| Business | Phone |
| Air Liquide Canada 4270 Weston Rd, North York M9L 1W9 | (416) 745-1304 |
| Bohler Thyssen Welding Canada 22 Lepage Crt, North York M3J 1Z9 | (416) 638-3253 |
| Dom Arc Welding Alloys Inc 4023 Chesswood Dr, North York M3J 2R8 | (416) 635-8281 |
| Gastech Limited 122 Millwick Dr #10, North York M9L 1Y6 | (416) 746-8762 |