The GuideStar® database contains information on more than 850,000 nonprofit organizations, including more than 640,000 section 501(c)(3) public charities, 60,000 private foundations, and approximately 147,000 other 501(c) organizations to which contributions may be tax deductible. It is the world's premier source of information on U.S. nonprofit organizations.

The GuideStar® database is an initiative of Philanthropic Research, Inc., itself a 501(c)(3) public charity. Founded in 1994, GuideStar's mission is to revolutionize philanthropy and philanthropic practices through information.

For further information, please visit the GuideStar® Web site at GuideStar^® or contact GuideStar's Customer Service Department at customerservice@guidestar.org.

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