The Carnegie Endowment for   International Peace is a unique global network of policy research centers in Russia, China, Europe, the Middle East, India, and the U.S.


 The Royal United Services Institute (RUSI) is the world's oldest independent think tank on international defence and security.


Stiftung Wissenschaft und Politik (the German Institute for International and Security Affairs, SWP) advises political decision-makers on international politics and foreign and security policy.


The European Union Institute for Security Studies (EUISS) is the Union’s agency dealing with the analysis of foreign, security and defence policy issues. 


NATO Review is a magazine of the North Atlantic Treaty Organization (NATO) that has been published for over 60 years.


Stockholm International Peace Research Institute (SIPRI): the independent resource on global security.


RealClearDefense (RCD) was created at the request of the Pentagon and Hill staff on the House Armed Services Committee. These groups felt that existing defense coverage was fragmented and there needed to be one place to go for information about military affairs, defense policy, national security, and foreign affairs.


The Foundation for Defense of Democracies is a think tank based in Washington, D.C., focusing on national security and foreign policy.


The Institut français des relations internationales is a think tank dedicated to international affairs, based in Paris, France.


The International Institute for Middle-East and Balkan Studies (IFIMES) in Ljubljana, Slovenia, regularly analyses events in the Middle East and the Balkans.


The Institute for National Security Studies is an independent Israeli research institute and think tank affiliated with Tel Aviv University dealing in areas of national security matters such as military and strategic affairs, terrorism and low intensity conflict, military balance in the Middle East, and cyber warfare.


RAND Corporation ("Research And Development") is an American nonprofit global policy think tank created in 1948 by Douglas Aircraft Company to offer research and analysis to the United States Armed Forces.


Established in Washington, D.C., over 50 years ago, the Center for Strategic and International Studies (CSIS) is a bipartisan, nonprofit policy research organization dedicated to providing strategic insights and policy solutions to help decisionmakers chart a course toward a better world.


The Hague Centre for Strategic Studies (HCSS) was established in 2007 as an independent think tank. 


The Clingendael Institute is an independent think tank and diplomatic academy conducting research and training for governments, civil society and the private sector. Clingendael publishes reports, policy briefs and short analyses, and offers a wide spectrum of training programmes.