Data
- Brass music
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Zürcher Kammerorchester
- Zentralschweizer Jugendsinfonieorchester ZJSO
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- CH Regionalmedien AG