- AMT Pump Company
- AR North America, Inc.
- Armstrong Equipment, Inc. / Garnet Instruments
- Cat Pumps Corporation
- Comet
- Easy Kleen Pressure Systems LTD
- Engine & Accessory, Inc.
- General Pump
- GIANT INDUSTRIES INC
- Gorman-Rupp Pumps
- Hammelmann Corporation
- HotJet USA
- Milwaukee Rubber Products, Inc.
- Moro USA, Inc.
- MTH Pumps
- UDOR U.S.A.
- Vacuum Sales, Inc.
- Valley Industries
