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Marketing & Advertising: Industry Codes

This guide provides key library resources in the areas of marketing and advertising.

NAICS (North American Industry Classification System)

SIC (Standard Industry Codes) & NAICS Comparison

SIC (Standard Industrial Classification) system was developed by the US Government to allow comparison of data and statistics among businesses and industries according to their primary business activity.  The SIC was used by many government agencies until it was updated to the newer NAICS (North American Industrial Classification System) in 2004.  Between 1997 and 2004, both systems were in use.  After 2004, only NAICS is used.

SIC (for historical tracking)

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