Americans for Tax Reform 52-1403587 Click to copy DC Public Benefit 11 Citizens Against Government Waste 52-1363952 Click to copy DC Public Benefit 10 Taxpayers Protection Alliance 45-0702828 Click to copy DC Public Benefit 7 R Street Institute 26-3477125 Click to copy DC Education 6 The Third Way Foundation Inc 52-1629221 Click to copy DC Public Benefit 5 American Action Forum Inc 27-0567765 Click to copy DC Social Science 4 Asian Pacific American Institute for Congressional Studies Inc 52-1917903 Click to copy DC Civil Rights 4 Congressional Hispanic Caucus Institute Inc 52-1114225 Click to copy DC Civil Rights 4 Faith and Politics Institute 52-1759052 Click to copy DC Arts and Culture 4 Information Technology Andinnovation Foundation 20-4403497 Click to copy DC Community Improvement 4 Ripon Society Inc 04-2370356 Click to copy DC Arts and Culture 4 Technology Policy Institute 20-5835776 Click to copy DC International 4 The James Madison Institute for Public Policy Studies Inc 59-2811908 Click to copy FL Public Benefit 4 Young Voices 81-2593815 Click to copy DC Cause Not Recorded 4 Advertising Council Inc 13-0417693 Click to copy NY Public Benefit 3 Allvanza 83-1771925 Click to copy DC Education 3 American Action Network Inc 27-0730508 Click to copy DC Human Services 3 American Council of Trustees and Alumni 52-1870003 Click to copy DC Arts and Culture 3 Center for Individual Freedom 54-1916980 Click to copy VA Public Benefit 3 Center for Individual Rights 52-1600481 Click to copy DC Civil Rights 3 Congressional Black Caucus Foundation Inc 52-1160561 Click to copy DC Civil Rights 3 Congressional Black Caucus Politica L Education & Leadership Institute 52-2270607 Click to copy DC Civil Rights 3 Discovery Institute 91-1521697 Click to copy WA Unclassified 3 Evergreen Freedom Foundation 94-3136961 Click to copy WA Unclassified 3 Family Online Safety Institute - US 82-2774079 Click to copy DC Science 3 Free to Choose Network 52-1455677 Click to copy PA Arts and Culture 3 Global Womens Innovation Network 27-1428117 Click to copy DC Employment 3 Heritage Action for America 27-2244700 Click to copy DC Health 3 Internet Education Foundation 31-1577362 Click to copy DC Public Benefit 3 Joint Center for Political and Economic Studies Inc 52-1069070 Click to copy DC Social Science 3 Lgbt Technology Institute 46-4265280 Click to copy VA Human Services 3 National Governors Association Center for Best Practices 23-7391796 Click to copy DC Public Benefit 3 National Taxpayers Union Foundation 52-1122683 Click to copy DC Philanthropy 3 Ncsl Foundation for State Legislatures 74-2232576 Click to copy CO Public Benefit 3 Pelican Institute for Public Policy 26-1704791 Click to copy LA Public Benefit 3 Phoenix Center for Advanced Legal & Economic Public Policy Studies Inc 52-2079266 Click to copy DC Civil Rights 3 Prevent Cancer Foundation 52-1429544 Click to copy VA Medical Research 3 Techfreedom 27-3567814 Click to copy DC Science 3 The Free State Foundation Inc 74-3160646 Click to copy MD Education 3 American Commitment Foundation 81-2956518 Click to copy DC Education 2 American Conservative Union 52-0810813 Click to copy VA Public Benefit 2 American Majority Inc 26-1501154 Click to copy VA Public Benefit 2 Americans for Prosperity Foundation 52-1527294 Click to copy VA Social Science 2 Bipartisan Policy Center Action Inc 26-1299114 Click to copy DC Community Improvement 2 Broadcasters Foundation of America 13-1975618 Click to copy NY Arts and Culture 2 Center for a Free Economy 83-1471221 Click to copy VA Community Improvement 2 Center for Democracy and Technology 52-1905358 Click to copy DC Civil Rights 2 Center for Growth and Opportunity 45-3564310 Click to copy UT International 2 Center Forward 27-2429741 Click to copy VA Public Benefit 2 Center of the American Experiment 36-3611426 Click to copy MN Youth Development 2