Variant of NAICS 1997 - Goods and services
- 11-33 - Goods
- 31-33 - Manufacturing
- 331 - Primary Metal Manufacturing
- 3311 - Iron and Steel Mills and Ferro-Alloy Manufacturing
- 33111 - Iron and Steel Mills and Ferro-Alloy Manufacturing
- 331110 - Iron and Steel Mills and Ferro-Alloy Manufacturing
- Date modified: