Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Hochschule Luzern – Musik
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- CLAMUS Lucerne
- Culture Communication GmbH
- Gadget abc Entertainment Group
- AllBlues Konzert AG Winterthur