Southeastern Legal Foundation Inc 58-1247027 Click to copy GA Civil Rights 13 National Right to Work Legal Defense & Education Foundation Inc 59-1588825 Click to copy VA Crime and Legal 12 Mountain States Legal Foundation 84-0736725 Click to copy CO Civil Rights 11 Bill of Rights Institute 48-0891418 Click to copy VA Unclassified 10 Friends of the Ashbrook Center 34-1581651 Click to copy OH Philanthropy 10 National Center for Public Policy Research Inc 52-1226614 Click to copy DC Public Benefit 10 National Taxpayers Union 52-1009116 Click to copy DC Public Benefit 10 The James Madison Institute for Public Policy Studies Inc 59-2811908 Click to copy FL Public Benefit 10 Daily Caller News Foundation 45-2922471 Click to copy DC Arts and Culture 9 Center for American Liberty 83-0727789 Click to copy VA Crime and Legal 8 Co2 Coalition Inc 47-3722575 Click to copy VA Environment 8 Committee for a Constructive Tomorrow 52-1462893 Click to copy DC Arts and Culture 8 America First Legal Foundation 86-2190372 Click to copy DC Crime and Legal 7 American Council of Trustees and Alumni 52-1870003 Click to copy DC Arts and Culture 7 Citizens United Foundation 54-1626748 Click to copy DC Unclassified 7 Heartland Institute 36-3309812 Click to copy IL Public Benefit 7 Pacific Research Institute for Public Policy 94-2528433 Click to copy CA Philanthropy 7 The Buckeye Institute 31-1278593 Click to copy OH Community Improvement 7 Washington Legal Foundation 52-1071570 Click to copy DC Crime and Legal 7 Aid to the Church in Need Inc 86-1089466 Click to copy NY Religion 6 Americans for Tax Reform 52-1403587 Click to copy DC Public Benefit 6 Evergreen Freedom Foundation 94-3136961 Click to copy WA Unclassified 6 Foundation for Government Accountability Inc 45-2637507 Click to copy FL Public Benefit 6 Heritage Action for America 27-2244700 Click to copy DC Health 6 Landmark Legal Foundation 51-0203802 Click to copy MO Crime and Legal 6 Law Enforcement Legal Defense Fund 52-1095066 Click to copy VA Crime and Legal 6 Moving Picture Institute 20-3237801 Click to copy NY Arts and Culture 6 Taxpayers Protection Alliance 45-0702828 Click to copy DC Public Benefit 6 American Council on Science and Health 13-2911127 Click to copy NY Health 5 Center for Urban Renewal and Education 31-1467594 Click to copy DC Arts and Culture 5 Citizens United 91-1433368 Click to copy DC Human Services 5 Federation for American Immigration Reform 52-1136126 Click to copy DC International 5 Libertas Network 45-5254794 Click to copy UT Public Benefit 5 Liberty Counsel Inc 59-2986294 Click to copy FL Religion 5 The Third Way Foundation Inc 52-1629221 Click to copy DC Public Benefit 5 U S English Foundation Inc 52-1524976 Click to copy DC Civil Rights 5 Accuracy in Media Inc 23-7135837 Click to copy DC Arts and Culture 4 Allvanza 83-1771925 Click to copy DC Education 4 American Action Forum Inc 27-0567765 Click to copy DC Social Science 4 American Conservative Union 52-0810813 Click to copy VA Public Benefit 4 American Cornerstone Institute Inc 86-1545903 Click to copy DC Education 4 American Majority Inc 26-1501154 Click to copy VA Public Benefit 4 Americans for Prosperity 75-3148958 Click to copy VA Community Improvement 4 And Then There Were None 45-3839973 Click to copy TX Human Services 4 Center for Individual Rights 52-1600481 Click to copy DC Civil Rights 4 Center for Security Policy Inc 52-1601976 Click to copy DC International 4 Donors Trust Inc 52-2166327 Click to copy VA Philanthropy 4 Ethics and Public Policy Center Inc 52-1162185 Click to copy DC Public Benefit 4 Franklin Center for Global Policy Exchange 52-1159816 Click to copy DC International 4 Freedom Watch USA Inc 85-2577501 Click to copy FL Public Benefit 4