- Blast furnaces and steel mills (1)
- Steel pipe and tubes (1)
- Gray and ductile iron foundries (1)
- Steel foundries, nec (1)
- Secondary nonferrous metals (2)
- Aluminum sheet, plate, and foil (2)
- Aluminum extruded products (2)
- Aluminum rolling and drawing, nec (1)
- Nonferrous rolling and drawing, nec (1)
- Aluminum die-castings (3)
- Nonferrous die-castings except aluminum (1)
- Aluminum foundries (1)
- Nonferrous foundries, nec (2)
