Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Brassband Bürgermusik Luzern
- Zürcher Kammerorchester
- GC Events Sagl
- Good News Productions AG Glattpark
- MyNina Spettacoli sagl
- Lorenz Hauser Management
- ENCORE! Entertainment AG
- ENCORE - Entertainment AG