American Council of Trustees and Alumni 52-1870003 Click to copy DC Arts and Culture 21 Foundation for Cultural Review Inc 13-3108424 Click to copy NY Arts and Culture 17 Pacific Research Institute for Public Policy 94-2528433 Click to copy CA Philanthropy 17 Bill of Rights Institute 48-0891418 Click to copy VA Unclassified 16 Ethics and Public Policy Center Inc 52-1162185 Click to copy DC Public Benefit 16 Moving Picture Institute 20-3237801 Click to copy NY Arts and Culture 16 Daily Caller News Foundation 45-2922471 Click to copy DC Arts and Culture 15 Donors Trust Inc 52-2166327 Click to copy VA Philanthropy 13 Heartland Institute 36-3309812 Click to copy IL Public Benefit 13 Libertas Network 45-5254794 Click to copy UT Public Benefit 13 Independent Womens Forum 54-1670627 Click to copy VA Civil Rights 11 Middle East Forum 23-7749796 Click to copy PA International 11 National Center for Public Policy Research Inc 52-1226614 Click to copy DC Public Benefit 11 The Buckeye Institute 31-1278593 Click to copy OH Community Improvement 11 The James Madison Institute for Public Policy Studies Inc 59-2811908 Click to copy FL Public Benefit 11 American Institute for Economic Research Inc 04-2121305 Click to copy MA Social Science 10 Carnegie Endowment for International Peace 13-0552040 Click to copy DC International 10 Center for Individual Rights 52-1600481 Click to copy DC Civil Rights 10 Institute of International Education Inc 13-1624046 Click to copy NY International 10 Becket Fund 52-1858532 Click to copy DC Social Science 9 Center for Immigration Studies Inc 52-1449368 Click to copy DC Civil Rights 9 Co2 Coalition Inc 47-3722575 Click to copy VA Environment 9 Empire Center for Public Policy Inc 46-1987418 Click to copy NY Public Benefit 9 Evergreen Freedom Foundation 94-3136961 Click to copy WA Unclassified 9 Friends of the Ashbrook Center 34-1581651 Click to copy OH Philanthropy 9 Goodman Institute for Public Policy Research 47-2184178 Click to copy TX Civil Rights 9 Heterodox Academy 82-2903153 Click to copy NY Education 9 Mountain States Legal Foundation 84-0736725 Click to copy CO Civil Rights 9 National Taxpayers Union Foundation 52-1122683 Click to copy DC Philanthropy 9 Real Clear Foundation 52-2128875 Click to copy IL Education 9 State Financial Officers Foundation Inc 46-2604771 Click to copy KS Education 9 Student Free Press Association 27-2277658 Click to copy MI Education 9 Acton Institute for the Study of Religion and Liberty 38-2926822 Click to copy MI Civil Rights 8 American Private Radio 46-1414877 Click to copy MS Arts and Culture 8 American Studies Center 51-0232804 Click to copy VA Social Science 8 Americas Future Foundation 52-1928321 Click to copy DC Youth Development 8 Archbridge Institute 47-4252296 Click to copy DC Education 8 Atlas Economic Research Foundation 94-2763845 Click to copy VA Social Science 8 Center for New American Security Inc 20-8084828 Click to copy DC International 8 Center for Urban Renewal and Education 31-1467594 Click to copy DC Arts and Culture 8 Emergent Order Foundation Inc 85-3369351 Click to copy TX Education 8 Encounter for Culture and Education Inc 39-1688129 Click to copy NY Arts and Culture 8 Fairness Center Inc 46-4482738 Click to copy PA Crime and Legal 8 Free to Choose Network 52-1455677 Click to copy PA Arts and Culture 8 Illinois Policy Institute 41-2057028 Click to copy IL Public Benefit 8 Institute for Energy Research 76-0149778 Click to copy DC Environment 8 National Right to Work Legal Defense & Education Foundation Inc 59-1588825 Click to copy VA Crime and Legal 8 US Chamber of Commerce Foundation 46-1561597 Click to copy DC Education 8 Victims of Communism Memorial Foundation Inc 52-1920858 Click to copy DC Arts and Culture 8 Woodrow Wilson International Center for Scholars 52-1067541 Click to copy DC Social Science 8