Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Verein Luzerner Orgelfreunde
- Pro Senectute Kanton Luzern
- Concert Hall