Data
- Act Entertainment AG Basel
- Feldmusik Luzern
- Bach Ensemble Luzern
- Zentralschweizer Jugendsinfonieorchester ZJSO
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Lorenz Hauser Management
- Bliss Music LLC
- ENCORE! Entertainment AG
- Act Entertainment AG Basel