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View All Topics and Subtopics Index A to Z
Age and Sex Business and Economy Education Emergency Management / Disasters Employment Families and Living Arrangements Geography Health Hispanic Origin Housing Income and Poverty International Trade Migration/Geographic Mobility Population Population Estimates Public Sector Race Redistricting Research Voting and Registration
Explore data on data.census.gov View all data resources
Census Academy Combining Data Data Equity Tools Data Tools and Apps Datasets Developers Experimental Data Products Interactive Maps Mapping Files Profiles Related Sites Software Tables Training and Workshops Visualizations
Survey Help View all Surveys & Programs
2020 Census 2030 Census American Community Survey (ACS) American Housing Survey (AHS) Annual Business Survey (ABS) Annual Integrated Economic Survey (AIES) Census of Governments County Business Patterns (CBP) Current Population Survey (CPS) Economic Census Household Pulse Survey International Programs Metro and Micro Areas Population Estimates Population Projections Small Area Income and Poverty Statistics of U.S. Businesses Survey of Income and Program Participation (SIPP)
View all library resources Glossary
America Counts: Stories Audio Blogs By the Numbers Facts for Features Fact Sheets Infographics and Visualizations Photos Publications Spotlights Stats for Stories Training (Census Academy) Videos Working Papers

Industry Reference Files

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Industry Reference Files

Statistics of U.S. Businesses (SUSB) data are published  by NAICS code for 1998 to current reference year and by SIC for 1988-1997.

North American Industry Classification System (NAICS):
txt 2017 NAICS (2017-2021) [<1.0 MB]
txt 2012 NAICS (2012-2016) [<1.0 MB]
txt 2007 NAICS (2008-2011) [<1.0 MB]
txt 2002 NAICS (2003-2007) [<1.0 MB]
txt 1997 NAICS (1998-2002) [<1.0 MB]
Standard Industrial Classification (SIC):
txt SIC (1988-1997) [<1.0 MB]
Page Last Revised - November 21, 2023
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