Citizens Against Government Waste 52-1363952 Click to copy DC Public Benefit 20 Heartland Institute 36-3309812 Click to copy IL Public Benefit 19 American Council of Trustees and Alumni 52-1870003 Click to copy DC Arts and Culture 18 Committee for a Constructive Tomorrow 52-1462893 Click to copy DC Arts and Culture 18 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 Co2 Coalition Inc 47-3722575 Click to copy VA Environment 14 National Center for Public Policy Research Inc 52-1226614 Click to copy DC Public Benefit 14 National Right to Work Legal Defense & Education Foundation Inc 59-1588825 Click to copy VA Crime and Legal 14 The Buckeye Institute 31-1278593 Click to copy OH Community Improvement 14 Bill of Rights Institute 48-0891418 Click to copy VA Unclassified 13 Evergreen Freedom Foundation 94-3136961 Click to copy WA Unclassified 13 Mountain States Legal Foundation 84-0736725 Click to copy CO Civil Rights 13 Southeastern Legal Foundation Inc 58-1247027 Click to copy GA Civil Rights 13 Center for Individual Rights 52-1600481 Click to copy DC Civil Rights 12 Donors Trust Inc 52-2166327 Click to copy VA Philanthropy 12 Foundation for Government Accountability Inc 45-2637507 Click to copy FL Public Benefit 12 Pacific Research Institute for Public Policy 94-2528433 Click to copy CA Philanthropy 12 Americas Future Foundation 52-1928321 Click to copy DC Youth Development 11 American Institute for Economic Research Inc 04-2121305 Click to copy MA Social Science 10 Franklin News Foundation 26-4066298 Click to copy IL Education 10 Independent Womens Forum 54-1670627 Click to copy VA Civil Rights 10 Atlas Economic Research Foundation 94-2763845 Click to copy VA Social Science 9 Empire Center for Public Policy Inc 46-1987418 Click to copy NY Public Benefit 9 Ethics and Public Policy Center Inc 52-1162185 Click to copy DC Public Benefit 9 Friends of the Ashbrook Center 34-1581651 Click to copy OH Philanthropy 9 Libertas Network 45-5254794 Click to copy UT Public Benefit 9 Real Clear Foundation 52-2128875 Click to copy IL Education 9 The James Madison Institute for Public Policy Studies Inc 59-2811908 Click to copy FL Public Benefit 9 Washington Legal Foundation 52-1071570 Click to copy DC Crime and Legal 9 Young Voices 81-2593815 Click to copy DC Cause Not Recorded 9 Acton Institute for the Study of Religion and Liberty 38-2926822 Click to copy MI Civil Rights 8 American Council on Science and Health 13-2911127 Click to copy NY Health 8 American Private Radio 46-1414877 Click to copy MS Arts and Culture 8 Center for Urban Renewal and Education 31-1467594 Click to copy DC Arts and Culture 8 Foundation for Cultural Review Inc 13-3108424 Click to copy NY Arts and Culture 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 Taxpayers Union Foundation 52-1122683 Click to copy DC Philanthropy 8 Accuracy in Media Inc 23-7135837 Click to copy DC Arts and Culture 7 Americans for Prosperity Foundation 52-1527294 Click to copy VA Social Science 7 Archbridge Institute 47-4252296 Click to copy DC Education 7 Citizens United Foundation 54-1626748 Click to copy DC Unclassified 7 Goodman Institute for Public Policy Research 47-2184178 Click to copy TX Civil Rights 7 Institute for Free Speech 20-3676886 Click to copy DC Public Benefit 7 Landmark Legal Foundation 51-0203802 Click to copy MO Crime and Legal 7 Lucy Burns Institute Inc 20-8036372 Click to copy WI Public Benefit 7 National Taxpayers Union 52-1009116 Click to copy DC Public Benefit 7 State Financial Officers Foundation Inc 46-2604771 Click to copy KS Education 7