For a comprehensive list of relevant library resources go to the
in Company and Industry Information guide.
You can find useful information elsewhere as well, for example:
And finally, always check the date of the information that you are using.
This is not an EXCLUSIVE list. This is a "how to guide" to few databases for measuring marketing performance using consumer and industry information.
Industry classification systems are used by government and business for classifying industries by numerical code.
Many databases allow searching by industry codes to create lists of companies by industry.
Use the following websites to find the codes for industries you are researching: