| # | Company name | Role | # of projects |
|---|---|---|---|
| 1 | S&W Consultancy | Building physics | 1 |
| 2 | Scheicher GmbH | Building physics | 0 |
| 3 | Sita Belgium / Watco | Building physics | 1 |
| 4 | Snetsinger Consultants Ltd. | Building physics | 1 |
| 5 | Spratt Emanuel Engineering Ltd. | Building physics | 7 |