A
- ABB Group
- ACE Limited
- Actavis
- Adecco
- A. Favre & Fils
- Air Glaciers
- Alcon
- Allegra Passugger
- Allseas
- Alpina Watches
- AMAG
- Antiquorum
- AntOptima
- Aperto
- Arctic
- Ascom (company)
- Atlanship SA
- Auto AG
- AutoForm
Read more about this topic: List Of Companies Of Switzerland