| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | PEP A Ryan Herco Flow Solutions Company | USA | |
| 2 | Victrex USA Inc. | USA | |
| 3 | United Pipe Nipple Company | USA | |
| 4 | Cust-O-Bend | USA | |
| 5 | Tube Methods Inc. | USA | |
| 6 | Pena-Plas Co. | USA | |
| 7 | Proco Products Inc. | USA | |
| 8 | Piping Systems Inc. | USA | |
| 9 | Flexible Valve Corp. | USA | |
| 10 | Lockwood Products Inc. | USA | |
| 11 | PPG Aerospace | USA | |
| 12 | Sonobond Ultrasonics | USA | |
| 13 | Rath Gibson PCC Energy Group | USA | |
| 14 | Courtaulds Aerospace Application Support Center – PHILADELPHIA | USA | |
| 15 | Courtaulds Aerospace Application Support Center – DALLAS | USA |
