Czech Republic

• Center for Democracy and Culture (CDK), Brno
• Center for Economic Research and Graduate Education (CERGE)
• Center for Economics and Politics (CEP)
• Center for Social and Economic Studies (CESES)
• CEVRO - Liberal Conservative Academy
  
• Civic Institute
• Czech Donors Forum
• Gabal Analysis & Consulting (GAC)
  
• Institute for Social and Economic Analyses (ISEA)
  
• Liberal Institute (LI)
• Parliamentary Institute
• VIA Foundation

Hungary

• Economic Research Co. - GKI
• Institute for World Economics
• TARKI

          Poland

• Adam Smith Research Center
• Centre for Political Thought (OMP), Krakow
• Center for Social Economic Analysis (CASE)
• Institute of Public Affairs (ISP)
• Institute for Strategic Studies (ISS)
• KLON/JAWOR
• Transparency International - Poland

Slovakia

• Central European Institute for Economic and Social Reforms (INEKO)
• Institute of Public Affairs (IVO)
• M.E.S.A.10
• Slovak Governance Institute (SGI)
• Social Policy Research Center (S.P.A.C.E.)

• Think Tanks in Central and Eastern Europe: A Comprehensive Directory  (1999) 2nd Edition, 
           Freedom House, Washington -  in PDF (Acrobat)

• - Introduction
• - Czech Republic
• - Hungary
• - Poland
• - Slovakia

 
• World Directory of Think Tanks (2002) NIRA - Nat. Institute For Research Advancement, Tokyo, Japan