• Acton Institute
  
• Alabama Policy Institute
  
• Allegheny Institute for Public Policy
  
• Alliance for School Choice
  
• American Association of Small Property Owners
  
• American Enterprise Institute
  
• American Legislative Exchange Council
  
• Americans for Prosperity Foundation
  
• Americans for Tax Reform
  
• Arkansas Policy Foundation
  
• Atlantic Legal Foundation
  
• Atlas Foundation
  
• Beacon Hill Institute
  
• Bill of Rights Institute
  
• Bluegrass Institute for Public Policy Solutions
  
• Buckeye Institute (Ohio)
  
• Calvert Institute for Policy Research
  
• Cascade Policy Institute (Oregon)
  
• Cato Institute
  
• Center for Education Reform
  
• Center for Ethics and the Free Market
  
• Center for Individual Freedom Foundation
  
• Center for the Study of Popular Culture
  
• Center of the American Experiment (Minnesota)
  
• Citizens' Council on Health Care
  
• Claremont Institute
  
• Commonwealth Foundation
  
• Competitive Enterprise Institute
  
• Congressional Institute, Inc.
  
• Cornerstone Policy Research
  
• DCI Group
  
• Donors Trust
  
• Education Leaders Council
  
• Ethan Allen Institute (Vermont)
  
• Evergreen Freedom Foundation
  
• Flint Hills Center for Public Policy
  
• Foundation for Education Reform & Accountability
  
• Foundation for Individual Rights in Education
  
• Freedom Works
  
• Freestate Center for Liberty Studies
  
• Fund for American Studies
  
• Galen Institute
  
• Georgia Public Policy Foundation
  
• Goldwater Institute (Arizona)
  
• Grassroot Institute of Hawaii
  
• Heartland Institute (Illinois)
  
• Heritage Foundation
  
• Hoover Institution
  
• Illinois Family Institute
  
• Illinois Policy Institute
  
• Independence Institute (Colorado)
  
• Indiana Policy Review Foundation
  
• Institute for Justice
  
• Institute for Policy Innovation
  
• Institute of the North
  
• International Society for Individual Liberty
  
• James Madison Institute (Florida)
  
• John Locke Foundation (North Carolina)
  
• Josiah Bartlett Center for Public Policy (New Hampshire)
  
• JRocky Mountain Institute for Public Policy
  
• Landmark Legal Foundation
  
• Lexington Institute
  
• Mackinac Center for Public Policy (Michigan)
  
• Maine Heritage Policy Center
  
• Maine Public Policy Institute
  
• Manhattan Institute for Policy Research
  
• Maryland Public Policy Institute
  
• Mercatus Center
  
• Mississippi Center for Public Policy
  
• National Bureau of Economic Research
  
• National Center for Policy Analysis
  
• National Center for Public Policy Research
  
• National Institute for Labor Relations Research
  
• National Right to Work Legal Defense Foundation
  
• National Taxpayers Union
  
• Nevada Policy Research Institute
  
• Ohio Taxpayers Association
  
• Oklahoma Council of Public Affairs
  
• Pacific Legal Foundation
  
• Pacific Research Institute (California)
  
• PERC: The Center for Free Market Environmentalism
  
• Pioneer Institute (Massachusetts)
  
• Progress and Freedom Foundation
  
• Public Interest Institute (Iowa)
  
• Reason Foundation (California)
  
• Rio Grande Foundation
  
• Rocky Mountain Institute for Public Policy
  
• South Carolina Policy Council
  
• Southeastern Legal Foundation
  
• State Policy Network
  
• Sutherland Institute (Utah)
  
• Tax Foundation
  
• Taxpayers Network Incorporated
  
• Tennessee Center for Policy Research
  
• Texas Public Policy Foundation
  
• The Empire Center for NY State Policy: NY State Policy
  
• The Objectivist Center
  
• The Public Policy Foundation of West Virginia: New free market think tank,New free market think tank
  
• Thomas Jefferson Institute
  
• Town Hall
  
• Virginia Institute for Public Policy
  
• Washington Policy Center
  
• Wisconsin Policy Research Institute
  
• Yankee Institute for Public Policy Studies (Connecticut)
  

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