| 221 | Black & McDonald | Dartmouth |
| 222 | Blackwell Structural Engineers | Toronto |
| 223 | Blackwell Structural Engineers | Victoria |
| 224 | Blackwell Structural Engineers | Waterloo |
| 225 | Blondin Fortin & Associés | Laval |
| 226 | BluMetric Inc. (WESA) | Yellowknife |
| 227 | Boge & Boge (1980) Ltd. | Winnipeg |
| 228 | Boge & Boge (1980) Ltd. | Calgary |
| 229 | Boge & Boge (1980) Ltd. | Saskatoon |
| 230 | Boge & Boge (1980) Ltd. | Whitehorse |
| 231 | Boissonnault McGraw & Associates Ltd. | Campbellton |
| 232 | Bouthillette Parizeau inc. | Alma |
| 233 | Bouthillette Parizeau inc. | Blainville |
| 234 | Bouthillette Parizeau inc. | Chicoutimi |
| 235 | Bouthillette Parizeau inc. | Edmonton |
| 236 | Bouthillette Parizeau inc. | Gatineau |
| 237 | Bouthillette Parizeau inc. | Halifax |
| 238 | Bouthillette Parizeau inc. | Joliette |
| 239 | Bouthillette Parizeau inc. | Kelowna |
| 240 | Bouthillette Parizeau inc. | Laval |
