- AMT Pump Company
- Cornell Pump Company
- Crane Pumps & Systems
- Franklin Electric
- Gorman-Rupp Pumps
- Liberty Pumps
- Mersino Water Solutions
- Orenco Systems, Inc.
- Pulsafeeder, Inc.
- Rain for Rent
- Reed Manufacturing
- Smith & Loveless, Inc.
- Thompson Pump and Manufacturing Company
- Tsurumi Pump
- Vaughan Company, Inc.
- Vertiflo Pump Company
- Wastecorp Pumps
