- AMT Pump Company
- Comet
- Cornell Pump Company
- Crane Pumps & Systems
- Dig Pig Products Inc.
- Galway Pumps
- General Pump
- GIANT INDUSTRIES INC
- Gorman-Rupp Pumps
- Harben Inc.
- McCrometer
- Mersino Water Solutions
- Milwaukee Rubber Products, Inc.
- Pulsafeeder, Inc.
- Tsurumi Pump
- Valley Industries
- Vertiflo Pump Company
