North American Industry Classification System (NAICS) Code ...

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North American Industry Classification System (NAICS) Code and DescriptionsSectionDescription Menu11Agriculture, Forestry, Fishing and Hunting21Mining, Quarrying, and Oil and Gas Extraction22Utilities 23Construction31-33Manufacturing42Wholes ale Trade44-45Retail Trade48-49Transportation and Warehousing51Information52Finance and Insurance53Real Estate and Rental and Leasing54Professional, Scientific and Technical Services55Management of Companies and Enterprises56Administrative and Support and Waste Management and Remediation Services61Education Services62Health Care and Social Assistance71Arts, Entertainment, and Recreation72Accommodation and Food Services81Other Services (except Public Administration)92Public AdministrationTo use this document, please click on NAICS Section code in which you are engaged.

Coating, Engraving, Heat Treating, and Allied Activities. 334300. Audio and Video Equipment Manufacturing. 331100. Iron and Steel Mills and Ferroalloy Manufacturing. 332900. Other Fabricated Metal Product Manufacturing. 334400. Semiconductor and Other Electronic Component Manufacturing

  Heat, Treating, Heat treating