Data
- Act Entertainment AG Basel
- City Light Concerts
- Konzertchor Klangwerk Luzern
- Zürcher Kammerorchester
- Ensemble Corund
- Zentralschweizer Jugendsinfonieorchester ZJSO
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- Secondhand Orchestra
- Act Entertainment AG Basel