Charities
- Internal Revenue Service
- Search for Exempt Organizations "Here's the place to find out if your organization is exempt from federal taxation and how much of your contributions to them are tax deductible. This is an electronic version of the Publication 78 'Cumulative List of Organizations.'"
- GuideStar includes a searchable database of charitable organizations which file 990 or 990EZ reports with the IRS. "Financial data are taken from the IRS Business Master File and/or the Form 990, a public report filed with the IRS by all 501(c)(3) "public charities" with revenues exceeding $25,000. The descriptive information is derived from the Form 990 as well as from answers to questions provided directly by the organization to Philanthropic Research, Inc., publisher of GuideStar. "
- National Center for Charitable Statistics provides publications, fact sheets, and databases on the income and expenses of non-profits. In addition, it is cooperating with the IRS and other organizations to make scanned images of IRS 990 forms available to the public through its own site.
