NAICS Code 331523 — Nonferrous Metal Die-Casting Foundries

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 3 national industries under 33152 (Nonferrous Metal Foundries).

Code	331523
Title	Nonferrous Metal Die-Casting Foundries
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	700 employees

Official definition (2022 NAICS)

This U.S. industry comprises establishments primarily engaged in introducing molten nonferrous metal, under high pressure, into molds or dies to make nonferrous metal die-castings. Establishments in this industry purchase nonferrous metals made in other establishments.

Is a business under 331523 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 331523 qualifies as a small business if it does not exceed 700 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 331523 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	331	Primary Metal Manufacturing
Industry Group	3315	Foundries
NAICS Industry	33152	Nonferrous Metal Foundries
National Industry	331523	Nonferrous Metal Die-Casting Foundries

No direct SIC mapping is shown for this code: it was introduced or redefined after the official 1987 SIC ↔ 2002 NAICS concordance. Use the crosswalk tool to explore related legacy codes.

Related National Industry codes

• 331524 — Aluminum Foundries (except Die-Casting)
• 331529 — Other Nonferrous Metal Foundries (except Die-Casting)

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.