| # | Company name | Role | # of projects |
|---|---|---|---|
| 1 | S G Plastering | Interior fit-out | 0 |
| 2 | S H Smith Construction Inc. | Interior fit-out | 0 |
| 3 | Samuel Créations S.A. | Interior fit-out | 1 |
| 4 | SAS International | Interior fit-out | 0 |
| 5 | Schowengerdt Plus | Interior fit-out | 1 |
| 6 | Schwebel Plastering | Interior fit-out | 0 |
| 7 | Scott Drywall Inc. | Interior fit-out | 0 |
| 8 | Seminole Walls & Ceilings | Interior fit-out | 1 |
| 9 | Shanco Construction | Interior fit-out | 0 |
| 10 | Shepherd & Son | Interior fit-out | 1 |
| 11 | Sherlock Interiors Contracting Ltd. | Interior fit-out | 1 |
| 12 | Shirley Drywall | Interior fit-out | 1 |
| 13 | Silent Gliss GmbH | Interior fit-out | 1 |
| 14 | Skipworth Construction | Interior fit-out | 1 |
| 15 | Slo Plastering | Interior fit-out | 0 |
| 16 | Sloan & Co. | Interior fit-out | 1 |
| 17 | Smc Construction | Interior fit-out | 1 |
| 18 | Smc Development Corporation | Interior fit-out | 1 |
| 19 | Smith & Hudson Interiors | Interior fit-out | 0 |
| 20 | Smith Bros. Plastering Co Inc | Interior fit-out | 2 |