Data
- AllBlues Konzert AG, Winterthur
- City Light Concerts
- Gadget abc Entertainment Group AG
- Konzertchor Luzern
- Lucerne Festival
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Rima Entertainment AG
- AllBlues Konzert AG Winterthur