331314 — Secondary Smelting and Alloying of Aluminum
Description
This U.S. industry comprises establishments primarily engaged in (1) recovering aluminum and aluminum alloys from scrap and/or dross (i.e., secondary smelting) and making billet or ingot (except by rolling) and/or (2) manufacturing alloys, powder, paste, or flake from purchased aluminum (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3341 - Secondary Smelting and Refining of Nonferrous Metals (via SIC1987:3341→NAICS1997:331314→2002:331314→2007:331314→2012:331314→2017:331314→2022:331314)
- SIC 3399 - Primary Metal Products, NEC (via SIC1987:3399→NAICS1997:331314→2002:331314→2007:331314→2012:331314→2017:331314→2022:331314)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 9630 — Additive Metal Materials
- PSC 9640 — Iron and Steel Primary and Semifinished Products
- PSC 9650 — Nonferrous Base Metal Refinery and Intermediate Forms
- PSC 9660 — Precious Metals Primary Forms
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 331314 valid in 2022? ▾
Yes, 331314 is a valid 6-digit 2022 NAICS national industry code representing 'Secondary Smelting and Alloying of Aluminum' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 331314? ▾
The Small Business Administration (SBA) has established a small business size standard of 750 employees for NAICS code 331314 (Secondary Smelting and Alloying of Aluminum), calculated based on employees.
What is the legacy SIC equivalent for NAICS 331314? ▾
According to official Census Bureau concordance tables, NAICS code 331314 (Secondary Smelting and Alloying of Aluminum) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3341 - Secondary Smelting and Refining of Nonferrous Metals, 3399 - Primary Metal Products, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 331314:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 331314 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Secondary Smelting and Alloying of Aluminum).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.