This major group includes establishments engaged in fabricating ferrous and nonferrous metal products, such as metal cans, tinware, handtools, cutlery, general hardware, nonelectric heating apparatus, fabricated structural metal products, metal forgings, metal stampings, ordnance (except vehicles and guided missiles), and a variety of metal and wire products, not elsewhere classified. Certain important segments of the metal fabricating industries are classified in other major groups, such as machinery in Major Groups 35 and 36; transportation equipment, including tanks, in Major Group 37; professional scientific and controlling instruments, watches, and clocks in Major Group 38; and jewelry and silverware in Major Group 39. Establishments primarily engaged in producing ferrous and nonferrous metals and their alloys are classified in Major Group 33.
- Industry Group 341: Metal Cans And Shipping Containers
- Industry Group 342: Cutlery, Handtools, And General Hardware
- Industry Group 343: Heating Equipment, Except Electric And Warm Air;
- Industry Group 344: Fabricated Structural Metal Products
- Industry Group 345: Screw Machine Products, And Bolts, Nuts, Screws, Rivets, And Washers
- Industry Group 346: Metal Forgings And Stampings
- Industry Group 347: Coating, Engraving, And Allied Services
- Industry Group 348: Ordnance And Accessories, Except Vehicles And
- 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

