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Industry Research  Tags: industries  

Use this guide to find industry information.
Last update: Oct 06th, 2009 URL: http://guides.library.duke.edu/industryresearch  Print Guide  RSS Updates

Industry Classifications and Codes             Print Page
  
 

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How to find an industry classification code

North American Industry Classification System (NAICS)

Industry classification codes allow you to identify, define and categorize industries.  They can be used in a number of databases to target information by industry.


Standard Industrial Classification (SIC)

SIC is a four-digit classification system developed in the 1930's for use by the U.S. federal government.  Although still used in some databases, the SIC classification system is no longer being revised.

 

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