Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- DaCapo Musikmarketing GmbH
- Ensemble Corund
- Radio Pilatus AG *
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Culture Communication GmbH
- MyNina Spettacoli sagl
- Gadget abc Entertainment Group
- DaCapo Musikmarketing GmbH