Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Zentralschweizer Jugendsinfonieorchester ZJSO
- GC Events Sagl
- Good News Productions AG Glattpark
- Accademia Barocca Lucernensis
- eco2friendly, c/o Otto Fischer AG
- ENCORE! Entertainment AG
- Act Entertainment AG Basel