Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Zentralschweizer Jugendsinfonieorchester ZJSO
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- Maya Classics
- Festival Strings Lucerne - Daniel Dodds
- Act Entertainment AG Basel