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

This official U.S. Government Web site provides the latest information on plans for NAICS revisions, as well as access to various NAICS reference files and tools.

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

Industries by Supersector and NAICS Code This list of industries included in Industries at a Glance is arranged in North American Industry Classification System (NAICS) code order.

NAICS offers five levels of detail. Each digit in the code is part of a series of progressively narrower categories, and the more digits in the code signify greater classification detail. The sixth digit …

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

To find the NAICS code that best fits your business, use the NAICS code lookup tool on this page. Enter a keyword that describes your business type, and a list of relevant primary business activities along …

Our extensive business list not only includes NAICS and SIC industry codes, but also integrates demographic and economic data to provide a complete understanding of each enterprise.

Under "2017 NAICS," you can download an Excel file of either the complete NAICS code hierarchy, ranging from broad 2-digit Sector codes to specific 6-digit U.S. Industry codes, or a list of just the 6 …

Nov 14, 2025 · Information to help you understand the North American Industry Classification System (NAICS), including the structure, sector definitions, & codes not covered.