Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Musikschule Stadt Luzern
- Ensemble Corund
- GMkonzerte
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Euroconcerts Suisse Sarl
- Festival Strings Lucerne - Daniel Dodds
- Good News Productions AG