Data
- Act Entertainment AG Basel
- Ensemble Corund
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- Rima Entertainment AG
- GMkonzerte / Odessa Classics
- Migros-Kulturprozent-Classics