2022 NAICS national industry in sector 31-33 Manufacturing
333242 Semiconductor Machinery Manufacturing
NAICS 333242 is the US industry code for semiconductor machinery manufacturing. This U.S.
- Code
- 333242 (2022 NAICS)
- Title
- Semiconductor Machinery Manufacturing
- Part of
- Industrial Machinery Manufacturing
- SBA small business limit
- Up to 1,500 employees
- Closest UK SIC
- 28290 (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 wafer processing equipment, semiconductor assembly and packaging equipment, and other semiconductor making machinery.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing printed circuit board manufacturing machinery are classified in U.S. Industry 333248, All Other Industrial Machinery Manufacturing.
- Manufacturing semiconductor testing instruments are classified in U.S. Industry 334515, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals.
Activities listed under 333242
The Census index assigns these 9 activities to this code. If your business matches one, this is your code.
- Etching equipment, semiconductor, manufacturing
- Micro-lithography equipment, semiconductor, manufacturing
- Nanoindentation equipment, semiconductor, manufacturing
- Semiconductor assembly and packaging machinery manufacturing
- Semiconductor making machinery manufacturing
- Surface mount machinery for making printed circuit boards manufacturing
- Thin layer deposition equipment, semiconductor, manufacturing
- Vapor deposition equipment, semiconductor, manufacturing
- Wafer processing equipment, semiconductor, manufacturing
SBA size standard for 333242
To count as a small business for SBA loans and federal contracts under NAICS 333242, your business (including affiliates) must not exceed 1,500 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: 2829), 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.