North American Industry Classification System 2022 - North America
33131 Alumina and Aluminum Production and Processing
NAICS 2022 classification code 33131 covers "Alumina and Aluminum Production and Processing" at level 4 of the NAICS 2022 hierarchy.
Level 44 direct subcategories
Is your business really a 33131?Classify itWhere 33131 sits in the NAICS 2022 hierarchy
- >31-33 Manufacturing
- >>331 Primary Metal Manufacturing
- >>>3313 Alumina and Aluminum Production and Processing
- >>>>33131 Alumina and Aluminum Production and Processing
- >>>>33131 Alumina and Aluminum Production and Processing
Subcategories of 33131 Alumina and Aluminum Production and Processing
Frequently asked questions
- What is NAICS 2022 33131?
- NAICS 2022 33131 is "Alumina and Aluminum Production and Processing". NAICS 2022 code 33131 covers "Alumina and Aluminum Production and Processing" at level 4 of the NAICS 2022 hierarchy.
- What does NAICS 2022 33131 include?
- 33131 Alumina and Aluminum Production and Processing contains 4 direct subcategories: 331313 Alumina Refining and Primary Aluminum Production; 331314 Secondary Smelting and Alloying of Aluminum; 331315 Aluminum Sheet, Plate, and Foil Manufacturing; 331318 Other Aluminum Rolling, Drawing, and Extruding.
- What is the parent category of 33131?
- 33131 Alumina and Aluminum Production and Processing sits under 33131 Alumina and Aluminum Production and Processing in the NAICS 2022 hierarchy.
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