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2017 North American Industry Classification System (NAICS) Manual

The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy.

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. It was developed jointly by the U.S. Economic Classification Policy Committee (ECPC), Statistics Canada This link to a non-federal Web site does not imply endorsement of any particular product, company, or content., and Mexico's Instituto Nacional de Estadistica y Geografia This link to a non-federal Web site does not imply endorsement of any particular product, company, or content., to allow for a high level of comparability in business statistics among the North American countries.

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. Additional information on the background and development of NAICS is available in the History section of this Web site.

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