Data
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- GC Events Sagl
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- ENCORE! Entertainment AG
- Klavier-Fest | LUCERNE FESTIVAL
- ENCORE - Entertainment AG