| [331210] Iron and Steel Pipe and Tube Manufacturing from Purchased Steel |
| [331221] Rolled Steel Shape Manufacturing |
| [331315] Aluminum Sheet, Plate, and Foil Manufacturing |
| [331422] Copper Wire (except Mechanical) Drawing |
| [331524] Aluminum Foundries (except Die-Casting) |
| [332111] Iron and Steel Forging |
| [332115] Crown and Closure Manufacturing |
| [332116] Metal Stamping |
| [332313] Plate Work Manufacturing |
| [332322] Sheet Metal Work Manufacturing |
| [332510] Hardware Manufacturing |
| [332618] Other Fabricated Wire Product Manufacturing |
| [332722] Bolt, Nut, Screw, Rivet, and Washer Manufacturing |
| [332996] Fabricated Pipe and Pipe Fitting Manufacturing |
| [332999] All Other Miscellaneous Fabricated Metal Product Manufacturing |
