- Landis+gyr Group AG
- Wasion Group Holdings
- Elster Group GMBH (Honeywell International Inc)
- Jiangsu Linyang Energy Co. Ltd
- Sagemcom SAS
- Ningbo Sanxing Electric Co. Ltd
- Kamstrup A/S
- Hexing Electric Company Ltd
- Itron Inc.
- Holley Technology Ltd
- Sensus USA Inc. (Xylem Inc)
- Nanjing Xinlian Electronics Co. Ltd
- Shenzhen Hemei Group Co. Ltd