Government administration

• Government of the Republic of Serbia

• Ministry of Construction, Transport and Infrastructure
  
  
• Ministry of Construction, Transport and Infrastructure – Authority for determination of the seaworthiness
  
  
• Ministry of Construction, Transport and Infrastructure – Authority for Transportation of Dangerous Goods 

Public companies

• Public Water Management Company Vode Vojvodine

• Public Water Management Company Srbijavode
  
  

Institutes

• Republic Hydrometeorological Service of Serbia

• The Jaroslav Černi Institute for the Development of Water Resources

Ports and harbours

• Harbour Master Office Belgrade

• Harbour Master Office Pančevo

• Harbour Master Office Bačka Palanka

Educational Institutions

• Faculty of Civil Engineering, University of Belgrade

• Faculty of Transport and Traffic Engineering, University of Belgrade

International Organizations

• Danube Commission (DC)

• International Sava River Basin Commission (ISRBC)

• The World Association for Waterborne Transport Infrastructure (PIANC)
  
  
• International Hydrographic Organization

• United Nations Economic Commission for Europe (UNECE)

• International Commission for the Protection of the Danube River (ICPDR)

• International Maritime Organization (IMO)
  
  

Danube Waterway Administrations

• viadonau – Austrian Waterway Company (Austria)

• SVP - Slovak Water Management Enterprise (Slovakia)

• RSOE – National Association of Radio Distress-signalling and Infocommunications (Hungary)

• AVP – Agency for Inland Waterways (Croatia)

• AFDJ – River Administration of the Lower Danube Galati (Romania)

• EEAEMDR – Executive Agency for Exploration and Maintenance of the Danube River (Bulgaria) AEMDR

Other

• Danube Day

• National Tourism Organization of Serbia
  
  
• Tourist Organization of Belgrade