| [332312] Fabricated Structural Metal Manufacturing |
| [332322] Sheet Metal Work Manufacturing |
| [332323] Ornamental and Architectural Metal Work Manufacturing |
| [332510] Hardware Manufacturing |
| [332721] Precision Turned Product Manufacturing |
| [332722] Bolt, Nut, Screw, Rivet, and Washer Manufacturing |
| [332919] Other Metal Valve and Pipe Fitting Manufacturing |
| [332996] Fabricated Pipe and Pipe Fitting Manufacturing |
| [332999] All Other Miscellaneous Fabricated Metal Product Manufacturing |
| [333298] All Other Industrial Machinery 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 |
| [333618] Other Engine Equipment Manufacturing |
| [333999] All Other Miscellaneous General Purpose Machinery Manufacturing |
| [336412] Aircraft Engine and Engine Parts Manufacturing |
| [336413] Other Aircraft Parts and Auxiliary Equipment Manufacturing |