Americans for Tax Reform 52-1403587 Click to copy DC Public Benefit 5 House Majority Forward 83-4185105 Click to copy DC Community Improvement 5 American Action Network Inc 27-0730508 Click to copy DC Human Services 4 National Governors Association Center for Best Practices 23-7391796 Click to copy DC Public Benefit 4 Ncsl Foundation for State Legislatures 74-2232576 Click to copy CO Public Benefit 4 Republican Governors Public Policy Committee 20-0309803 Click to copy DC Public Benefit 4 State Government Leadership Foundation 20-0505849 Click to copy DC Public Benefit 3 The Congressional Institute Inc 52-1504189 Click to copy VA Public Benefit 3 US Chamber of Commerce Foundation 46-1561597 Click to copy DC Education 3 A Public Voice Inc 45-5348055 Click to copy VA Public Benefit 2 American Action Forum Inc 27-0567765 Click to copy DC Social Science 2 American Policy Coalition 45-3213088 Click to copy VA Public Benefit 2 American Principles Project 26-4613397 Click to copy VA Civil Rights 2 Club for Growth 20-4681603 Click to copy DC Public Benefit 2 Congressional Black Caucus Foundation Inc 52-1160561 Click to copy DC Civil Rights 2 Keystone Center 84-0688506 Click to copy CO Environment 2 National Association of Regulatory Utility Commissioners 53-0204609 Click to copy DC Public Benefit 2 National Taxpayers Union 52-1009116 Click to copy DC Public Benefit 2 Prevent Cancer Foundation 52-1429544 Click to copy VA Medical Research 2 Prosperity Alliance Inc 82-1420326 Click to copy VA Public Benefit 2 Resources for the Future Inc 53-0220900 Click to copy DC Environment 2 Revitalization Project 27-1983994 Click to copy VA Community Improvement 2 Taxpayers Protection Alliance 45-0702828 Click to copy DC Public Benefit 2 Washington Legal Foundation 52-1071570 Click to copy DC Crime and Legal 2 A Great Louisiana Inc 81-0750578 Click to copy LA Community Improvement 1 Aaplog Action 99-1353314 Click to copy IN Civil Rights 1 Adap Advocacy Association 26-0482120 Click to copy NC Disease and Disorders 1 Advancing Freedom Inc 46-5680995 Click to copy OK Civil Rights 1 African American Mayors Association Inc 46-5593933 Click to copy DC Community Improvement 1 Agudath Israel of Baltimore Inc 52-1101027 Click to copy MD Religion 1 Aim Health Institute 46-5542911 Click to copy DC Medical Research 1 Alabama Hospital Association Inc 63-0338569 Click to copy AL Health 1 All Hazards Consortium Inc 26-0275096 Click to copy MD Human Services 1 Alliance for Aging Research 54-1379174 Click to copy DC Medical Research 1 Alliance for Health Policy 52-1746328 Click to copy DC Mental Health 1 Alliance to Fight for Health Care 81-1362774 Click to copy DC Housing 1 Alliance to Save Energy 52-1082991 Click to copy DC Environment 1 American Association of Blacks in Energy 84-0782569 Click to copy DC Civil Rights 1 American Association of Veterinary Medical Colleges 36-6144553 Click to copy DC Education 1 American Autoimmune Related Diseases Association 38-3027574 Click to copy MI Disease and Disorders 1 American Benefits Council 06-6100040 Click to copy DC Mutual Benefit 1 American Brain Coalition 20-1852597 Click to copy MN Disease and Disorders 1 American Cancer Society Cancer Action Network Inc 52-2340031 Click to copy DC Medical Research 1 American Compass Inc 84-4031579 Click to copy DC Civil Rights 1 American Consumer Institute Center for Citizen Research 20-8601897 Click to copy VA Education 1 American Council for Capital Formation 52-0991278 Click to copy DC Community Improvement 1 American Council for Capital Formation Center for Policy Resear 52-1091172 Click to copy DC Public Benefit 1 American Democracy Alliance 26-0623149 Click to copy MO Public Benefit 1 American Energy Institute 47-3862000 Click to copy TX Environment 1 American Exceptionalism Institute Inc 82-1152730 Click to copy VA Community Improvement 1