Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Vokalensemble Luzern
- GMkonzerte
- Lucerne Festival
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Rima Entertainment AG
- Act Entertainment AG Basel