Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Chor der Nationen Luzern
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- eco2friendly, c/o Otto Fischer AG
- Gadget abc Entertainment Group
- Secondhand Orchestra
- Festival Strings Lucerne - Daniel Dodds