Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- domino Event SARL St. Gallen www.dominoevent.ch
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Konzertbüro Augsburg GmbH
- Secondhand Orchestra
- ANDO Music Productions GmbH
- domino Event SARL