GuideStar
GuideStar, www.guidestar.org, offers information about the programs and finances of more than 1.7 million IRS-recognized nonprofits. GuideStar promotes public disclosure for and about tax-exempt organizations in order to help people connect with information about America's nonprofit community. With this information, donors of all kinds can make more informed giving decisions.
1701 Pennsylvania Ave. NW
Ste. 300
Washington, DC 20006
Web Site: www.guidestar.org
Phone: 800.421.8656