| [331521] Aluminum Die-Casting Foundries |
| [332116] Metal Stamping |
| [332117] Powder Metallurgy Part Manufacturing |
| [332710] Machine Shops |
| [332721] Precision Turned Product Manufacturing |
| [332911] Industrial Valve Manufacturing |
| [332999] All Other Miscellaneous Fabricated Metal Product Manufacturing |
| [333511] Industrial Mold Manufacturing |
| [333512] Machine Tool (Metal Cutting Types) Manufacturing |
| [333513] Machine Tool (Metal Forming Types) Manufacturing |
| [333514] Special Die and Tool, Die Set, Jig, and Fixture Manufacturing |
| [333515] Cutting Tool and Machine Tool Accessory Manufacturing |
| [333518] Other Metalworking Machinery Manufacturing |
