| # | Company name | Role | # of projects |
|---|---|---|---|
| 1 | EHC Aarau | Sports team | 1 |
| 2 | FC Aarau | Sports team | 1 |
| 3 | Hefti.Hess.Matignoni | Electrical contractor | 2 |
| 4 | Herzog Kull Group | Electrical engineering | 1 |
| 5 | Institut für Beratungen im Gesundheitswesen | Consultancy | 1 |
| 6 | Quorum Software AG | 0 | |
| 7 | Schneider & Schneider | Architect | 2 |
| 8 | TV Suhr | Sports team | 1 |