Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Euroconcerts Suisse Sarl
- Lorenz Hauser Management
- CH Regionalmedien AG
- Festival Strings Lucerne - Daniel Dodds