NAICS Codes Lookup - North American Industry Classification System

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About NAICS Codes

A NAICS Code illustrates the business activity of a company. There are 1,057 unique classified industries as of the latest NAICS 2017 revision. NAICS is frequently used by state governments to offer tax incentives or eligibility for contracts based on specific industries.

Businesses can use the NAICS code lookup tool to find companies within targeted industries for marketing purposes. By identifying the NAICS code of their top clients, they can use this information to reach more customers within that industry.

More About NAICS Codes

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Browse NAICS Code List

Agriculture, Forestry, Fishing, Hunting
Mining, Quarrying, Oil, Gas Extraction
Wholesale Trade
Retail Trade
Transportation and Warehousing
Finance and Insurance
Real Estate, Rental, Leasing
Professional, Scientific, Tech. Services
Mgmt. of Companies & Enterprises
Administrative, Support, Waste Mgmt., Remediation Services
Educational Services
Health Care and Social Assistance
Arts, Entertainment, Recreation
Accommodation and Food Services
Other Services (except Public Administration)
Public Administration

Questions & Answers

  • How many NAICS codes can a company have?

    An establishment may only have one (1) Primary NAICS code, which is determined by the industry that generates the highest revenue or value of shipments. An establishment that operates in more than one (1) activity may have additional Secondary NAICS Codes.

  • How do I apply for a NAICS Code?

    Statistical agencies generally assign NAICS codes based on information provided by a business on a survey, application form, report, or other method.

  • I need a NAICS Code for my business.
    How do I get it?

    Use the NAICS code lookup function on this page and enter a keyword that describes your type of business. A list of primary business activities containing that keyword and the corresponding NAICS Codes will appear. Choose the NAICS code that most closely corresponds to your primary business activity or refine your search accordingly.

    It is important that when you identify your NAICS code, that you double check that you have selected a code that represents the correct Industry Sector. For example, if your business is a shoe manufacturer, do not select a shoe retailer NAICS Code even though that may have appeared as a search result.

  • Who assigns NAICS codes to businesses?

    This varies by government agency, as they each have their own method for assigning NAICS codes to the establishments on their lists. For example, the Social Security Administration assigns a NAICS code to new businesses based on information provided on their application for an EIN number. The Census Bureau generally assigns NAICS codes to businesses based on survey data. The Bureau of Labor Statistics initially assigns a NAICS code based on the business activity information provided on an application for unemployment insurance.