Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Feldmusik Luzern
- Konzertchor Luzern
- GMkonzerte
- Stargarage AG
- GC Events Sagl
- CLAMUS Lucerne
- Festival Strings Lucerne - Daniel Dodds