This major group covers establishments engaged in fabricating ferrous and nonferrous metal products, excluding machinery and transportation equipment. It includes manufacturers of metal cans, tinware, hand tools, cutlery, general hardware, heating equipment, structural metal components, and a wide range of fabricated and stamped metal products. Businesses in this group specialize in turning raw and semi-finished metals into essential components used across industries such as construction, defense, manufacturing, and consumer goods. Certain related activities, such as machinery (Major Groups 35 and 36), transportation equipment (Major Group 37), instruments (Major Group 38), and jewelry (Major Group 39), are classified separately. Establishments primarily engaged in producing raw metals and alloys fall under Major Group 33.
Industry Group 341: Metal Cans and Shipping Containers
- 3411 Metal Cans
- 3412 Metal Shipping Barrels, Drums, Kegs, and Pails
Industry Group 342: Cutlery, Handtools, and General Hardware
- 3421 Cutlery
- 3423 Hand and Edge Tools, Except Machine Tools and Handsaws
- 3425 Saw Blades and Handsaws
- 3429 Hardware, Not Elsewhere Classified
Industry Group 343: Heating Equipment, Except Electric and Warm Air
- 3431 Enameled Iron and Metal Sanitary Ware
- 3432 Plumbing Fixture Fittings and Trim
- 3433 Heating Equipment, Except Electric and Warm Air Furnaces
Industry Group 344: Fabricated Structural Metal Products
- 3441 Fabricated Structural Metal
- 3442 Metal Doors, Sash, Frames, Molding, and Trim Manufacturing
- 3443 Fabricated Plate Work (Boiler Shops)
- 3444 Sheet Metal Work
- 3446 Architectural and Ornamental Metal Work
- 3448 Prefabricated Metal Buildings and Components
- 3449 Miscellaneous Structural Metal Work
Industry Group 345: Screw Machine Products, and Bolts, Nuts, Screws, Rivets, and Washers
- 3451 Screw Machine Products
- 3452 Bolts, Nuts, Screws, Rivets, and Washers
Industry Group 346: Metal Forgings and Stampings
- 3462 Iron and Steel Forgings
- 3463 Nonferrous Forgings
- 3465 Automotive Stampings
- 3466 Crowns and Closures
- 3469 Metal Stampings, Not Elsewhere Classified
Industry Group 347: Coating, Engraving, and Allied Services
- 3471 Electroplating, Plating, Polishing, Anodizing, and Coloring
- 3479 Coating, Engraving, and Allied Services, Not Elsewhere Classified
Industry Group 348: Ordnance and Accessories, Except Vehicles and Guided Missiles
- 3482 Small Arms Ammunition
- 3483 Ammunition, Except for Small Arms
- 3484 Small Arms
- 3489 Ordnance and Accessories, Not Elsewhere Classified
Industry Group 349: Miscellaneous Fabricated Metal Products
- 3491 Industrial Valves
- 3492 Fluid Power Valves and Hose Fittings
- 3493 Steel Springs, Except Wire
- 3494 Valves and Pipe Fittings, Not Elsewhere Classified
- 3495 Wire Springs
- 3496 Miscellaneous Fabricated Wire Products
- 3497 Metal Foil and Leaf
- 3498 Fabricated Pipe and Pipe Fittings
- 3499 Fabricated Metal Products, Not Elsewhere Classified