- Blast furnaces and steel mills (7)
- Steel wire and related products (2)
- Cold finishing of steel shapes (2)
- Steel pipe and tubes (2)
- Gray and ductile iron foundries (1)
- Steel investment foundries (1)
- Aluminum extruded products (3)
- Aluminum rolling and drawing, nec (1)
- Nonferrous rolling and drawing, nec (2)
- Nonferrous wiredrawing and insulating (1)
- Aluminum die-castings (1)
