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North American Industry Classification System

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Downloadable Files

The following tables provide downloadable files for 2017, 2012, 2007, and 2002.

2017
2017 NAICS Structure with Change Indicator [XLSX, 94KB]
2017 NAICS Structure Summary Table [XLSX, 15KB]
2017 NAICS Definitions [PDF, 3.3MB]
2017 NAICS Descriptions [XLSX, 264KB]
2017 NAICS Industry Cross-References [XLSX, 182KB]
2017 NAICS Index File [XLSX, 498KB]
2-6 digit 2017 Code File [XLSX, 83KB]
6-digit 2017 Code File [XLSX, 45KB]
2012
2012 NAICS Definitions [PDF, 2.1MB]
2012 NAICS Index File [XLS, 2.1MB]
2-6 digit 2012 Code File [XLS, 225KB]
6-digit 2012 Code File [XLS, 127KB]
2007
2007 NAICS Definitions [PDF, 2.6MB]
2007 NAICS Index File [XLS, 7.8MB]
2-6 digit 2007 Code Files [XLS, 247KB] [TXT, 114KB]
6-digit 2007 Code Files [XLS, 137KB] [TXT, 55KB]
2002
2002 NAICS Definitions [PDF, 1.9MB]
2-6 digit 2002 Code File [TXT, 105KB]
6-digit 2002 Code File [TXT, 56KB]

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Source: U.S. Census Bureau | North American Industry Classification System (NAICS) | (888) 756-2427 naics@census.gov | Last Revised: November 14, 2019