2022 NAICS national industry in sector 31-33 Manufacturing
331529 Other Nonferrous Metal Foundries (except Die-Casting)
NAICS 331529 is the US industry code for other nonferrous metal foundries (except die-casting). This U.S.
- Code
- 331529 (2022 NAICS)
- Title
- Other Nonferrous Metal Foundries (except Die-Casting)
- Part of
- Nonferrous Metal Foundries
- SBA small business limit
- Up to 500 employees
- Closest UK SIC
- 24320 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
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.
Cross-references. Establishments primarily engaged in--
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- 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).
- Manufacturing nonferrous castings and further manufacturing them into finished products are classified based on the specific finished product.
Activities listed under 331529
The Census index assigns these 19 activities to this code. If your business matches one, this is your code.
- Beryllium castings (except die-castings), unfinished manufacturing
- Brass foundries (except die-casting)
- Bronze foundries (except die-casting)
- Castings (except die-castings), nonferrous metals (except aluminum), unfinished, manufacturing
- Copper alloy castings (except die-castings), unfinished, manufacturing
- Copper foundries (except die-casting)
- Foundries (except die-casting), nonferrous metals (except aluminum)
- Investment castings, nonferrous metal (except aluminum), unfinished, manufacturing
- Lead castings (except die-castings), unfinished, manufacturing
- Magnesium castings (except die-castings), unfinished, manufacturing
- Nickel castings (except die-castings), unfinished, manufacturing
- Nonferrous metals (except aluminum) foundries (except die-casting)
- Nonferrous metals (except aluminum) unfinished castings (except die-castings) manufacturing
- Permanent mold castings, nonferrous metal (except aluminum), unfinished, manufacturing
- Sand castings, nonferrous metals (except aluminum), unfinished, manufacturing
- Ship and boat propellers, cast brass, bronze and copper (except die-casting), unfinished, manufacturing
- Titanium castings (except die-castings), unfinished, manufacturing
- White metal castings (except die-castings), unfinished, manufacturing
- Zinc castings (except die-castings), unfinished, manufacturing
SBA size standard for 331529
To count as a small business for SBA loans and federal contracts under NAICS 331529, your business (including affiliates) must not exceed 500 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2432), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.