Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Feldmusik Luzern
- Zürcher Kammerorchester
- GMkonzerte
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Gadget abc Entertainment Group
- Lucerne Chamber Circle