| 281 | Bouthillette Parizeau inc. | Ottawa |
| 282 | Bouthillette Parizeau inc. | Québec |
| 283 | Brown and Caldwell | Burnaby |
| 284 | Brownlee Beaton Kreke (Regina) Ltd. | Regina |
| 285 | Brunswick Engineering & Consulting Inc. | Saint John |
| 286 | BST Global | Tampa |
| 287 | Buchan, Lawton, Parent Ltd | Ottawa |
| 288 | Buchan, Lawton, Parent Ltd | Toronto |
| 289 | Building Innovation | Hamilton |
| 290 | Building Innovation | Vaughan |
| 291 | Bunt & Associates Engineering Ltd. | Victoria |
| 292 | Bunt & Associates Engineering Ltd. | Calgary |
| 293 | Bunt & Associates Engineering Ltd. | Edmonton |
| 294 | Bunt & Associates Engineering Ltd. | Kelowna |
| 295 | Bunt & Associates Engineering Ltd. | Vancouver |
| 296 | Bush, Bohlman & Partners LLP | Vancouver |
| 297 | C.A. Reed Consulting Engineers | Yorkton |
| 298 | Campbell Comeau Engineering Limited | Halifax |
| 299 | Carollo Engineers | Kelowna |
| 300 | Carollo Engineers | Burnaby |
