| 181 | Boge & Boge (1980) Ltd. | Winnipeg |
| 182 | Boge & Boge (1980) Ltd. | Calgary |
| 183 | Boge & Boge (1980) Ltd. | Saskatoon |
| 184 | Boge & Boge (1980) Ltd. | Whitehorse |
| 185 | Boissonnault McGraw & Associates Ltd. | Campbellton |
| 186 | Bouthillette Parizeau inc. | Montréal |
| 187 | Bouthillette Parizeau inc. | Gatineau |
| 188 | Bouthillette Parizeau inc. | Kelowna |
| 189 | Bouthillette Parizeau inc. | Laval |
| 190 | Bouthillette Parizeau inc. | Lévis |
| 191 | Bouthillette Parizeau inc. | Longueuil |
| 192 | Bouthillette Parizeau inc. | New Westminster |
| 193 | Bouthillette Parizeau inc. | Ottawa |
| 194 | Bouthillette Parizeau inc. | Québec |
| 195 | BPTEC Engineering Ltd. | Edmonton |
| 196 | Brown and Caldwell | Vancouver |
| 197 | Brownlee Beaton Kreke (Regina) Ltd. | Regina |
| 198 | Brunswick Engineering | Saint John |
| 199 | BST Global | Tampa |
| 200 | Buchan, Lawton, Parent Ltd | Ottawa |
