The Summer University had several summer courses in cooperation with other academic and professional institutions, and is seeking further co-sponsoring partners in an effort to sustain and further develop the program mission. 

- Annenberg School for Communication, University of Pennsylvania
Benjamin N. Cardozo School of Law, New York
- Center for Global Communication Studies (CGCS)- Columbia Law School
Center for Democracy and Technology
Collegium Budapest
Columbia Law School Public Interest Law Initiative (PILI)
Council of Europe, "Mosaic Project"
Council of Europe
Energy Regulators Regional Association (ERRA)
- Eötvös Lóránd Unievrsity, Budapest, Hungary
European Academic Network of Romany Studies
- European Commission TEMPUS project "Improvement of education on environmental management"
European Commission Tempus project "EnGo – Environmental Governance for Environmental Curricula"
European Commission Reconciling Work and Welfare in Europe
European Commission The Jean Monnet Programme: understanding European integration
European Consortium for Political Research (ECPR)
Economic and Social Research Council
European Cultural Foundation
European Union, Marie Curie Conferences and Training Courses
Fritz Thyssen Stiftung
- Global Public Service Law Project at New York University School of Law
Hamline University School of Law, Minnesota
- Integrity in Action
International Association for the Promotion of Co-operation with Scientists from the New Independent States (NIS) of the Former Soviet Union (INTAS)
- Jean Monnet Center for International and Regional Economic Law & Justice, New York School of Law, Total Law Team
Kulturwissenschaftliches Institut, Essen
Local Government and Public Service Reform Initiative of the Open Society Institute, Budapest
- Max-Planck-Institut für Geschichte
McMaster University, Canada
Medieval Academy of America
- Mental Disability Advocacy Center (MDAC)
- Netherlands Organization for Scientific Research, Vrije Universiteit Amsterdam
New York University School of Law
- Open Society Archives, Budapest
- Open Society Institute
- Open Society Foundation
Overseas Development Institute (UK)
- PHARE Office, Hungary
Regional Environmental Center (REC) for Central and Eastern Europe
Santa Fe Institute, U.S.
- Siemens Integrity Initiative
Sigrid Rausing Trust
Society for Applied Philosophy
Tiri - A Pro-Integrity Policy Network
- Transcend 
UNIDO Institute for Capacity Development
United States Agency for International Development (USAID)
United Nations Development Programme (UNDP)
University of California at Santa Cruz
Vrije Universiteit Amsterdam
World Bank Institute, Washington

Web pages which refer to SUN web site