Data
- Obrasso Classic Events GmbH
- Festival Strings Lucerne
- Lucerne Festival
- Reisefibel Leipzig
- domino Event SARL St. Gallen www.dominoevent.ch
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Furler Productions
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Rima Entertainment