| [331210] Iron and Steel Pipe and Tube Manufacturing from Purchased Steel |
| [331221] Rolled Steel Shape Manufacturing |
| [331421] Copper Rolling, Drawing, and Extruding |
| [331521] Aluminum Die-Casting Foundries |
| [332117] Powder Metallurgy Part Manufacturing |
| [332322] Sheet Metal Work Manufacturing |
| [332323] Ornamental and Architectural Metal Work Manufacturing |
| [332420] Metal Tank (Heavy Gauge) Manufacturing |
| [332721] Precision Turned Product Manufacturing |
| [332999] All Other Miscellaneous Fabricated Metal Product Manufacturing |
