Data
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Ensemble Corund
- GMkonzerte
- Pro Senectute Kanton Luzern
- Stargarage AG
- 21st Century Orchestra
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Act Entertainment AG Basel
- Pro Senectute Kanton Luzern