| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ABM | ABM Industries Incorporated | US | NYSE |
| GDIFF | GDI Integrated Facility Services Inc | US | OTC |
| GDI | GDI Integrated Facility Services Inc. | CA | TSX |
| AB4 | ABM Industries Incorporated | DE | F |
| EM4 | EMCOR Group Inc | DE | F |
| SPIE | SPIE SA | FR | PA |
| 0R8M | Spie SA | GB | LSE |