Lista de empresas
| Name | Province | City |
|---|---|---|
| PORT ROBINSON - H&S Heat Treating | Ontario | Port Robinson |
| Port Weller Wastewater Treatment Plant - Regional Municipality of Niagara | Ontario | St. Catharines |
| Portable Plant 020002 - Border Paving Ltd. | Alberta | Bamber Pit |
| Portable Plant 020008 - Border Paving Ltd. | Alberta | Rogocz Pit |
| Portage La Prairie - Richardson Milling Ltd. | Manitoba | Portage La Prairie |
| Portage la Prairie - Simplot Canada (II) Ltd. | Manitoba | Portage La Prairie |
| PORTAGE LA PRAIRIE COMP STN - TransCanada PipeLines Limited | Manitoba | Edwin |
| Portlands Energy Centre - Portlands Energy Centre LP | Ontario | Toronto |
| Portlands Plant - Ontario Redimix a Division of CRH Canada Group Inc. | Ontario | Toronto |
| Post Foods Cobourg - Post Foods Canada | Ontario | Cobourg |
