Data
- Act Entertainment AG Basel
- City Light Concerts
- Gadget abc Entertainment Group AG
- Musikschule Stadt Luzern
- Ensemble Corund
- GMkonzerte
- Stargarage AG
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Gadget abc Entertainment Group
- Act Entertainment AG Basel