Data
- City Light Concerts
- Gadget abc Entertainment Group AG
- Zürcher Kammerorchester
- Lucerne Festival
- Zentralschweizer Jugendsinfonieorchester ZJSO
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- CLAMUS Lucerne
- Smallflower Events GmbH Elsau
- MyNina Spettacoli sagl
- Inseli