Data
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- City Light Concerts
- Festival Strings Lucerne
- Zentralschweizer Jugendsinfonieorchester ZJSO
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Good News Productions AG