Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- Pro Senectute Kanton Luzern
- argovia philharmonic
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Furler Productions
- Festival Strings Lucerne - Daniel Dodds
- Pro Senectute Kanton Luzern