- C2G Coaching & Training GmbH
- Neue Winterthurerstrasse 99
- Wallisellen
- ZH
- C24-Consulting GmbH
- Albisriederstrasse 418
- Zürich
- ZH
- C2C International GmbH in Liquidation
- Birchstrasse 30
- Zürich
- ZH
- C2 Switzerland AG
- Heitligstrasse 45
- Neerach
- ZH
- C2F Services GmbH
- General-Wille-Strasse 59
- Meilen
- ZH
- c2project GmbH
- Riesbachstrasse 57
- Zürich
- ZH
- c2moviez GmbH
- Hedi-Lang-Strasse 5
- Wetzikon
- ZH