Data
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Ensemble Corund
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- Rima Entertainment AG
- Secondhand Orchestra
- 21st Century Orchestra