331529 — Other Nonferrous Metal Foundries (except Die-Casting)
Description
This U.S. industry comprises establishments primarily engaged in pouring molten nonferrous metals (except aluminum) into molds to manufacture nonferrous castings (except nonferrous die-castings and aluminum castings). Establishments in this industry purchase nonferrous metals, such as copper, nickel, lead, and zinc, made in other establishments.
Exclusions & Cross-References
- Manufacturing nonferrous die-castings--are classified in U.S. Industry 331523, Nonferrous Metal Die-
- Casting Foundries;
- Pouring molten aluminum into molds to manufacture aluminum castings--are classified in U.S. Industry
- 331524, Aluminum Foundries (except Die-Casting); and
- Manufacturing nonferrous castings and further manufacturing them into finished products--are classified
- based on the specific finished product.
Overview Facts
| NAICS Code | 331529 |
|---|---|
| Industry Title | Other Nonferrous Metal Foundries (except Die-Casting) |
| SBA Size Standard | 500 employees |
| IRS PBA Code | 331500 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 331 → 3315 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3366 - Copper Foundries (via SIC1987:3366→NAICS1997:331525→2002:331525→2007:331525→2012:331529→2017:331529→2022:331529)
- SIC 3369 - Nonferrous Foundries, Except Aluminum and Copper (via SIC1987:3369→NAICS1997:331528→2002:331528→2007:331528→2012:331529→2017:331529→2022:331529)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 331529:
- 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.
- 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.
Related Industries in 3315
Frequently Asked Questions (FAQ)
Is 331529 a valid 2022 NAICS code?
NAICS 331529 is 'Other Nonferrous Metal Foundries (except Die-Casting)', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 500 employees.
What is the SBA size standard for NAICS 331529?
The SBA small business size standard for NAICS 331529 is 500 employees (based on employees).
What is the legacy SIC code mapping for 331529?
NAICS code 331529 maps to the legacy 1987 SIC codes: 3366 - Copper Foundries, 3369 - Nonferrous Foundries, Except Aluminum and Copper.