Provezave
European Commission
Ministries
- Albanian Ministry of Public Works and Transport
- Austrian Federal Ministry for Transport, Innovation and Technology
- Austrian Federal Ministry of Agriculture, Forestry, Environment and Water Management
- Bulgarian Ministry of Transport, Information Technologies and Communications
- Hellenic Ministry of Development, Competitiveness, Infrastructure, Transport and Networks
- Hellenic Ministry of Shipping and the Aegean
- Hungarian Ministry of National Development
- Italian Ministry of Infrastructure and Transport
- Ministry of Sustainable Development and Tourism of Montenegro
- Ministry of Transport and Maritime Affairs of Montenegro
- Romanian Ministry of Transport and Infrastructure
- Slovenian Ministry of Infrastructure and Spatial Planning
Maritime Authorities
- Albanian General Maritime Directorate
- Bulgarian Executive Agency Maritime Administration
- Danube Water Police Captaincy
- Harbor Master of Venice
- Hellenic Coast Guard
- Hungarian National Directorate-General for Disaster Management
- Hungarian National Transport Authority
- Hungarian National Water Management Directorate
- Hungarian Transportation Safety Bureau
- National Company Administration of Danube Ports Giurgiu
- National Company Administration of Lower Danube Galati
- National Company Maritime Danube Ports Administration Galati
- National Company Navigable Canals Constantza Administration
- Österreichische Wasserstraßen-Gesellschaft mbH - via donau
- Romanian Naval Authority
- Slovenian Maritime Administration
Port Authorities
- Alexandroupoli Port Authority S.A.
- Constantza Port
- Corfu Port Authority S.A.
- Durres Port Authority
- Elefsina Port Authority S.A.
- ENNSHAFEN - Port owner: Regional Government of the States Upper Austria and Lower Austria
- Heraklion Port Authority S.A.
- Igoumenitsa Port Authority S.A.
- Kavala Port Authority S.A.
- Lavrion Port Authority S.A.
- Mierka Donauhafen Krems- Port owner: Municipality of Krems
- Patras Port Authority S.A.
- Port Authority of Ravenna
- Port complex of Lom
- Port complex of Ruse
- Port of Burgas
- Port of Saranda
- Port of Shengjin
- Port of Varna
- Port of Vienna
- Port of Vlore
- Port of YBBS
- Port terminal "Rossenetz"
- Ports of Linz AG
- Rafina Port Authority S.A.
- Romano-Port
- Special Agency of the Port of Chioggia (ASPO Chioggia)
- Special Agency of the Port of Monfalcone
- Thessaloniki Port Authority S.A.
- Trieste Port Authority
- Volos Port Authority S.A.