Lista de empresas
| Name | Province | City | |
|---|---|---|---|
| Durham Plant - Durham Furniture Inc. | Ontario | Durham | |
| Durham York Energy Centre - Covanta Durham York Renewable Energy Limited Partnership | Ontario | Courtice | |
| Duro-Lak inc - Duro-Lak inc | Quebec | Laval | |
| DuROCK Alfacing International Ltd. - DuRock Alfacing International Ltd. | Ontario | Woodbridge | |
| DUSTY LAKE COMP STN - TransCanada PipeLines Limited | Alberta | Woodglen | |
| Dutailier inc - groupe Dutailier inc | Quebec | St-Pie de Bagot | |
| Dutton - Agris Facility - Agris Co-Operative Ltd. | Ontario | Dutton | |
| Duvernay Fir Central 09-29-057-21-W5 - Tourmaline Oil Corp | Alberta | Calgary | |
| Duvernay Kaybob Complex - Pembina Pipeline Corporation | Alberta | MD of Greenview | |
| Duvernay Sweetening Plant - Pembina Pipeline Corporation | Alberta | MD of Greenview |
