Data
- Obrasso Classic Events GmbH
- 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
- eco2friendly, c/o Otto Fischer AG
- CONCORDIA
- Summer Festival | LUCERNE FESTIVAL
- World Band Festival Luzern