- Heating equipment, except electric (1)
- Fabricated structural metal (1)
- Metal doors, sash, and trim (2)
- Sheet metalwork (3)
- Automotive stampings (1)
- Metal stampings, nec (4)
- Plating and polishing (1)
- Valves and pipe fittings, nec (1)
- Fabricated pipe and fittings (1)
