Industry classification codes are numerical systems used to organize information about a particular industry. Industrial classification codes are used by government agencies, market-research firms and throughout various publications. Below are links to search options, in a selection of these codes.
North American Industry Classification System Canada, NAICS Canada 2012
North American Industry Classification System United States, NAICS United States 2012
Standard Industrial Classification (SIC) System Search SIC United States
International Standard Industrial Classification, ISIC UN (Passport database uses the ISIC)
Global Industry Classification Standard GICS (FP Infomart database includes options to use the GICS.)
A collection of businesses directories.