Data
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Feldmusik Luzern
- Ensemble Corund
- GMkonzerte
- Stargarage AG
- 21st Century Orchestra
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- Rima Entertainment AG
- Act Entertainment AG Basel