| [332710] Machine Shops |
| [332721] Precision Turned Product Manufacturing |
| [332722] Bolt, Nut, Screw, Rivet, and Washer 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 |
| [332911] Industrial Valve Manufacturing |
| [332912] Fluid Power Valve and Hose Fitting Manufacturing |
| [332913] Plumbing Fixture Fitting and Trim Manufacturing |
| [332919] Other Metal Valve and Pipe Fitting Manufacturing |
| [332991] Ball and Roller Bearing Manufacturing |
| [333515] Cutting Tool and Machine Tool Accessory Manufacturing |
| [333516] Rolling Mill Machinery and Equipment Manufacturing |
| [333518] Other Metalworking Machinery Manufacturing |
| [333611] Turbine and Turbine Generator Set Units Manufacturing |
| [333612] Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing |
| [333613] Mechanical Power Transmission Equipment Manufacturing |
