1. A Carrier Company
2. AIRON Group of Companies
3. Azbil Corporation
4. Caverion Corporation
5. Delta Controls Inc.
6. Distech Controls Inc.
7. Electrolux AB
8. Fr. Sauter AG
9. Honeywell International Inc.
10. Johnson Controls International PLC
11. Lennox International Inc.
12. Mass Electronics Pty. Ltd.
13. Mitsubishi Corporation
14. Schneider Electric S.E.
15. Siemens AG
16. Trane Inc.