Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- GMkonzerte
- Lucerne Festival
- Zentralschweizer Jugendsinfonieorchester ZJSO
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Euroconcerts Suisse Sarl
- Bliss Music LLC
- Secondhand Orchestra
- Act Entertainment AG Basel