| Business | Phone |
| Abuma Manufacturing Ltd 639 Sovereign Rd, London N5V 4K8 | (519) 659-6376 |
| Hassan Steel Fabricators Ltd 223 Ashland Ave, London N5W 4E3 | (519) 451-3100 |
| Mossley Glen 3051 Osler St #3, London N5V 3K2 | (519) 455-4190 |
| Ray Twist Ornamental Ironcraft 430 Sovereign Rd, London N6M 1A4 | (519) 451-3810 |
| Sleegers Machining & Fab Inc 649 Third St, London N5V 2C1 | (519) 451-5480 |
| Tradeline Products 25 Artisans Cres, London N5V 5E9 | (519) 451-2130 |
| West Metal Fabricators Ltd 463 Nightingale Ave, London N5W 4C4 | (519) 457-0603 |
| Electrofab Masking & Automatn 1012 Hubrey Rd, London N6N 1B5 | (519) 649-4888 |
| Circelli Steel Works 638 Newbold St, London N6E 2T6 | (519) 685-6644 |
| Diversified Metal Fabrication 96 Bessemer Crt #10, London N6E 1K7 | (519) 668-0035 |