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Info Guides - SIC & NAICS

NAICS
The SIC was last updated in 1987. The SIC has been replaced by the North American Industry Classification System (NAICS), which was updated in 2002.
SIC
Search the Standard Industrial Code (SIC) manual by keyword or 4-digit code.
Comparison Charts
See a comparison to previous years, or comparability chart between SIC and NAICS.