Industries List
| Name | Province | City |
|---|---|---|
| PG Varennes Acetylene - Linde Canada Inc. | Quebec | Varennes |
| Photech Chippawa Creek - Photech Environmental Solutions Inc. | Ontario | Thorold |
| PIAPOT COMP STN - Foothills Pipe Lines (Sask.) Ltd. | Saskatchewan | Maple Creek |
| Pickering - Signature Aluminum Canada Inc. | Ontario | Pickering |
| Pickering Nuclear - East Complex - Ontario Power Generation Inc. | Ontario | Pickering |
| Picton Plant - Lehigh Hanson Materials Limited | Ontario | Picton |
| Pictou County Plant - Michelin North America (Canada) | Nova Scotia | New Glasgow |
| Pier10 Energy Centre - HIPCO-Portlands Projects Corporation | Ontario | Hamilton |
| Pierceland West Compressor Station - TransGas Limited | Saskatchewan | Pierceland |
| Pierson Oil Battery 14-09-002-29W1 - Canadian Natural Resources Limited | Manitoba | Pierson |
