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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

Reference Books

Fresno County Libraries

The Fresno County Libraries offer access to diverse databases and online resources tailored for business research. Discover these resources by using your Fresno County Library Card.