1. Aclara Technologies LLC by Hubbell Incorporated
2. Apator SA
3. Axioma Metering
4. BELIMO Automation AG
5. Danfoss A/S
6. Diehl Stiftung & Co. KG
7. Engelmann Sensor GmbH
8. Honeywell International Inc.
9. Huizhong Instrumentation Co. Ltd.
10. Iotaflow Pvt. Ltd.
11. ista SE
12. Itron Inc.
13. Kamstrup AS
14. Landis+Gyr by Toshiba Corporation
15. Micronics Ltd.
16. Quadlogic Meters Canada Inc.
17. Qundis GmbH
18. Siemens AG
19. Sontex SA
20. TA Instruments by Waters Corporation
21. Techem GmbH
22. Wasion Group
23. Xylem Inc.
24. Zenner International GmbH & Co. KG
25. Zhejiang Bove Intelligent Technology Co. Ltd.