| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Teikoku USA | USA | |
| 2 | Roth Pump Co. | USA | |
| 3 | Tark Inc. | USA | |
| 4 | Excelsior Blower Systems Inc. | USA | |
| 5 | Nikuni America Inc. | USA | |
| 6 | Klaus Union Inc. | USA | |
| 7 | Gusher Pumps | USA | |
| 8 | Skidmore Pump | USA | |
| 9 | Sims Pump Valve Co. Inc. | USA | |
| 10 | Marshall Engineered Products Company | USA | |
| 11 | Warrender Ltd. | USA | |
| 12 | American-Marsh Pumps L.L.C. | USA | |
| 13 | Crane Pumps & Systems Inc. | USA | |
| 14 | Systematic Automation Inc. | USA | |
| 15 | Kerr Pump & Supply | USA |