| 141 | Blackwell Structural Engineers | Victoria |
| 142 | Blackwell Structural Engineers | Waterloo |
| 143 | Blondin Fortin & Associés | Laval |
| 144 | BluMetric Inc. (WESA) | Yellowknife |
| 145 | Boge & Boge (1980) Ltd. | Winnipeg |
| 146 | Boge & Boge (1980) Ltd. | Calgary |
| 147 | Boge & Boge (1980) Ltd. | Saskatoon |
| 148 | Boge & Boge (1980) Ltd. | Whitehorse |
| 149 | Boissonnault McGraw & Associates Ltd. | Campbellton |
| 150 | Bouthillette Parizeau inc. | Edmonton |
| 151 | Bouthillette Parizeau inc. | Gatineau |
| 152 | Bouthillette Parizeau inc. | Kelowna |
| 153 | Bouthillette Parizeau inc. | Laval |
| 154 | Bouthillette Parizeau inc. | Lévis |
| 155 | Bouthillette Parizeau inc. | Longueuil |
| 156 | Bouthillette Parizeau inc. | Montréal |
| 157 | Bouthillette Parizeau inc. | New Westminster |
| 158 | Bouthillette Parizeau inc. | Ottawa |
| 159 | Bouthillette Parizeau inc. | Québec |
| 160 | BPTEC Engineering Ltd. | Edmonton |
