• Airmaster Aerator LLC
• Anua
• Aqua-Aerobic Systems, Inc.
• AWT Technologies, Inc.
• Environetics, Inc
• Environmental Dynamics International
• Ford Hall Company, Inc.
• Hach Company
• Headworks International
• Hydromantis, Inc.
• In-Pipe Technology, Inc.
• Infilco Degremont, Inc.
• Kemira
• Misty Mountain Aqua Products
• Ovivo
• PRD Tech, Inc.
• Sanitaire - a Xylem Brand
• Smith & Loveless, Inc.
• WesTech Engineering, Inc.