Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Ensemble Corund
- GMkonzerte
- Stargarage AG
- GC Events Sagl
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Euroconcerts Suisse Sarl
- Festival Strings Lucerne - Daniel Dodds
- Concert Hall