- Aqua-Aerobic Systems, Inc.
- AUC Group
- Blue Earth Products
- Centrisys/CNP
- Eden Lakes LLC
- EnBiorganic Technologies
- GEA North America
- Hach
- Headworks International, Inc.
- HUBER Technology, LLC
- Lakeside Equipment Corporation
- Moleaer
- Ovivo USA, LLC
- Parkson Corporation
- Process Water Technologies LLC (PWTech)
- Smith & Loveless, Inc.
- Triplepoint, an Axius Water company
- Veolia
- Xylem
- YSI, a Xylem brand
