Data
- others
- Silvester- und Neujahrskonzerte
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Gadget abc Entertainment Group AG
- Zürcher Kammerorchester
- Reisefibel Leipzig
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Obrasso Concerts
- Concert Hall
- Lucerne Hall