| 1 | Merit Brass Co. | | USA |
| 2 | Valiant Steel | | USA |
| 3 | GreenMount Corp. | | USA |
| 4 | Stainless Shapes Inc. | | USA |
| 5 | Stainless Specialties Inc. | | USA |
| 6 | Quality Pipe Products Inc. | | USA |
| 7 | NLMK Indiana | | USA |
| 8 | United Pipe Nipple Company | | USA |
| 9 | High Purity Technology Inc. | | USA |
| 10 | U.S. Steel Corp. | | USA |
| 11 | Sandvik Process Systems LLC | | USA |
| 12 | Sandvik Materials Technology | | USA |
| 13 | Bushwick Metals LLC | | USA |
| 14 | ABT Inc. | | USA |
| 15 | Island Fitting | | USA |
| 16 | Webco | | USA |
| 17 | Ultraflo Systems Inc | | USA |
| 18 | Mil-Spec Industries | | USA |
| 19 | Gs-Hydro US Inc. | | USA |
| 20 | Sharon Tube Co. | | USA |
| 21 | Chicago Tube & Iron Co. | | USA |
| 22 | U.S. Industrial Piping Inc. | | USA |
| 23 | American Piping Products Inc. | | USA |
| 24 | Infra-Metals Co. | | USA |
| 25 | Ferralloy Inc. | | USA |
| 26 | Penn Stainless Products Inc. | | USA |
| 27 | Eagle Stainless Tube & Fabrication Inc. | | USA |
| 28 | Morris Coupling Co. | | USA |
| 29 | A-1 Alloys | | USA |
| 30 | Haskel International | | USA |
| 31 | Reliable Source Inc. | | USA |
| 32 | Aero Industries | | USA |
| 33 | Mega Steel & Tube | | USA |
| 34 | Metal Cutting Corp. | | USA |
| 35 | MetalTek International | | USA |
| 36 | Mueller Streamline Co. | | USA |
| 37 | Coremark Metals | | USA |
| 38 | Cargill Inc. | | USA |
| 39 | Vita Needle Co. | | USA |
| 40 | MRC Global | | USA |
| 41 | Duraflex Inc. Metal Bellows | | USA |
| 42 | Haitima Corp. | | USA |
| 43 | National Tube Supply | | USA |
| 44 | Michigan Seamless Tube | | USA |
| 45 | DBJ Corporation | | USA |
| 46 | Industrial Supply & Rental | | USA |
| 47 | PDM Steel Service Centers Inc. | | USA |
