Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Zürcher Kammerorchester
- Reisefibel Leipzig
- 21st Century Orchestra
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Furler Productions
- Rent-a-Show AG Zürich
- Act Entertainment AG Basel