Australia

Australian Institute of International Affairs (AIIA)

Austria

Austrian Institute of International Affairs (OIIP)

Belgium

Centre for European Policy Studies (CEPS)

Canada

The Canadian Institute of International Affairs (CIIA)
The Canadian Institute of Strategic Studies (CISS)

Czech Republic

Czech Institute of International Relations (IIR)

Denmark

Danish Institute for International Studies (DIIS) 

Estonia

Estonian Foreign Policy Institute (EVI)
Estonian Ministry of Foreign Affairs (VM)
International Certre for Defence Studies (RKK)
Estonian Roundtable for Development Cooperation (AKÜ)

Finland

Aleksanteri Institute (AI)
Finnish Institute of International Affairs (FIIA)
Tampere Peace Research Institute (TAPRI)

France

Cicero Foundation
Institut de relations internationales et strategiques (IRIS) 

Germany

Foundation of Economics and Politics (SWP)
German Institute of International Affairs (DGAP)
Institute of European Politics (IEP)

Greece

Greek Institute of International Relations (IDIS)
Research Institute for European and American Studies (RIEAS)

India

Institute for Defense Studies and Analyses (IDSA)

Italy

Italian Institute of International Affairs (IAI)

Japan

Japan Center for International Exchange (JCIE)
Japanese Institute of International Affairs (JIIA)

Latvia

Latvian Institute of International Affairs (LIIA)

Lithuania

Institute of International Relations and Political Science (IIRPS)

The Netherlands

The Netherlands' Institute of International Relations 'Clingendael'
Center for European Security Studies (CESS)

New Zealand

Center for Strategic Studies (CSS)

Norway

International Peace Research Institute (PRIO)
Norwegian Institute of International Affairs (NUPI)

Poland

Polish Institute of International Affairs (PISM)

Portugal

Euro-Mediterranean Study Commission (EuroMeSCo)

Russia

Carnegia Moscow Center
Moscow State Institute of International Relations (MGIMO)

Singapore

Singapore Institute of International Affairs (SIIA)

South Africa

South African Institute of International Affairs (SAIIA)

Sweden

Stockholm Peace Research Institute (SIPRI)
Swedish Institute of International Affairs (UI)

Switzerland

The Geneva Centre for Security Policy (GCSP)
The International Relations and Security Network (IRSN)

Turkey

Center for Eurasian Strategic Studies (AVSAM)
Turkish Foreign Policy Institute (FPI)

United Kingdom

The International Institute for Strategic Studies (IISS)
The Royal Institute of International Affairs (RIIA)

United States of America

Association of Professional Schools of International Affairs (APSIA)
Asia Foundation
Aspen Institute
Brookings Institution
Carnegie Endowment for International Peace
Cato Institute
The Center for Strategic and International Studies (CSIS)
George C. Marshall European Center for Security Studies
Henry Stimson Center
RAND Corporation
Stanley Foundation
The United States Institute of Peace (USIP)