• Aqua-Aerobic Systems, Inc.
• DO2E Wastewater Treatment LLC
• EDI - Environmental Dynamics International
• Howden
• JDV Equipment Corporation
• Kuhn North America, Inc.
• Landia, Inc.
• Milton Roy
• Philadelphia Gear, A Timken Brand
• Pulsed Hydraulics, Inc.
• Sulzer Pumps Solutions Inc.
• Triplepoint Environmental