List of think tanks in the United States

This article is a list of think tanks in the United States.

List

Conservative

Modern conservatism is associated with some of the foreign policy initiatives of think tanks such as the American Enterprise Institute (AEI) and the Project for the New American Century (PNAC). The Claremont Institute and the Heritage Foundation are more traditional conservative think tanks.

* American Enterprise Institute
* Center for Immigration Studies
* Center for Security Policy
* Claremont Institute
* Committee on the Present Danger
* Foreign Policy Research Institute
* Heritage Foundation
* Hoover Institution
* Hudson Institute
* Manhattan Institute
* Middle East Forum
* National Center for Policy Analysis
* Pacific Research Institute
* Project for the New American Century

Liberal

On the other side of the political spectrum are think tanks such as the Institute for Policy Studies and the Center for American Progress. Economic Policy Institute is a prominent progressive think tank whose research emphasizes interests of low-income and middle-income workers. The Roosevelt Institution is pushing the think tank model by attempting to organize university and college student bodies into effective think tanks.

* Center for American Progress
* Center for Economic and Policy Research
* Center for Progressive Reform
* Center on Budget and Policy Priorities
* Demos
* Economic Policy Institute
* Institute for Policy Studies
* Phoenix Group
* Public Citizen
* Rockridge Institute
* Roosevelt Institution

Centrist

In order to retain non-profit tax-exempt status most think tanks, including those listed above as conservative or liberal, formally claim nonpartisan status. Centrist think tanks include the Atlantic Council of the United States and Center for Strategic and International Studies, non-partisan foreign policy-oriented organizations, the Institute for Collaborative Engagement, a non-partisan internationally-focused organization, and the The Lincoln Square Institute, a non-partisan presidential election forum. Other think tanks include Brookings Institution a center-left organization considered the oldest think tank in America, and the Progressive Policy Institute, a "New Democrat" organization focused on moving the Democratic party in a more centrist direction.

* American Consumer Institute
* American Iranian Council
* Aspen Institute
* Atlantic Council of the United States
* Brookings Institution
* Carnegie Endowment for International Peace
* Center for Discourse on US Healthcare Policy
* Center for Strategic and International Studies
* Committee for Economic Development
* Constitution Project
* Corporation for Enterprise Development
* Council on Foreign Relations
* The Group of 30
* Information Technology and Innovation Foundation
* The Institute for the Study of War
* The Nixon Center
* New America Foundation
* Progressive Policy Institute
* RAND Corporation
* Resources for the Future
* Henry L. Stimson Center
* The Stanley Foundation
* Urban Institute
* Woodrow Wilson International Center for Scholars
* Streit Council for a Union of Democracies

Libertarian

The most prominent is the Cato Institute, a libertarian think tank based in Washington, DC.

* Atlas Economic Research Foundation
* Ayn Rand Institute
* Cascade Policy Institute
* Cato Institute
* Competitive Enterprise Institute
* Foundation for Economic Education
* Foundation for Rational Economics and Education
* Goldwater Institute
* Heartland Institute
* Independent Institute
* Ludwig von Mises Institute
* Mackinac Center for Public Policy
* Mercatus Center
* Progress and Freedom Foundation
* Reason Foundation
* Show-Me Institute

ee also

*Think tank
*List of think tanks
*Social sciences