Data
- KKL Luzern Management AG
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Ensemble Corund
- GMkonzerte
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Accademia Barocca Lucernensis
- ENCORE! Entertainment AG
- domino Event SARL