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Industrial and Economic Activities Classification Codes
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Industrial and Economic Activities Classification Codes: Websites
Classification codes are used to describe or define industrial activity in publications and databases.
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Websites
Useful websites
United Nations Statistics Division – Classifications Registry
This site has a useful inventory of international economic and social classifications. Each scheme is referenced with a statement of its purpose and relationship with other international classifications. (Currently under revision)
Office for National Statistics (ONS). UK SIC 2007
Describes the development of the UK SIC scheme and its links to international classifications.
Office for National Statistics (ONS)
Useful general information on national/international standards and classification schemes used for ONS statistics
US Census Bureau
Explains the NAICS history and development, lists the 2002, 2007, 2012, 2017 and 2022 codes and correspondence between earlier versions and SIC
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