Definition of SIC Code

An SIC Code is a number used to specify what industry a particular company belongs to. The Standard Industrial Classification (SIC) code system was replaced by the North American Industry Classification System (NAICS) in 1997.

You can use our tools to lookup SIC codes and select SIC code mailing lists.

Additional resources:

• SIC Codes (from the SEC)
• NAICS (from the U.S. Census Bureau)