Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Ensemble Corund
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Rima Entertainment AG
- SJSO
- Lorenz Hauser Management
- Migros-Kulturprozent-Classics