- Belarusian Institute of Strategic Studies
- Bruegel
- Center for European Policy Studies
- Centre for the New Europe
- European Centre for International Political Economy (ECIPE)
- European Enterprise Institute (EEI)
- European Institute for Asian Studies
- European Institute for Research on Mediterranean and Euro-Arab Cooperation (MEDEA)
- European Institute for Security Studies (EUISS)
- European Policy Centre
- European Trade Union Institute (ETUI)
- Foundation for European Progressive Studies
- Friends of Europe
- International Crisis Group (ICG)
- International Security Information Service, Europe
- Open Europe
- The Lisbon Council
