Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Radio Pilatus AG *
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Furler Productions
- ENCORE! Entertainment AG
- Festival Strings Lucerne - Daniel Dodds
- Good News Productions AG