Data
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- City Light Concerts
- Festival Strings Lucerne
- Pro Senectute Kanton Luzern
- Zentralschweizer Jugendsinfonieorchester ZJSO
- 21st Century Orchestra
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Rima Entertainment AG
- ArteCultura
- 21st Century Orchestra