- Hardware, nec (9)
- Heating equipment, except electric (1)
- Fabricated structural metal (8)
- Metal doors, sash, and trim (3)
- Fabricated plate work (boiler shop) (3)
- Sheet metalwork (1)
- Architectural metalwork (3)
- Prefabricated metal buildings and components (1)
- Miscellaneous metalwork (1)
- Bolts, nuts, rivets, and washers (3)
- Plating and polishing (2)
- Metal coating and allied services (7)
- Miscellaneous fabricated wire products (1)
- Fabricated metal products, nec (13)