Data
- Opera, Operetta
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Zürcher Kammerorchester
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Good News Productions AG