Starting with an A, 41 TOP U.S. think-tanks

 

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Action Center on Race and the Economy
Acton Institute
Aerospace
Africa Center for Strategic Studies
AI Now Institute
AidData
Al-Monitor
Al-Shabaka
Alabama Policy Institute
Allegheny Institute
Alliance for Market Solutions
American Academy of Arts & Sciences
American Action Forum
American Civil Liberties Union
American Council for an Energy-Efficient Economy
American Council for Capital Formation
American Council of Trustees and Alumni
American Enterprise Institute
American Foreign Policy Council
American Institute for Contemporary German Studies
American Institute for Economic Research
American Iranian Council
American Legislative Exchange Council
American Press Institute
American Security Project
Anti-Defamation League
App Association
Arab Center Washington DC
Arab Gulf States Institute in Washington
Arctic Institute – Center for Circumpolar Security Studies
Armed Conflict Location & Event Data Project
Ash Center for Democratic Governance and Innovation
Asia Foundation
Asia Society
Aspen Institute
Associated Press-NORC Center for Public Affairs Research
Association of American Educators
Atlantic Council
Atlas Network
Automated Decision Research