Lista de empresas
| Name | Province | City | |
|---|---|---|---|
| Dufferin Transfer Station - City of Toronto | Ontario | North York | |
| Duffin Creek WPCP - Regional Municipality of Durham | Ontario | Pickering | |
| Duke Point Sawmill - Western Forest Products Inc. | Columbia Británica | Nanaimo | |
| Dumur Industries - Dumur Industries | Saskatchewan | White City | |
| Dumur Industries Assembly Division - Dumur Industries | Saskatchewan | Regina | |
| Duncan Compressor Station 09-33-076-14W4 - Canadian Natural Resources Limited | Alberta | Wandering River | |
| Duncan Compressor Station 10-36-076-15W4 - Canadian Natural Resources Limited | Alberta | Wandering River | |
| Duncan Compressor Station 11-23-076-15W4 - Canadian Natural Resources Limited | Alberta | Wandering River | |
| Duncan/North Cowichan Joint Utilities Board Lagoons - Corporation of the District of North Cowichan | Columbia Británica | Duncan | |
| Dundas - Darling International Canada Inc. | Ontario | Dundas |
