317-622-8970Search all companies →NAICS 331: Primary Metal Manufacturing
NAICS 331 is the North American Industry Classification System code for Primary Metal Manufacturing, a subsector in the Manufacturing sector (31-33). It divides into 5 more specific codes, including Iron and Steel Mills and Ferroalloy Manufacturing (331110), Steel Product Manufacturing from Purchased Steel (3312) and Alumina and Aluminum Production and Processing (3313).
Frequently asked questions
What is NAICS code 331?
NAICS 331 is the code for Primary Metal Manufacturing, a subsector in the North American Industry Classification System (NAICS 2022), under 31-33 (Manufacturing). It has 5 more specific codes: 331110, 3312, 3313 and 3314 and others.
What is the parent code of NAICS 331?
The parent of NAICS 331 is 31-33, Manufacturing. Every company under 331 is also counted under 31-33.