NAICS Code 332312 — Fabricated Structural Metal Manufacturing

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 3 national industries under 33231 (Plate Work and Fabricated Structural Product Manufacturing).

Code	332312
Title	Fabricated Structural Metal Manufacturing
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	500 employees

Official definition (2022 NAICS)

This U.S. industry comprises establishments primarily engaged in fabricating structural metal products, such as assemblies of concrete reinforcing bars and fabricated bar joists.

Is a business under 332312 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 332312 qualifies as a small business if it does not exceed 500 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 332312 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	332	Fabricated Metal Product Manufacturing
Industry Group	3323	Architectural and Structural Metals Manufacturing
NAICS Industry	33231	Plate Work and Fabricated Structural Product Manufacturing
National Industry	332312	Fabricated Structural Metal Manufacturing

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
3441	Fabricated Structural Metal
3449	Miscellaneous Structural Metal Work

Related National Industry codes

• 332311 — Prefabricated Metal Building and Component Manufacturing
• 332313 — Plate Work Manufacturing

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.