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- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Gadget abc Entertainment Group AG
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- CLAMUS Lucerne
- Furler Productions
- ENCORE! Entertainment AG
- Act Entertainment AG Basel
- ENCORE - Entertainment AG