| Business | Phone |
| Air Liquide Canada Inc 680 Denison St, Markham L3R 1C1 | (905) 948-1101 |
| Halladay Welding Supplies 250 Ferrier St, Markham L3R 2Z5 | (905) 475-8767 |
| Halladay Welding Supplies Ltd 250 Ferrier St #B, Markham L3R 2Z5 | (416) 499-0524 |
| Engelhard Canada Ltd 195 Riviera Dr, Markham L3R 5J6 | (905) 940-3410 |
| Wolverine Joining Tech Canada 195 Riviera Dr, Markham L3R 5J6 | (905) 940-4865 |