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
- 3312 - Steel product manufacturing from purchased steel
- 33121 - Iron and steel pipes and tubes manufacturing from purchased steel
- 331210 - Iron and steel pipes and tubes manufacturing from purchased steel
- 33122 - Rolling and drawing of purchased steel
- 331221 - Cold-rolled steel shape manufacturingUS
- 331222 - Steel wire drawingUS
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