| 1341 | T.Y.Lin International Canada Inc. | Ottawa |
| 1342 | T.Y.Lin International Canada Inc. | Toronto |
| 1343 | T.Y.Lin International Canada Inc. | Vaughan |
| 1344 | T.Y.Lin International Canada Inc. | Whitby |
| 1345 | T2 Utility Engineers Inc. | Edmonton |
| 1346 | T2 Utility Engineers Inc. | Nepean |
| 1347 | T2 Utility Engineers Inc. | Oakville |
| 1348 | T2 Utility Engineers Inc. | Whitby |
| 1349 | T2 Utility Engineers Inc. | Whitby |
| 1350 | Tacoma Engineers Inc. | Guelph |
| 1351 | Tacoma Engineers Inc. | Barrie |
| 1352 | Tacoma Engineers Inc. | Waterloo |
| 1353 | Tate Engineering | Fall River |
| 1354 | Tatham Engineering Limited | Barrie |
| 1355 | Tatham Engineering Limited | Bracebridge |
| 1356 | Tatham Engineering Limited | Collingwood |
| 1357 | Tatham Engineering Limited | Guelph |
| 1358 | Tatham Engineering Limited | Orillia |
| 1359 | Tatham Engineering Limited | Ottawa |
| 1360 | Taylor Architecture Group | Yellowknife |
