| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Precision Welding & Fabrication | USA | |
| 2 | Rudy and Associates | USA | |
| 3 | California Metal & Supply Inc. | USA | |
| 4 | A-1 Alloys | USA | |
| 5 | World Wide Metric Inc. | USA | |
| 6 | Reliable Source Inc. | USA | |
| 7 | MetalTek International | USA | |
| 8 | Global Metals | USA | |
| 9 | Future Pipe Industries | USA | |
| 10 | Unity Tube | USA | |
| 11 | Aviva Metals Inc. | USA | |
| 12 | Alaskan Copper Works | USA | |
| 13 | Tube Methods Inc. | USA | |
| 14 | Cooney Brothers Inc. | USA | |
| 15 | Trenton Pipe Nipple Co. | USA | |
| 16 | Ameritube LLC | USA | |
| 17 | Alloys International Inc. | USA | |
| 18 | Rockwell Industries International Corp. | USA | |
| 19 | Cust-O-Bend | USA | |
| 20 | All Metal Sales Corp | USA | |
| 21 | United Pipe Nipple Company | USA | |
| 22 | CMC Cometals | USA | |
| 23 | Perlen Steel Corp. | USA | |
| 24 | Marcon Engineering Inc. | USA |
