Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Hochschule Luzern – Musik
- Brassband Bürgermusik Luzern
- Zürcher Kammerorchester
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Act Entertainment AG Basel