Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Gadget abc Entertainment Group AG
- Lucerne Festival
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- CLAMUS Lucerne
- Furler Productions
- 21st Century Orchestra
- Act Entertainment AG Basel