Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Ensemble Corund
- Lucerne Festival
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- Blasorchester FM Neuenkirch
- GC Events Sagl
- Good News Productions AG Glattpark
- ENCORE! Entertainment AG
- GMkonzerte / Odessa Classics
- ENCORE - Entertainment AG