Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- Zürcher Kammerorchester
- Bach Ensemble Luzern
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- GMkonzerte / Odessa Classics
- Rima Entertainment