Germany (2) 

– Donaubüro – gemeinnützige GmbH, Ulm

– German National Tourist Board

Austria (4)

– ARGE Donau Österreich

– DANUBEPARKS

 response & ability GmbhH

– WWF Danube-Carpathian Programme (WWF-DCP)

Slovakia (4)

– Bratislava Region Board

– Bratislava Tourist Board

– Flora Tour

– Slovak House of Centrope

Hungary (2)

– Hungarian Tourism PLC

– Zsolnay Heritage Management Nonprofit Ltd.

Croatia (2)

– Tourist Board of Vukovar-Srijem County

– International Cooperation Office – TINTL

Serbia (36)

– National Tourism Organisation of Serbia

– Tourist Organization of Belgrade

– Tourism Organisation of Vojvodina

– Tourist Organisation of Municipality Majdanpek

– Tourism Organisation Sremski Karlovci

– Tourist Organisation of Veliko Gradište

– Tourism Organisation of Municipality Golubac

– Tourism Organisation of Municipality Kladovo

– Tourism Organisation of Municipality Negotin

– Tourist Organisation Požarevac

– Tourism Organisation of Smederevo

– Ciklonaut

– About the Danube – for the Danube

– Istar 21 – Cluster for developing tourism along the Danube

– Camping Association of Serbia

– National Association of Handicrafts – Our Hands (NGO)

– Supernatural (NGO)

– Danube in Heart – Dunav u srcu

– National Park Đerdap

– Wild Serbia

– H.T.P. Plaža D.O.O.

– Silver Lake Investment D.O.O.

– Atos Fructum

– Centre for Tourism Research and Studies

– Welcome to Lepenski Vir D.O.O.

– Magelan

– Faculty of Applied Ecology Futura

Nation Museum Zajecar

– The Homeland Museum of Knjaževac

– Panacomp, Wonderland

– Robinson Ltd.

– Veselinov Tourism Consulting

4SE

– UG Volim Banovce

– iBikeBelgrade

Serbia4Youth

Romania (12)

– Travel Communication Romania

– Travel Focus Romania Association

– Danube Office Mehedinti – MH County Council

– Danubius University Galati

– Association of Ecotourism in Romania

– Association Pro – Mehedinti

– Cyclomaniacs

– Alcovin Winery

– Rowmania

– Cycling Romania

– La Mos Fane Lodge

– Bike in Time

Bulgaria (4)

– Bulgarian Association for Alternative Tourism (BAAT)

– Odysseia-in Sport and Travel Agency Ltd.

– Agency for Regional Development and Business Center – Vidin

– Rousse Regional Museum of History

Ukraine (4)

– Agricola (NGO)

– LTD tour operator ‘Vilkovo – Pelican – Tour’

– Department of Culture, International Cooperation and European integration of Odesa City Council

– Salix Ltd.