. ABB Ltd.
2. Azbil Corporation
3. Black & Veatch Holding
4. Cisco Systems Inc.
5. Digi International Inc.
6. Emerson Electric Co.
7. Fujitsu Limited
8. General Electric Company
9. Hitachi
Ltd.
10. Honeywell International Inc.
11. Itron Inc.
12. Motorola Solutions Inc.
13. Rockwell Automation Inc.
14. Schneider Electric SE
15. Xylem Inc.