Liste des entreprises
| Name | Province | City | |
|---|---|---|---|
| P & H Milling Group - Lethbridge - P & H Milling Group a Division of Parrish & Heimbecker Limited | Alberta | Lethbridge | |
| P & H Milling Group - Saskatoon - P & H Milling Group a Division of Parrish & Heimbecker Limited | Saskatchewan | Saskatoon | |
| P 51 - NPA Ltd. | Alberta | Watino | |
| P 51 - NPA Ltd. | Alberta | Watino | |
| P-02 Mobile Plant - NPA Ltd. | Alberta | Slave Lake | |
| P-03 Whitecourt - NPA Ltd. | Alberta | Whitecourt | |
| P-08 - Aecon Transportation West | Saskatchewan | Paulson pit | |
| P-09 - Aecon Transportation West | Alberta | Towers Pit | |
| P-11 - Aecon Transportation West | Saskatchewan | Ruetz Pit | |
| P-12 - Aecon Transportation West | Alberta | Rocky View |
