- CEO
- Master of Craftsmanship
- horn making
- development and construction
- service and sales
- Business Administration
- Service and Sales
- Master of craftsmanship
- technischer Betriebswirt (HWK)
- horn making
- service
- marketing
- Master of Craftsmanship
- trumpet making
- special customizing
- service
- Skilled worker for brass wind instruments
- valve making
- specialist for parts
- polishing works
- skilled worker for brass wind instruments
- apprentice for master of craftsmanship
- service
- repairs
- special customizing
- skilled worker for brass wind instruments
- valve making
- parts making
- polishing works
- Apprentice in instrument making
- valve making
- special customizing
- parts making
