Data
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Gadget abc Entertainment Group AG
- Zürcher Kammerorchester
- Lucerne Festival
- GC Events Sagl
- CLAMUS Lucerne
- Smallflower Events GmbH Elsau
- Maya Classics
- GMkonzerte / Odessa Classics
- Act Entertainment AG Basel