NAICS Code for Primary
The primary NAICS code for Primary is 331 — Primary Metal Manufacturing. Primary Metal Manufacturing is a NAICS subsector (331) that groups together related industry segments. It includes Iron and Steel Mills and Ferroalloy Manufacturing, Steel Product Manufacturing from Purchased Steel, Alumina and Aluminum Production and Processing, Nonferrous Metal (except Aluminum) Production and Processing, among others. Companies in this subsector share similar production processes or provide related services. Typical activities include: Manufacturing is a naics subsector (331) that groups together related indu, Manufacturing from purchased steel.
Primary NAICS Code
331Primary Metal ManufacturingAlso commonly classified as:
331313Alumina Refining and Primary Aluminum ProductionAbout Primary
Primary Metal Manufacturing is a NAICS subsector (331) that groups together related industry segments. It includes Iron and Steel Mills and Ferroalloy Manufacturing, Steel Product Manufacturing from Purchased Steel, Alumina and Aluminum Production and Processing, Nonferrous Metal (except Aluminum) Production and Processing, among others. Companies in this subsector share similar production processes or provide related services.
Typical Business Activities
What's Included
- +Manufacturing is a naics subsector (331) that groups together related indu
- +Manufacturing from purchased steel
How to Determine Your NAICS Code
While 331 (Primary Metal Manufacturing) is the most common classification for primary, your specific code depends on your primary revenue-generating activity. Review the included and excluded activities above to confirm this code fits your business. If your operations span multiple categories, use the code that best represents your largest source of revenue. You can also use the search tool below to describe your specific business activities and find the most accurate match.
Describe Your Business
Need a more specific NAICS code? Search by your business activity or company name: