Variant of North American Industry Classification System (NAICS) 2022 Version 1.0 for Energy sector
- Non E - Industries not included in the energy sector
- 31-33e - Manufacturing, non E
- 331 - Primary metal manufacturing
- 3314 - Non-ferrous metal (except aluminum) production and processing
- 33141 - Non-ferrous metal (except aluminum) smelting and refining
- 331410 - Non-ferrous metal (except aluminum) smelting and refiningUS
- Date modified: