- Hardware, nec (2)
- Fabricated structural metal (4)
- Metal doors, sash, and trim (5)
- Sheet metalwork (5)
- Architectural metalwork (5)
- Prefabricated metal buildings and components (3)
- Metal stampings, nec (2)
- Plating and polishing (2)
- Valves and pipe fittings, nec (1)
- Fabricated pipe and fittings (1)
- Fabricated metal products, nec (2)