2022 NAICS national industry in sector 31-33 Manufacturing
335313 Switchgear and Switchboard Apparatus Manufacturing
NAICS 335313 is the US industry code for switchgear and switchboard apparatus manufacturing. This U.S.
- Code
- 335313 (2022 NAICS)
- Title
- Switchgear and Switchboard Apparatus Manufacturing
- Part of
- Electrical Equipment Manufacturing
- SBA small business limit
- Up to 1,250 employees
- Closest UK SIC
- 27110, 27120 (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 switchgear and switchboard apparatus.
Examples Census gives
- Circuit breakers, power, manufacturing
- Control panels, electric power distribution, manufacturing
- Ducts for electrical switchboard apparatus manufacturing
- Fuses, electric, manufacturing
- Power switching equipment manufacturing
- Switches, electric power (except pushbutton, snap, solenoid, tumbler), manufacturing
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing relays are classified in U.S. Industry 335314, Relay and Industrial Control Manufacturing.
- Manufacturing switches for electronic applications are classified in U.S. Industry 334419, Other Electronic Component Manufacturing.
- Manufacturing snap, pushbutton, and similar switches for electrical circuits are classified in U.S. Industry 335931, Current-Carrying Wiring Device Manufacturing.
Activities listed under 335313
The Census index assigns these 29 activities to this code. If your business matches one, this is your code.
- Air circuit breakers manufacturing
- Bus bar structures, switchgear-type, manufacturing
- Circuit breakers, air, manufacturing
- Circuit breakers, power, manufacturing
- Connectors, power, manufacturing
- Control panels, electric power distribution, manufacturing
- Cubicles (i.e., electric switchboard equipment) manufacturing
- Distribution boards, electric, manufacturing
- Distribution cutouts manufacturing
- Ducts for electrical switchboard apparatus manufacturing
- Fuse clips and blocks, electric, manufacturing
- Fuse mountings, electric power, manufacturing
- Fuses, electrical, manufacturing
- Generator control and metering panels, switchgear-type, manufacturing
- Knife switches, electric power switchgear-type, manufacturing
- Metering panels, electric, manufacturing
- Panelboards, electric power distribution, manufacturing
- Panels, generator control and metering, manufacturing
- Power circuit breakers manufacturing
- Power connectors manufacturing
- Power fuses (i.e., 600 volts and over) manufacturing
- Power switchboards manufacturing
- Power switching equipment manufacturing
- Regulators, power, manufacturing
- Switchboards and parts, power, manufacturing
- Switches, electric power (except pushbutton, snap, solenoid, tumbler), manufacturing
- Switchgear and switchgear accessories manufacturing
- Switching equipment, power, manufacturing
- Time switches, electrical switchgear apparatus, manufacturing
SBA size standard for 335313
To count as a small business for SBA loans and federal contracts under NAICS 335313, your business (including affiliates) must not exceed 1,250 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: 2710), so treat them as a starting point and check the definition.
- 27110Manufacture of electric motors, generators and transformersUK SIC
- 27120Manufacture of electricity distribution and control apparatusUK SIC
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.