| [331111] Iron and Steel Mills |
| [331221] Rolled Steel Shape Manufacturing |
| [331314] Secondary Smelting and Alloying of Aluminum |
| [331423] Secondary Smelting, Refining, and Alloying of Copper |
| [331492] Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) |
| [332116] Metal Stamping |
| [332214] Kitchen Utensil, Pot, and Pan Manufacturing |
| [332439] Other Metal Container Manufacturing |
| [332618] Other Fabricated Wire Product Manufacturing |
| [332811] Metal Heat Treating |
| [332812] Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers |
| [332813] Electroplating, Plating, Polishing, Anodizing, and Coloring |
| [332912] Fluid Power Valve and Hose Fitting Manufacturing |
| [336411] Aircraft Manufacturing |
| [336412] Aircraft Engine and Engine Parts Manufacturing |
| [336413] Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| [339911] Jewelry (except Costume) Manufacturing |
| [339912] Silverware and Hollowware Manufacturing |
| [339914] Costume Jewelry and Novelty Manufacturing |
