Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Zentralschweizer Jugendsinfonieorchester ZJSO
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Act Entertainment AG Basel