Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Lorenz Hauser Management
- ENCORE! Entertainment AG
- Verein Luzerner Orgelfreunde
- ArteCultura
- ENCORE - Entertainment AG