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Industry Information: Industry Classification Codes (SIC/NAIC)

Industry Classification Codes (SIC/NAIC)

To find the SIC Code for your industry or product, consult the SIC website at U.S. Department of Labor SIC search.
What is an SIC code? View at SICCODE.com

To find the NAIC code for your industry or product, consult the North American Industry Classification System - REF HF 1042 .N6. Or check out the website at http://www.census.gov/epcd/www/naics.html.

To convert SIC codes to NAIC codes (or vice versa) use http://www.census.gov/eos/www/naics/concordances/concordances.html