Foundation Directory Online, FDO
The FDO profiles over 220,000 grantmakers and 900,000 recipients, and provides information on over 17 million grants. It covers private, independent, and corporate foundations, U.S. federal funders, public charities, and international foundations. The data in FDO is compiled from IRS Forms 990 and 990-PF, grantmaker websites, annual reports, printed application guidelines, the philanthropic press, and various other sources. Searchable by names of individuals or organizations, subject, geographic focus, population served, and other indexes.