| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Verein ig sted seeland | 🇨🇭Switzerland | Activa | 23/6/2020 – presente |
| Cargo | Recycling- und Mineralstoffzentrum GmbH | 🇨🇭Switzerland | Disuelta | 25/1/2018 – presente |
| Cargo | PriMa Rent GmbH | 🇨🇭Switzerland | Disuelta | 22/1/2018 – presente |
| Cargo | Kieswerk Aebisholz AG | 🇨🇭Switzerland | Activa | 15/11/2017 – presente |
| Cargo | SEG Solothurner Entsorgungs-Gesellschaft AG | 🇨🇭Switzerland | Activa | 31/10/2017 – presente |
| Cargo | AOS Abbaugemeinschaft Oberes Seeland AG | 🇨🇭Switzerland | Disuelta | 19/9/2017 – presente |
| Cargo | Vigier Beton Mittelland AG | 🇨🇭Switzerland | Activa | 4/9/2017 – presente |
| Cargo | Beton AG Basel | 🇨🇭Switzerland | Disuelta | 22/8/2017 – presente |
| Cargo | Kies Neuendorf AG | 🇨🇭Switzerland | Activa | 9/8/2017 – presente |
| Cargo | Vigier Beton Seeland Jura AG | 🇨🇭Switzerland | Activa | 3/8/2017 – presente |
| Cargo | Steinbruch AG Vorberg Bözingen | 🇨🇭Switzerland | Activa | 3/8/2017 – presente |
| Cargo | Vigier Beton AG | 🇨🇭Switzerland | Activa | 24/7/2017 – presente |
| Cargo | AG Belagsfräsen Biel Studen | 🇨🇭Switzerland | Activa | 15/2/2017 – presente |
23/6/2020
appointed
25/1/2018
appointed
24/7/2017
appointed