- A.Y. McDonald Mfg. Co.
- Allan J. Coleman Co.
- AQUAGUARD LLC
- AquaMotion, Inc.
- Arcan Enterprises
- Arrowhead Brass
- Arthur Products Co.
- Bemis Manufacturing Co.
- Bio-Clean / Statewide Supply, Inc.
- Central Oklahoma Winnelson
- Charlotte Pipe and Foundry Co.
- Comet
- Corro-Protec
- Dallas Specialty & Mfg. Co.
- Easy-Kleen Pressure Systems Ltd.
- Electric Eel Products
- Enz USA Inc.
- FIBERSCOPE
- General Pump
- Gorlitz Sewer & Drain, Inc.
- Harben Inc.
- Heat-flo LLC
- HotJet USA
- Hydra-Flex, Inc.
- J.M. McKinney Co.
- JETTERS NORTHWEST
- KEG Technologies, Inc.
- LevTech, LLC
- Liberty Pumps
- Milwaukee Rubber Products, Inc.
- Milwaukee Tool
- MyTana
- Oatey Co.
- Picote Solutions
- Prime Resins
- QuickFitting
- RauschUSA
- SJE Rhombus®
- Source ONE Environmental
- Southland Tool Mfg. Inc.
- Spartan Tool LLC
- Suttner America Company
- U.S. Boiler Company, Inc.
- USB-USA
- Vactor Manufacturing
- Weil-McLain
- Western Drain Supply
- Zoeller Pump Company
