Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Feldmusik Luzern
- Ensemble Corund
- GMkonzerte
- Stargarage AG
- GC Events Sagl
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- Rima Entertainment AG
- eco2friendly, c/o Otto Fischer AG
- Festival Strings Lucerne - Daniel Dodds
- Good News Productions AG