Data
- Act Entertainment AG Basel
- Bach Ensemble Luzern
- Zentralschweizer Jugendsinfonieorchester ZJSO
- 21st Century Orchestra
- Blasorchester FM Neuenkirch
- GC Events Sagl
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Lorenz Hauser Management
- Secondhand Orchestra
- Act Entertainment AG Basel