Find accurate NAICS code and SIC codes for your business using our identification tools and services. Contact NAICS Association Today

NAICS was developed under the auspices of the Office of Management and Budget (OMB), and adopted in 1997 to replace the Standard Industrial Classification (SIC) system.

Find NAICS codes with our free lookup tool. Search by industry name, business example, alternate name or filter by business sector.

You can use the search feature at the U.S. Census Bureau NAICS main webpage. In the search box for the most recent NAICS, enter a keyword that describes your kind of business. A list of primary …

Use the NAICS Code Lookup Directory to search by activity keywords. Then open the relevant code detail pages to verify definitions and boundaries before selecting the final 6-digit code.

You are able to find your NAICS code on the upper righthand side of your tax return, or by visiting the US Company Lookup Tool by NAISC.com. In some cases, you may have more than one NAICS code.

Easily search and find NAICS codes for your industry to classify your business activities accurately.

Aug 28, 2025 · Learn how to find your NAICS code easily and use it for business classification, compliance, market research, and growth opportunities.

Aug 20, 2025 · To find out your code, you can use our NAICS Code Lookup. Simply enter keywords related to your business activities, and the tool will provide the appropriate code for your industry.

Aug 5, 2025 · Some common methods of looking up a NAICS code include matching it to a company name, translating it from a related SIC code, searching by industry keyword (s), using a drill-down …