Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Ensemble Corund
- GMkonzerte
- 21st Century Orchestra
- Migros-Kulturprozent-Classics
- Alegria Konzert GmbH
- Feldmusik Hochdorf
- Culture Communication GmbH
- Gadget abc Entertainment Group
- Swiss Academy of Ophthalmology Foundation
- 21st Century Orchestra