4 NAICS industries for “naics:33531”

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NAICS (North American Industry Classification System) classifies businesses by their primary activity. It is used for government statistics, contracting, marketing, and business research. Learn about NAICS →

  1. 335311 Power, Distribution, and Specialty Transformer Manufacturing

    Manufacturing power, distribution, and specialty transformers.

    Excludes: electronic components.

    258 U.S. business records

  2. 335312 Motor and Generator Manufacturing

    Manufacturing electric motors (except internal combustion engine starting motors), power generators (except battery charging alternators for internal combustion engines), and motor generator sets (except turbine generator set units).

    730 U.S. business records

  3. 335313 Switchgear and Switchboard Apparatus Manufacturing

    Manufacturing switchgear and switchboard apparatus.

    189 U.S. business records

  4. 335314 Relay and Industrial Control Manufacturing

    Manufacturing relays, motor starters and controllers, and other industrial controls and control accessories.

    303 U.S. business records

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Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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