Data
- Radio Pilatus AG
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GMkonzerte
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- CLAMUS Lucerne
- Agentur Springbock GmbH
- KKL Family
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Lorenz Hauser Management
- domino Event SARL