Variant of NAICS 2012 - Durable / non-durable manufacturing industries
- 31-33 - Manufacturing
- 31-33d - Durable manufacturing industries
- 331 - Primary metal manufacturing
- 3315 - Foundries
- 33151 - Ferrous metal foundries
- 331511 - Iron foundriesUS
- 331514 - Steel foundriesCAN
- Date modified: