Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Furler Productions
- ArteCultura
- Festival Strings Lucerne - Daniel Dodds