Data
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Euroconcerts Suisse Sarl
- eco2friendly, c/o Otto Fischer AG
- Act Entertainment AG Basel