| 1 | Heat Exchange Applied Technology Inc. | | USA |
| 2 | Michigan Seamless Tube | | USA |
| 3 | JSW Steel | | USA |
| 4 | A Metal Source LLC | | USA |
| 5 | Brismet | | USA |
| 6 | Eden Cryogenics LLC | | USA |
| 7 | Helander | | USA |
| 8 | ROSS Mixers | | USA |
| 9 | Precision Welding & Fabrication | | USA |
| 10 | MetalTek International | | USA |
| 11 | WS Hampshire Inc. | | USA |
| 12 | Mueller Streamline Co. | | USA |
| 13 | Sabre Alloys | | USA |
| 14 | Southeast Texas Industries Inc. | | USA |
| 15 | ALRO Products International | | USA |
| 16 | Niche Fluoropolymer Products | | USA |
| 17 | Piping Systems Inc. | | USA |
| 18 | Holloway Co. Inc. | | USA |
| 19 | ABT Inc. | | USA |
| 20 | Farmer’s Marine Copper Works Inc. | | USA |
| 21 | Aviva Metals Inc. | | USA |
| 22 | Sandvik Process Systems LLC | | USA |
| 23 | JFE Steel America Inc. | | USA |
| 24 | P.A. Inc. | | USA |
| 25 | Aquatherm | | USA |
| 26 | Rockwell Industries International Corp. | | USA |
| 27 | Swepco Tube | | USA |
| 28 | MRC Global | | USA |
| 29 | A&A Machine & Fabrication LLC | | USA |
| 30 | Riggins Company | | USA |
| 31 | Cooney Brothers Inc. | | USA |
