Data
- Radio Pilatus AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- MyNina Spettacoli sagl
- Neo Kultur GmbH
- Festival Strings Lucerne - Daniel Dodds