Directories of Chicago and Illinois companies kept at the reference desk
*Ref 338.47 CHI Reference Desk
Chicago Area Business Directory
Contains brief information about 356,000 businesses in the Chicago area.

*Ref 338.47 ILL Reference Desk
Illinois Manufacturers Directory
Covers manufacturers, suppliers and business services companies throughout Illinois.

*Ref 338.47 ILL Reference Desk
Illinois Services Directory
Over 25,000 service firms in Illinois are profiled.

*Ref 338.47 LAS Reference Desk
LaSalle Bank Guide
Lists major publicly held corporations headquartered in Illinois.

Nationwide company directories shelved in the reference collection
Ref 338.74 D
D&B Million Dollar Directory
Covers the top 160,000 public and private businesses in the United States.

Ref 338.74 HOO
Hoover’s Handbook of American Business
Detailed information on 750 major U.S. companies.

Ref 338.74 LEX
LexisNexis Corporate Affiliations
Information about divisions, subsidiaries, and branches of major public and private companies in the United States.

Company information databases
Accessible on the resources computers in the library or from home via the library’s website. (Home access is for Downers Grove library cardholders only.)

Million Dollar Database (Illinois)
Dun & Bradstreet’s directory of Illinois companies with either 20 or more employees or $1 million or more in sales.

Reference USA
Nationwide directory of 13 million companies.

Standard and Poor’s NetAdvantage
Information on over 100,000 public and privately held companies.

Magazine and newspaper databases with articles about a company
Accessible on the resources computers in the library or from home via the library’s website. (Home access is for Downers Grove library cardholders only.)

Chicago Tribune
Read articles about a company from one of these newspapers.

Infotrac
Many full-text articles in business magazines and periodicals.

New York Times
Read articles about a company from one of these newspapers.

There also may be information about a company available on the Internet. Use the links on the library’s “Databases & Websites/Business and Finance” page on the library’s website at www.downersgrovelibrary.org, or ask a reference librarian for assistance.

Prepared by Bonnie Reid, February 2008