Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- Blasorchester FM Neuenkirch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- GMkonzerte / Odessa Classics
- Clubraum