Access information about the largest public and private foundations in the U.S. and links to foundation web sites. Use the 990 Finder to research Form 990s for non-profits.
Find NCCS printed reference materials as well as data online. Use the "National Taxonomy of Exempt Entities" which has been cross-walked to NAICS codes... useful tool for studying non-profits.
Use this on-line search tool that allows users to select an exempt organization and check certain information about its federal tax status and filings.