| [331491] Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding |
| [331511] Iron Foundries |
| [331528] Other Nonferrous Foundries (except Die-Casting) |
| [332111] Iron and Steel Forging |
| [332112] Nonferrous Forging |
| [332313] Plate Work Manufacturing |
| [332420] Metal Tank (Heavy Gauge) Manufacturing |
| [332710] Machine Shops |
| [332721] Precision Turned Product Manufacturing |
| [332722] Bolt, Nut, Screw, Rivet, and Washer Manufacturing |
| [332993] Ammunition (except Small Arms) Manufacturing |
| [332996] Fabricated Pipe and Pipe Fitting Manufacturing |
| [332999] All Other Miscellaneous Fabricated Metal Product Manufacturing |
| [333415] Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing |
| [333512] Machine Tool (Metal Cutting Types) Manufacturing |
| [333611] Turbine and Turbine Generator Set Units Manufacturing |
| [336412] Aircraft Engine and Engine Parts Manufacturing |
| [336419] Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing |
| [336992] Military Armored Vehicle, Tank, and Tank Component Manufacturing |
