- Blast furnaces and steel mills (8)
- Steel wire and related products (4)
- Primary nonferrous metals, nec (1)
- Aluminum rolling and drawing, nec (1)
- Nonferrous rolling and drawing, nec (3)
- Nonferrous wiredrawing and insulating (2)
- Nonferrous die-castings except aluminum (1)
- Aluminum foundries (1)
- Copper foundries (2)
- Primary metal products (2)
