Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Ensemble Corund
- Pro Senectute Kanton Luzern
- Reisefibel Leipzig
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- eco2friendly, c/o Otto Fischer AG
- MyNina Spettacoli sagl
- Festival Strings Lucerne - Daniel Dodds