Lista de empresas
| Name | Province | City |
|---|---|---|
| Armstrong Plant - Kohler Canada Co. | Columbia Británica | Armstrong |
| Armstrong Plant - MAAX Bath Inc. | Columbia Británica | Armstrong |
| Arnprior Aerospace Inc. - Arnprior Aerospace Inc. | Ontario | Arnprior |
| Arriva 02-25 Gas Plant - Petrus Resources Ltd. | Alberta | Rocky Mountain House |
| ARROWWOOD 1-7 GGS - SEOL Energy Inc | Alberta | Farrow |
| Artco International Inc. - Chervin Custom Woodworks Inc. | Ontario | St. Clements |
| Arthur P. Kennedy Water Treatment Plant - Ontario Clean Water Agency | Ontario | Mississauga |
| Arts Metal Finishing - 2399296 Ontario Inc. | Ontario | Downsview |
| Ashbridges Bay Treatment Plant - City of Toronto | Ontario | Toronto |
| Ashton Plant - Lehigh Hanson Materials Limited | Ontario | Ashton |
