Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Zürcher Kammerorchester
- 21st Century Orchestra
- GC Events Sagl
- Smallflower Events GmbH Elsau
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- CH Regionalmedien AG
- GMkonzerte / Odessa Classics
- 21st Century Orchestra