| 331210 — Iron and Steel Pipe and Tube Manufacturing from Purchased Steel | Not reported |
| 331221 — Rolled Steel Shape Manufacturing | Not reported |
| 331315 — Aluminum Sheet, Plate, and Foil Manufacturing | Not reported |
| 332312 — Fabricated Structural Metal Manufacturing | Not reported |
| 332313 — Plate Work Manufacturing | Not reported |
| 332322 — Sheet Metal Work Manufacturing | Not reported |
| 332323 — Ornamental and Architectural Metal Work Manufacturing | Not reported |
| 332431 — Metal Can Manufacturing | Not reported |
| 332439 — Other Metal Container Manufacturing | Not reported |
| 332510 — Hardware Manufacturing | Not reported |
| 332618 — Other Fabricated Wire Product Manufacturing | Not reported |
| 332710 — Machine Shops | Not reported |
| 332721 — Precision Turned Product Manufacturing | Not reported |
| 332722 — Bolt, Nut, Screw, Rivet, and Washer Manufacturing | Not reported |
| 332811 — Metal Heat Treating | Not reported |
| 332812 — Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers | Not reported |
| 332813 — Electroplating, Plating, Polishing, Anodizing, and Coloring | Not reported |
| 332996 — Fabricated Pipe and Pipe Fitting Manufacturing | Not reported |
| 332999 — All Other Miscellaneous Fabricated Metal Product Manufacturing | Not reported |
| 333111 — Farm Machinery and Equipment Manufacturing | Not reported |
| 333112 — Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing | Not reported |
| 333120 — Construction Machinery Manufacturing | Not reported |
| 333131 — Mining Machinery and Equipment Manufacturing | Not reported |
| 333132 — Oil and Gas Field Machinery and Equipment Manufacturing | Not reported |
| 333241 — Food Product Machinery Manufacturing | Not reported |
| 333242 — Semiconductor Machinery Manufacturing | Not reported |
| 333248 — All Other Industrial Machinery Manufacturing | Not reported |
| 333310 — Commercial and Service Industry Machinery Manufacturing | Not reported |
| 333511 — Industrial Mold Manufacturing | Not reported |
| 333514 — Special Die and Tool, Die Set, Jig, and Fixture Manufacturing | Not reported |
| 333515 — Cutting Tool and Machine Tool Accessory Manufacturing | Not reported |
| 333517 — Machine Tool Manufacturing | Not reported |
| 333519 — Rolling Mill and Other Metalworking Machinery Manufacturing | Not reported |
| 333612 — Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing | Not reported |
| 333922 — Conveyor and Conveying Equipment Manufacturing | Not reported |
| 333998 — All Other Miscellaneous General Purpose Machinery Manufacturing | Not reported |
| 336370 — Motor Vehicle Metal Stamping | Not reported |
| 336390 — Other Motor Vehicle Parts Manufacturing | Not reported |
| 336411 — Aircraft Manufacturing | Not reported |
| 336414 — Guided Missile and Space Vehicle Manufacturing | Not reported |
| 336415 — Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing | Not reported |
| 336991 — Motorcycle, Bicycle, and Parts Manufacturing | Not reported |
| 336992 — Military Armored Vehicle, Tank, and Tank Component Manufacturing | Not reported |
| 336999 — All Other Transportation Equipment Manufacturing | Not reported |