Industry SIC Codes / NAICS Codes
Standard Industrial Classification Codes (SIC Codes)
View the SIC Code structure and search the SIC manual by keyword to access descriptive
information for a specified SIC Code.
View SIC Code index structure
Search for a specific SIC Code by
keyword
North American Industry Classification System (NAICS Codes)
The Standard Industrial Classification (SIC) system is being phased out in favor of
the new North American Industry Classification System (NAICS). NAICS industries are identified
by a 6-digit code, in contrast to the 4-digit SIC code. The longer code accommodates the
larger number of sectors and allows more flexibility in designating subsectors.
View NAICS index structure
Search for a specific NAICS
Code by keyword
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