Data
- Obrasso Classic Events GmbH
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GMkonzerte
- Pro Senectute Kanton Luzern
- argovia philharmonic
- Blasorchester FM Neuenkirch
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Act Entertainment AG Basel