Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Brassband Bürgermusik Luzern
- Zürcher Kammerorchester
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- World Band Festival Luzern
- Brassband Bürgermusik Luzern