• C.A.P. - Zentrum f. angewandte Politikforschung (München, D)
• Centre for European Studies - Trinity College Dublin (IRL)
• Centre for European Governance - University of Exeter (UK)
• CEPS - Centre for European Policy Studies (Brussels, B)
• The Cicero Foundation (Paris, F; Maastricht, NL)
• ECPR - European Consortium for Political Research (Essex, UK)
• ECSA - European Community Study Association
• EIPA - European Institute of Public Administration (Maastricht, NL)
• ELIAMEP - Hellenic Foundation for European and Foreign Policy (Athen, GR)
• ERCOMER - Europ. Research Centre on Migration and Ethnic Relations (Utrecht, NL)
• ESF - European Science Foundation (Strassburg, F)
• EUI - European University Institute (Florenz, I)
• EUISSs - European Union Institute for Security Studies (Paris, F)
• European Centre for Social Welfare Policy and Research (Wien, A)
• Europa-Kolleg - Institut für Integrationsforschung (Universität Hamburg, D)
• Europa-Institut der Universität des Saarlandes - Universität Saarbrücken (D)
• EuroPlan Portal - European Cooperation for Education, Training, Culture and Research (Firenze, I)
• EZFF - Europäisches Zentrum für Föderalismus-Forschung (Tübingen, D)
• MIRIS - Minority Rights Information System (I)
• MZES - Mannheim Centre for European Social Research (D)
• Observatory of European Foreign Policy - Institut Universitari d’Estudis Europeus (Barcelona, E)
• TEPSA - Trans European Policy Studies Association (Brussels, B)
• The Europa Institute - University of Edinburgh (UK)
• ZEI - Zentrum für Europäische Integrationsforschung (Bonn, D)
• ZEW - Centre for European Economic Research (Mannheim, D)
• CONNEX - Connecting Excellence on European Governance (2004/08)
• KoWi - EU-Koordinierungsstelle der Wissenschaftsorganisationen (Bonn, D)

European Think Tanks (selection)

• Think-tanks and research institutes (EU external action and the EU's role in the world)
• Centre for European Reform (London, UK)
• European Centre for International Political Economy (ECIPE)
• European Laboratory of Political Anticipation (LEAP)
• Think Tank review (Repository of think tank publications; Council of the EU)
• Think Tanks and Research Centres on European Affairs (last update: 2016)
• Think Tank Directory Europe (last update: 2011)