Lista de empresas
| Name | Province | City |
|---|---|---|
| Alberta-Pacific Forest Industries Inc. - Alberta-Pacific Forest Industries Inc. | Alberta | County of Athabasca |
| ALCES RIVER COMP STN - TransCanada PipeLines Limited | Alberta | Bear Canyon |
| Alcot Plastics Ltd. - Guelph - Alcot Plastics Ltd. | Ontario | Guelph |
| Ald Sys 2 South Booster Stn. 01-17-014-09W4 - IPC Canada Ltd. | Alberta | Suffield |
| Alder Flats Gas Plant 10-09 - Spartan Delta Corp. | Alberta | Calgary |
| Alder Flats Sweet Gas Plant - Cenovus Energy Inc. | Alberta | Alder Flats |
| Aldergrove Door - Masonite International Corporation | Columbia Británica | Langley |
| Aldergrove Sand Plant - Target Products Ltd. | Columbia Británica | Abbotsford |
| Alderson 1-24-17-12W4 - COR4 Oil | Alberta | Calgary |
| Alderson 2 Gas Battery 04-13 - IPC Canada Ltd. | Alberta | Medicine Hat |
