- Culverts, sheet metal (1)
- Metal ventilating equipment (2)
- Ducts, sheet metal (2)
- Metal roofing and roof drainage equipment (1)
- Mail (post office) collection or storage boxes, sheet metal (1)
- Awnings, sheet metal (2)
- Canopies, sheet metal (1)
- Concrete forms, sheet metal (1)
- Cooling towers, sheet metal (1)
- Sheet metal specialties, not stamped (1)
