- Presidency of the Republic of Italy
- Italian Government – Presidency of the Council of Ministers
- Italian Parliament
- Autonomous Region of Friuli Venezia Giulia
- The Republic of Slovenia
- Presidency of the Republic of Slovenia
- Government of the Republic of Slovenia
- National Assembly of the Republic of Slovenia
- Government Office for Slovenes in the World
- Confederation of Slovenian Organizations (I)
- Union of Slovenian Organizations of the Carinthia (A)
- Community of Carinthian Slovenes (A)
- National Council of Carinthian Slovenes (A)
- Union of Slovenian Associations in Croatia (HR)
- Union of Slovenes in Hungary (H)
- Italian Union (SLO-CRO)