Intercruise
Piet Heinkade 33
1019 BR Amsterdam
Niederlande

BONAVENTURA RIVER CRUISES
Kerkstraat 21
3295 BD s-Gravendeel
Niederlande / Netherlands

KARPATEN TURISM
Str. Teleajen 77A
021466 Bucuresti, sector 2
Rumänien

Prestige Tours
31, George Enescu Street
010303 Bucharest, Sector 1
Rumänien / Romania

Avalon Waterways / Globus Travel Services S.A.
Via alla Roggia
6916 Grancia
Schweiz / Switzerland

Chamber of Commerce of Serbia
Resavska 13-15
11000 Belgrade
Serbien / Serbia

Chamber of Economy of Belgrade
Kneza Milosa 12
11000 Belgrade
Serbien / Serbia

Danube Forum Novi Sad, Vojvodina
Platonova BB
21000 Novi Sad
Serbien / serbia

Port of Belgrade
Francuska 81
11000 Belgrade
Serbien / Serbia

CASINOS AUSTRIA AG
Dr. Karl Lueger-Ring 14
1015 Wien
Österreich

GTA-SKY-WAYS Reiseveranstaltungs GesmbH
Wiedner Hauptstrasse 92
1050 Wien
Österreich / Austria