Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Zentralschweizer Jugendsinfonieorchester ZJSO
- GC Events Sagl
- Good News Productions AG Glattpark
- Furler Productions
- Festival Strings Lucerne - Daniel Dodds