Foundation Directory Online ProfessionalOffers comprehensive information on grantmakers and their grants. FDO Professional provides access to over 235,000 foundations, corporate giving programs, and public charities in the U.S.; over 22.5 million searchable grants; over 2,000,000 in recipient profiles to help you find new prospects and win funding faster; and allows users to connect with key contacts via FDO’s LinkedIn integration tool to begin building those crucial funder connections.