Lista de empresas
| Name | Province | City |
|---|---|---|
| Post Foods Niagara Falls - Post Foods Canada | Ontario | Niagara Falls |
| Postmedia Islington Printing Division - Postmedia Network Inc. | Ontario | Etobicoke |
| Postville Diesel Generating Station - Newfoundland and Labrador Hydro | Terranova y Labrador | Postville |
| Potash Corp - Allan Division - Potash Corporation of Saskatchewan Inc. | Saskatchewan | Allan |
| POTASH CORP - LANIGAN DIVISION - Potash Corporation of Saskatchewan Inc. | Saskatchewan | Lanigan |
| PotashCorp Rocanville - Potash Corporation of Saskatchewan Inc. | Saskatchewan | Rocanville |
| Pottersburg Pollution Control Plant - Corporation of the City of London | Ontario | London |
| Pouce Coupe 1-19 - Insignia Energy Ltd. | Alberta | La Glace |
| Pouce Coupe 14-27 - Insignia Energy Ltd. | Alberta | La Glace |
| Pouce Coupe Battery 6-3 - Canlin Energy Corporation | Alberta | Gordondale |
