| [332312] Fabricated Structural Metal Manufacturing |
| [332313] Plate Work Manufacturing |
| [332710] Machine Shops |
| [332994] Small Arms Manufacturing |
| [332995] Other Ordnance and Accessories Manufacturing |
| [332999] All Other Miscellaneous Fabricated Metal Product Manufacturing |
| [333512] Machine Tool (Metal Cutting Types) Manufacturing |
| [333514] Special Die and Tool, Die Set, Jig, and Fixture Manufacturing |
| [333612] Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing |
| [333613] Mechanical Power Transmission Equipment Manufacturing |
| [333999] All Other Miscellaneous General Purpose Machinery Manufacturing |
| [336399] All Other Motor Vehicle Parts Manufacturing |
| [336411] Aircraft Manufacturing |
| [336412] Aircraft Engine and Engine Parts Manufacturing |
| [336413] Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| [336414] Guided Missile and Space Vehicle Manufacturing |
| [336415] Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing |
| [336419] Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing |
| [339111] Laboratory Apparatus and Furniture Manufacturing |
