| S.no | Company Name | Founded | Country | 
|---|---|---|---|
| 1 | Magnatrol Valve Corp. | USA | |
| 2 | Emerson Automation Solutions Final Control US LP | USA | |
| 3 | Croll-Reynolds Co. Inc. | USA | |
| 4 | Fulflo Specialties Co. The | USA | |
| 5 | Velan Inc. | USA | |
| 6 | Climax Portable Machine & Welding Systems | USA | |
| 7 | Circor International Inc. | USA | |
| 8 | co-ax valves inc. | USA | |
| 9 | Warren Controls Corp. | USA | |
| 10 | Senior Metal Bellows | USA | |
| 11 | Bailey Valve Inc. | USA | |
| 12 | Dansway Inc. | USA | 
 
                     
                     
                                    