- Blast furnaces and steel mills (1)
- Electrometallurgical products (1)
- Cold finishing of steel shapes (1)
- Steel pipe and tubes (1)
- Gray and ductile iron foundries (1)
- Primary nonferrous metals, nec (3)
- Secondary nonferrous metals (2)
- Nonferrous rolling and drawing, nec (1)
- Nonferrous wiredrawing and insulating (2)