2022 NAICS national industry in sector 31-33 Manufacturing
334418 Printed Circuit Assembly (Electronic Assembly) Manufacturing
NAICS 334418 is the US industry code for printed circuit assembly (electronic assembly) manufacturing. This U.S.
- Code
- 334418 (2022 NAICS)
- Title
- Printed Circuit Assembly (Electronic Assembly) Manufacturing
- Part of
- Semiconductor and Other Electronic Component Manufacturing
- SBA small business limit
- Up to 750 employees
- Closest UK SIC
- 26110, 26120 (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 loading components onto printed circuit boards or who manufacture and ship loaded printed circuit boards. Also known as printed circuit assemblies, electronics assemblies, or modules, these products are printed circuit boards that have some or all of the semiconductor and electronic components inserted or mounted and are inputs to a wide variety of electronic systems and devices.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing printed circuit laminates are classified in U.S. Industry 334419, Other Electronic Component Manufacturing.
- Manufacturing bare printed circuit boards are classified in U.S. Industry 334412, Bare Printed Circuit Board Manufacturing.
- Manufacturing telephone system components or modules are classified in Industry 334210, Telephone Apparatus Manufacturing.
- Manufacturing finished products that incorporate loaded printed circuit boards are classified in the Manufacturing sector based on the production process of making the final product.
Activities listed under 334418
The Census index assigns these 8 activities to this code. If your business matches one, this is your code.
- Loaded computer boards manufacturing
- Loading printed circuit boards
- Memory boards manufacturing
- Peripheral controller boards manufacturing
- Personal computer modems manufacturing
- Plotter controller boards manufacturing
- Printed circuit assemblies manufacturing
- Printed circuit boards loading
SBA size standard for 334418
To count as a small business for SBA loans and federal contracts under NAICS 334418, your business (including affiliates) must not exceed 750 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: 2610), 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.