Industries List
| Name | Province | City |
|---|---|---|
| Dieter's Metal Fabricating Ltd - Dieter's Metal Fabricating Ltd. | Ontario | Cambridge |
| Dillon / Brule Mine - Conuma Coal Resources Limited | British Columbia | Chetwynd |
| Dimachem Inc. - Dimachem Inc | Ontario | Windsor |
| DIMPFLMEIER BAKERY LIMITED - Dimpflmeier Bakery | Ontario | Toronto |
| Direct Energy Marketing Limited CS 04-05 - Canlin Energy Corporation | Alberta | Foothills |
| Direct Plastics Limited - The Direct Plastics Group | Ontario | Orangeville |
| Disco Organics Processing Facility - City of Toronto | Ontario | Toronto |
| Disco Transfer Station - City of Toronto | Ontario | Etobicoke |
| Disco Yard - City of Toronto | Ontario | Etobicoke |
| Discovery Provost 07-30 Multi-well Oil battery - Prairie Provident Resources | Alberta | Monitor |
