Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Stadtorchester Luzern
- Ensemble Corund
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Rima Entertainment AG
- domino Event SARL