2022 NAICS national industry in sector 31-33 Manufacturing

332322 Sheet Metal Work Manufacturing

NAICS 332322 is the US industry code for sheet metal work manufacturing. This U.S.

Code
332322 (2022 NAICS)
Title
Sheet Metal Work Manufacturing
Part of
Ornamental and Architectural Metal Products Manufacturing
SBA small business limit
Up to 500 employees
Closest UK SIC
25110, 25990 (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 manufacturing sheet metal work (except stampings).

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 332322

The Census index assigns these 45 activities to this code. If your business matches one, this is your code.

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 332322

To count as a small business for SBA loans and federal contracts under NAICS 332322, 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: 2511, 2599), 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.