Bill of Rights Institute 48-0891418 Click to copy VA Unclassified 20 National Right to Work Legal Defense & Education Foundation Inc 59-1588825 Click to copy VA Crime and Legal 19 Donors Trust Inc 52-2166327 Click to copy VA Philanthropy 18 American Council of Trustees and Alumni 52-1870003 Click to copy DC Arts and Culture 17 Daily Caller News Foundation 45-2922471 Click to copy DC Arts and Culture 17 Foundation for Government Accountability Inc 45-2637507 Click to copy FL Public Benefit 17 Independent Womens Forum 54-1670627 Click to copy VA Civil Rights 17 Moving Picture Institute 20-3237801 Click to copy NY Arts and Culture 17 Pacific Research Institute for Public Policy 94-2528433 Click to copy CA Philanthropy 17 The James Madison Institute for Public Policy Studies Inc 59-2811908 Click to copy FL Public Benefit 17 Evergreen Freedom Foundation 94-3136961 Click to copy WA Unclassified 16 Citizens Against Government Waste 52-1363952 Click to copy DC Public Benefit 15 Heartland Institute 36-3309812 Click to copy IL Public Benefit 15 The Buckeye Institute 31-1278593 Click to copy OH Community Improvement 15 Co2 Coalition Inc 47-3722575 Click to copy VA Environment 14 Real Clear Foundation 52-2128875 Click to copy IL Education 14 Americas Future Foundation 52-1928321 Click to copy DC Youth Development 13 Ethics and Public Policy Center Inc 52-1162185 Click to copy DC Public Benefit 13 Mountain States Legal Foundation 84-0736725 Click to copy CO Civil Rights 13 American Institute for Economic Research Inc 04-2121305 Click to copy MA Social Science 12 Americans for Tax Reform 52-1403587 Click to copy DC Public Benefit 12 Center for Individual Rights 52-1600481 Click to copy DC Civil Rights 12 Franklin News Foundation 26-4066298 Click to copy IL Education 12 Institute for Energy Research 76-0149778 Click to copy DC Environment 12 Libertas Network 45-5254794 Click to copy UT Public Benefit 12 Lucy Burns Institute Inc 20-8036372 Click to copy WI Public Benefit 12 National Center for Public Policy Research Inc 52-1226614 Click to copy DC Public Benefit 12 National Taxpayers Union Foundation 52-1122683 Click to copy DC Philanthropy 12 Southeastern Legal Foundation Inc 58-1247027 Click to copy GA Civil Rights 12 Unleash Prosperity Inc 47-3514328 Click to copy MD Public Benefit 12 Friends of the Ashbrook Center 34-1581651 Click to copy OH Philanthropy 11 Institute for Free Speech 20-3676886 Click to copy DC Public Benefit 11 Student Free Press Association 27-2277658 Click to copy MI Education 11 Students for Liberty Incorporated 94-3435899 Click to copy VA Education 11 Young Voices 81-2593815 Click to copy DC Cause Not Recorded 11 Acton Institute for the Study of Religion and Liberty 38-2926822 Click to copy MI Civil Rights 10 Committee for a Constructive Tomorrow 52-1462893 Click to copy DC Arts and Culture 10 Free to Choose Network 52-1455677 Click to copy PA Arts and Culture 10 Ncsl Foundation for State Legislatures 74-2232576 Click to copy CO Public Benefit 10 Speech First Inc 82-3599047 Click to copy DC Civil Rights 10 Atlas Economic Research Foundation 94-2763845 Click to copy VA Social Science 9 Foundation for Cultural Review Inc 13-3108424 Click to copy NY Arts and Culture 9 Young Americans for Liberty Foundation 45-3503672 Click to copy TX Public Benefit 9 Archbridge Institute 47-4252296 Click to copy DC Education 8 Beacon Center of Tennessee 20-1808567 Click to copy TN Public Benefit 8 Becket Fund 52-1858532 Click to copy DC Social Science 8 Council for National Policy 72-0921017 Click to copy DC Public Benefit 8 Defending Education 86-1596460 Click to copy VA Civil Rights 8 Empire Center for Public Policy Inc 46-1987418 Click to copy NY Public Benefit 8 Encounter for Culture and Education Inc 39-1688129 Click to copy NY Arts and Culture 8