- Aqua-Aerobic Systems, Inc.
- AERZEN
- BDP Industries, Inc.
- BioSafe Systems
- Blue-White Industries
- CarboNet
- Core & Main
- Duperon Corporation
- DuPont Water Solutions
- ELODE USA, Inc.
- Force Flow
- Harmsco Filtration Products
- HUBER Technology, LLC
- JDV Equipment Corporation
- Kaeser Compressors, Inc.
- Kuhn North America, Inc.
- Lakeside Equipment Corporation
- NOV Fiber Glass Systems
- Penn Valley Pump Co., LLC - An Ingersoll Rand Business
- Philadelphia Gear, Power Systems by Timken
- Plastatech
- Pollardwater
- RootX
- Saf-T-Flo Chemical Injection
- Trashology
- Vaughan Company, Inc.
- Vogelsang
