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ENT 4340: Technology Entrepreneurship

This guide contains resources that provide information on technology based businesses and industries.

Library databases -  Industry & Market information

                                         What are Industry Codes?

If you are not a business major, industry codes can be kind of confusing -- what are they and what are they used for?   Here is what you need to know:

  • Industry codes are used to classify like businesses together.  This is helpful so that businesses that grow oranges can be compared to other businesses that also grow oranges and coffee shops can be compared to other coffee shops.   They also help us gather some really helpful industry numbers such as industry revenue.
  • Businesses in the United States have used two (2) industry codes.
    • SIC (Standard Industrial Classification) code was developed in the 1930's
    • NAICS (North American Industry Classification System) code was developed in the late 1990's

Here is what the system of industry codes looks like:

The following shows the arrangement of the SIC code:

Major Group



Industry Group Number


Radio & Television Broadcasting Stations

Industry Number


Radio Broadcasting Stations

The following shows the arrangement of the NAICS code:






Broadcasting (except Internet)

Industry Group


Radio Broadcasting Broadcasting

NAICS Industry


Radio Broadcasting

Individual U.S. Industries


Radio Stations

  • Industry codes can be used to research industries,  Several of the databases listed on this page use industry codes as means of organizing or searching for information.
  • You can search for an industry code by going to the U.S. Census page and using the NAICS Lookup option (

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