- Hardware, nec (2)
- Plumbing fixture fittings and trim (1)
- Heating equipment, except electric (1)
- Fabricated plate work (boiler shop) (1)
- Sheet metalwork (2)
- Architectural metalwork (2)
- Bolts, nuts, rivets, and washers (1)
- Industrial valves (3)
- Valves and pipe fittings, nec (2)
- Fabricated pipe and fittings (1)
- Fabricated metal products, nec (2)
