Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- Blasorchester FM Neuenkirch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- Migros-Kulturprozent-Classics