The North American Industry Classification System (NAICS) is the standard used by Federal
agencies in classifying business establishments for the purpose of collecting, analyzing, and
statistical data related to the U.S. business economy.
This official U.S. Government Web site provides the latest information on plans for NAICS
well as access to various NAICS reference files and tools. Additional information on the
development of NAICS is available in the
section of this Web site.
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