When searching for a company, you should keep in mind that a "business" may
be operating for profit or not. As some directories may differentiate
between the two, you may have less trouble tracking a company that
is not operating for a profit by checking sources that are focused
on this type of organization.
GuideStar: Non-Profit Organization Finder
http://www.guidestar.org/
GuideStar is a searchable database of more than 620,000 nonprofit organizations
in the United States.
The Foundation Directory
(*R-SIBL AS911 .A2.F65 or
Dialog@CARL (EIC)
Listing of American foundations and their fields.
Directory of Tax-Exempt Organizations
(*R-SIBL HJ2337.U6D57)
Annual publication which lists nonprofit organizations as defined by the
fact that they do not have to pay taxes as other businesses do.
The Foundation Center Library
http://foundationcenter.org/newyork/
79 Fifth Avenue New York, NY 10003 Tel: (212) 620-4230
The Center's mission is to foster public understanding of the foundation
field by collecting, organizing, analyzing, and disseminating information
on foundations, corporate giving, and related subjects.