Business directories

Use business directories to locate information on a specific company or to develop a list of potential competitors or customers.

Powerful Tools from the Library

ReferenceUSA — Business and consumer research tool. Create marketing plans, conduct competitive analysis, and locate people. Directory of U.S. businesses and residences that can be used to create lists and research companies.

Business Source Premier — Comprehensive business coverage includes company profiles, financial data, investment research, industry reports, and more.


Arizona Daily Star 200 Trend Tracker
Annual listing of Southern Arizona's largest employers.

Arizona Republic 100
Arizona's largest public and privately held companies ranked by number of employees.


Retail Industry Buying Guide
Start here for locating the tools needed to run a successful retail business.

Sweets Catalog
Specializes in products related to building and construction. (formerly Thomas Register)
Search 155,000 U.S. & Canadian companies to find the industrial products or services you need.


EuroPages Business Directory
Covers over 500,000 businesses. Search by type of product or company name.

Includes statistical resources and company directories.

International directory covering over 1.7 million companies from over 60 countries. Registration required to search.

ThomasNet Global Supplier Directory
Thomas Global Register is a directory of more than 700,000 industrial and commercial suppliers from 22 countries.