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Industry Research Guide

NAICS & SIC Codes

When researching specific companies or industries, it is helpful to know how the company is classified. NAICS (North American Industry Classification System) and SIC (Standard Industrial Classification System) codes are needed when doing research on specific industries your business is in or searching information about your competitors.

Industry Research Databases

Other Helpful Resources

Books @ Reference Section

Government Agencies

Databases @ Fresno County Libraries

Search the following business databases using your Fresno County Library ID:

  • Business Source Complete
  • Reference USA
  • Small Business Reference Center