SBA Standard NAICS 331524 USA

SBA Size Standard: NAICS 331524 Aluminum Foundries (except Die-Casting) — Small Business Threshold

Size Standard

550

SBA Description

Aluminum Foundries (except Die‑Casting)

Threshold from SBA Changes Receipts

Aluminum Foundries (except Die‑Casting)

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Feature	Description
Official name	SBA Table of Small Business Size Standards
Maintained by	U.S. Small Business Administration (SBA)
Purpose	Defines who qualifies as a small business under each NAICS code
Primary use	Set-aside contracts, SBA lending, certifications, and SAM.gov compliance
This threshold	550

1 Use this SBA standard when checking if your business qualifies as small under NAICS 331524.

2 Use it before bidding on federal set-aside contracts or certifying size status in SAM.gov.

3 Use it when reviewing whether growth in receipts or employees changes your eligibility.

4 Use it when comparing the industry code itself with the compliance threshold tied to that code.