Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Gadget abc Entertainment Group AG
- Musikschule Stadt Luzern
- Zürcher Kammerorchester
- Reisefibel Leipzig
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Furler Productions
- Musikgesellschaft Perlen-Buchrain
- Act Entertainment AG Basel
- Concert Hall
- Lucerne Hall