Business Directories
Use these resources on any Chicago Public Library computer or on non-Library computers with your Chicago Public Library card.
Hoover's Company Profiles »
Find brief information on more than 40,000 public and private companies. Hoover's Company Profiles delivers information on a company's location, summary financials, top competitors, top officers and more.
ReferenceUSA »
ReferenceUSA provides listings for over 14 million U. S. companies. Includes name, address, phone number, sales volume, contact name, employee size and business description.