Lista de empresas
| Name | Province | City | |
|---|---|---|---|
| Rosewarne Plant - Fowler Construction Company Ltd. | Ontario | Bracebridge | |
| Roski Composites - Roski Composites Inc | Quebec | Roxton Falls | |
| Rossdale Water Treatment Plant - EPCOR Water Services Inc. | Alberta | Edmonton | |
| Roto FASCO Canada INC. - Roto Fasco Canada Inc. | Ontario | Mississauga | |
| Rotorchrome Industries Inc. - Rotorchrome Industries Inc. | Alberta | Acheson | |
| Roulements Koyo Canada Inc. - Koyo Bearings Canada Inc. | Quebec | Bedford | |
| Rowley Gas Plant 04-09-031-20W4 - Pine Cliff Energy Ltd. | Alberta | Morrin | |
| Rowley North Gathering System 16-24-032-20W4 - Pine Cliff Energy Ltd. | Alberta | Calgary | |
| ROXUL - GRAND FORKS - ROXUL Inc. | Columbia Británica | Grand Forks | |
| ROXUL Inc. - ROXUL Inc. | Ontario | Milton |
