| Symbol | Name | Country | Exchange |
|---|---|---|---|
| TTEK | Tetra Tech, Inc. | US | NASDAQ |
| BLM | BluMetric Environmental Inc. | CA | TSXV |
| STN | Stantec Inc. | CA | TSX |
| VTX | Vertex Resource Group Ltd. | CA | TSXV |
| SWEC-A | Sweco AB (publ) | SE | ST |
| SWEC-B | Sweco AB (publ) | SE | ST |
| 1W3 | WSP Global Inc | DE | F |
| 7W71 | SWECO AB B SK 1- | DE | F |
| TT6 | Tetra Tech Inc | DE | F |
| WSP | WSP Global Inc | CA | TO |