Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Blasorchester Stadtmusik Luzern
- Zentralschweizer Jugendsinfonieorchester ZJSO
- domino Event SARL St. Gallen www.dominoevent.ch
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Furler Productions
- Act Entertainment AG Basel