| 121 | Associated Engineering | Victoria |
| 122 | Associated Engineering | Whitehorse |
| 123 | Associated Engineering | Winnipeg |
| 124 | Associated Engineering | Yellowknife |
| 125 | Association des firmes de génie-conseil – Québec (AFG) | Montreal |
| 126 | Association of Consulting Engineering Companies - British Columbia | Vancouver |
| 127 | Association of Consulting Engineering Companies – Northwest Territories | Yellowknife |
| 128 | Atkinson Engineering Inc. | Hamilton |
| 129 | Atlantic Engineering Consultants Ltd. | Corner Brook |
| 130 | Ausenco Engineering Canada Inc. | Vancouver |
| 131 | Ausenco Engineering Canada Inc. | Burlington |
| 132 | Ausenco Engineering Canada Inc. | Calgary |
| 133 | Ausenco Engineering Canada Inc. | Montréal |
| 134 | Ausenco Engineering Canada Inc. | Toronto |
| 135 | AXOR Experts-Conseils Inc. | Baie-Comeau |
| 136 | AXOR Experts-Conseils Inc. | LeMoyne |
| 137 | AXOR Experts-Conseils Inc. | Montréal |
| 138 | AXOR Experts-Conseils Inc. | Port-Cartier |
| 139 | B. J. Tworzyanski Limited | Markham |
| 140 | B. M. Ross and Associates Limited | Brights Grove |
