Nonprofit Organizations

Charity Navigator
Publisher: Charity Navigator

Cumulative list of organizations described in section 170 (c) of the Internal Revenue Code of 1954.
Publisher: U.S. Internal Revenue Service
Catalog Record

For Charities and Donors: BBB Wise Giving Alliance
Publisher: Better Business Bureau

Foundation Center
Publisher: Foundation Center

GuideStar: The Donor's Guide to the Nonprofit Universe
Publisher: Philanthropic Research, Inc.
Catalog Record

National Center for Charitable Statistics
Publisher: National Center for Charitable Statistics

USA.gov for Nonprofits
Publisher: First.gov