Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Hochschule Luzern – Musik
- Ensemble Corund
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- ENCORE! Entertainment AG
- Festival Strings Lucerne - Daniel Dodds
- Act Entertainment AG Basel