Allies
- Acton Institute
- Adam Smith Institute
- Alabama Policy Institute
- Allegheny Institute
- Alliance for School Choice
- Alliance for Worker Freedom
- America’s Future Foundation
- American Council on Science and Health
- American Enterprise Institute
- American Institute for Full Employment
- American Legislative Exchange Council (ALEC)
- Americans for Tax Reform
- Arkansas Policy Foundation
- Ashbrook Center for Public Affairs
- Atlas Economic Research Foundation
- Atlas Society
- Beacon Hill Institute
- Becket Fund
- Bluegrass Institute
- Buckeye Institute for Public Policy Solutions
- Business & Media Institute
- Calvert Institute
- Cascade Policy Institute
- Cato Institute
- Center for Consumer Freedom
- Center for College Affordability and Productivity
- Center for Equal Opportunity
- Center for Health Transformation
- Center for Immigration Studies
- Center for International Private Enterprise
- Center for Strategic and International Studies
- Center of the American Experiment
- Charles G. Koch Charitable Foundation
- Citizens Against Government Waste
- Claremont Institute for the Study of Statesmanship and Political Philosophy
- Club For Growth
- Commonwealth Foundation
- Competitive Enterprise Institute
- Council for Affordable Health Insurance
- Empire Center for New York State Policy
- Ethan Allen Institute
- Evergreen Freedom Foundation
- Federalist Society
- Foreign Policy Research Institute
- Fraser Institute
- Foundation for Defense of Democracies
- Foundation for Educational Choice
- Foundation for Education Reform & Accountability
- Foundation for Research on Economics & the Environment
- Free Congress Foundation
- Free State Foundation
- Freedom House
- FreedomWorks
- Galen Institute
- Georgia Public Policy Foundation
- Goldwater Institute
- Grassroot Institute of Hawaii
- Great Plains Public Policy Institute
- Heartland Institute
- The Heritage Foundation
- Hoover Institution
- Hudson Institute
- Illinois Policy Institute
- IMANI Center for Policy & Education
- Independence Institute
- Independent Institute
- Institute for Health Freedom
- Institute for Humane Studies
- Institute for Justice
- Institute for Market Economics
- Institute for Marriage and Public Policy
- Institute for Policy Innovation
- Institute for Research on the Economics of Taxation
- Institute of Economic Affairs
- Intercollegiate Studies Institute
- International Policy Network
- International Republican Institute
- James Madison Institute
- John Jay Institute for Faith, Society & Law
- John Locke Foundation
- Josiah Bartlett Center for Public Policy
- Kansas Policy Institute
- Landmark Legal Foundation
- Leadership Institute
- Lexington Institute
- Mackinac Center for Public Policy
- Maine Heritage Policy Center
- Manhattan Institute
- Maryland Public Policy Institute
- Mercatus Center
- Mississippi Center for Public Policy
- National Center for Policy Analysis
- National Center for Public Policy Research
- National Taxpayers Union
- Nevada Policy Research Institute
- North Dakota Policy Council
- Ocean State Policy Research Institute
- Oklahoma Council of Public Affairs
- Pacific Research Institute
- Palmetto Family Council
- PERC - The Property and Environment Research Center
- Philanthropy Roundtable
- Phoenix Center
- Pioneer Institute for Public Policy Research
- Progress & Freedom Foundation
- Property Rights Alliance
- Public Interest Institute
- Public Policy Foundation of West Virginia
- Reason Foundation
- Rio Grande Foundation
- Sam Adams Alliance
- Science and Public Policy Institute
- Show-Me Institute
- South Carolina Policy Council
- State Policy Network
- Sutherland Institute
- The Tax Foundation
- Tennessee Center for Policy Research
- Texas Public Policy Foundation
- Thomas B. Fordham Foundation
- Thomas Jefferson Institute
- Virginia Institute for Public Policy
- Washington Legal Foundation
- Washington Policy Center
- Wisconsin Policy Research Institute
- Yankee Institute for Public Policy
- Young America’s Foundation
