| Business | Phone |
| Giffin Canada 133 Bridgeland Ave, North York M6A 1Y7 | (416) 781-6166 |
| Icon Sheet Metal 10 Ashwarren Rd, North York M3J 1Z5 | (416) 635-6161 |
| Jit Sheet Metals 40 Millwick Dr #8b, North York M9L 1Y3 | (416) 748-0417 |
| Metal-Fab-Svc Ltd 59 Torbarrie Rd, North York M3L 1G5 | (416) 240-4475 |
| Nortech Sheet Metal Ltd 100 Milvan Dr, North York M9L 1Z6 | (416) 745-6650 |
| P M Sheet Metal Ltd 272 Garyray Dr, North York M9L 1P1 | (416) 745-6796 |
| Royce Metal Products Ltd 4 Oakdale Rd, North York M3N 1V9 | (416) 742-9641 |
| Sel Sheet Metal Contractors 153 Limestone Cres, North York M3J 2R1 | (416) 665-0795 |
| Slot-All 7 Kenhar Dr, North York M9L 1M9 | (416) 746-4411 |
| Elrose Steel Products Ltd 135 Milvan Dr, North York M9L 1Z8 | (416) 741-2086 |
| Contour Machine Ltd 3650 Weston Rd, North York M9L 1W2 | (416) 747-7997 |
| Delrey Contractors Ltd 395 Oakdale Rd, North York M3N 1W7 | (416) 744-2755 |
| Don Park Inc 842 York Mills Rd, North York M3B 3A8 | (416) 449-7275 |
| Dunmet Products Ltd 178 Bentworth Ave, North York M6A 1P7 | (416) 787-4578 |
| Gem Sheet Metal 3687 Weston Rd, North York M9L 1V8 | (416) 740-5213 |