American Council of Trustees and Alumni 52-1870003 Click to copy DC Arts and Culture 27 Bill of Rights Institute 48-0891418 Click to copy VA Unclassified 27 Students for Liberty Incorporated 94-3435899 Click to copy VA Education 26 Moving Picture Institute 20-3237801 Click to copy NY Arts and Culture 25 Americas Future Foundation 52-1928321 Click to copy DC Youth Development 20 Donors Trust Inc 52-2166327 Click to copy VA Philanthropy 20 Evergreen Freedom Foundation 94-3136961 Click to copy WA Unclassified 18 Heartland Institute 36-3309812 Click to copy IL Public Benefit 18 National Center for Public Policy Research Inc 52-1226614 Click to copy DC Public Benefit 18 National Right to Work Legal Defense & Education Foundation Inc 59-1588825 Click to copy VA Crime and Legal 18 Pacific Research Institute for Public Policy 94-2528433 Click to copy CA Philanthropy 18 Americans for Prosperity Foundation 52-1527294 Click to copy VA Social Science 17 Daily Caller News Foundation 45-2922471 Click to copy DC Arts and Culture 17 Young Voices 81-2593815 Click to copy DC Cause Not Recorded 17 American Institute for Economic Research Inc 04-2121305 Click to copy MA Social Science 16 Friends of the Ashbrook Center 34-1581651 Click to copy OH Philanthropy 16 Independent Womens Forum 54-1670627 Click to copy VA Civil Rights 16 Libertas Network 45-5254794 Click to copy UT Public Benefit 16 Ethics and Public Policy Center Inc 52-1162185 Click to copy DC Public Benefit 15 Free to Choose Network 52-1455677 Click to copy PA Arts and Culture 15 Atlas Economic Research Foundation 94-2763845 Click to copy VA Social Science 14 Committee for a Constructive Tomorrow 52-1462893 Click to copy DC Arts and Culture 14 Foundation for Government Accountability Inc 45-2637507 Click to copy FL Public Benefit 14 The James Madison Institute for Public Policy Studies Inc 59-2811908 Click to copy FL Public Benefit 14 Co2 Coalition Inc 47-3722575 Click to copy VA Environment 13 Real Clear Foundation 52-2128875 Click to copy IL Education 13 Acton Institute for the Study of Religion and Liberty 38-2926822 Click to copy MI Civil Rights 12 Franklin News Foundation 26-4066298 Click to copy IL Education 12 Illinois Policy Institute 41-2057028 Click to copy IL Public Benefit 12 The Buckeye Institute 31-1278593 Click to copy OH Community Improvement 12 Archbridge Institute 47-4252296 Click to copy DC Education 11 Emergent Order Foundation Inc 85-3369351 Click to copy TX Education 11 Foundation for Cultural Review Inc 13-3108424 Click to copy NY Arts and Culture 11 Goodman Institute for Public Policy Research 47-2184178 Click to copy TX Civil Rights 11 Mountain States Legal Foundation 84-0736725 Click to copy CO Civil Rights 11 National Taxpayers Union Foundation 52-1122683 Click to copy DC Philanthropy 11 Young Americans for Liberty Foundation 45-3503672 Click to copy TX Public Benefit 11 American Private Radio 46-1414877 Click to copy MS Arts and Culture 10 Bradley Impact Fund Inc 45-4678325 Click to copy WI Philanthropy 10 Center for Independent Thought Inc 52-0945376 Click to copy PA Social Science 10 Center for Individual Rights 52-1600481 Click to copy DC Civil Rights 10 Center for Urban Renewal and Education 31-1467594 Click to copy DC Arts and Culture 10 Institute of World Politics 52-1699641 Click to copy DC International 10 Jack Miller Center for Teaching Americas Founding Principles and 26-1147689 Click to copy PA Philanthropy 10 Lucy Burns Institute Inc 20-8036372 Click to copy WI Public Benefit 10 Vmts Education Inc 84-4459778 Click to copy NY Arts and Culture 10 American Ideas Institute 27-0311492 Click to copy DC Arts and Culture 9 Citizens Against Government Waste 52-1363952 Click to copy DC Public Benefit 9 Georgia Center for Opportunity Inc 58-1928520 Click to copy GA Education 9 Institute for Energy Research 76-0149778 Click to copy DC Environment 9