Data
- Brass music
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- City Light Concerts
- Gadget abc Entertainment Group AG
- Verein Luzerner Blues Session
- Konzertchor Luzern
- GMkonzerte
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- CLAMUS Lucerne
- eco2friendly, c/o Otto Fischer AG