| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | GANTNER BETONRÜCKBAU AG | 🇨🇭Svizzera | Dissolved | 15/01/2019 – present |
| Officer | DÄTWYLER SCHLOSSEREI AG | 🇨🇭Svizzera | Active | 06/07/2018 – present |
| Officer | BETONCOUPE AG | 🇨🇭Svizzera | Active | 06/07/2018 – present |
| Officer | KFS KANAL-SERVICE AG | 🇨🇭Svizzera | Active | 16/01/2019 – present |
| Officer | SANTHERM GEBÄUDETECHNIK AG | 🇨🇭Svizzera | Active | 06/07/2018 – present |
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