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 |
