| Business | Phone |
| Aaa General Welding 18 Childers St, London N5W 4B9 | (519) 455-8810 |
| Larry's Welding Svc 405 Vermont Ave, London N5Z 3E4 | (519) 686-1265 |
| London Mobile Welding 535 First St #6, London N5V 1Z5 | (519) 455-4629 |
| London Welding Svc Ltd 201 Stronach Cres, London N5V 3G5 | (519) 455-4065 |
| London Wrought Iron Products 124 Clarke Rd, London N5W 5E1 | (519) 451-1610 |
| Mike's Welding & Products Shop 796 Dundas St, London N5W 2Z7 | (519) 645-2145 |
| Prince Enterprises 1822 Gainsborough Rd, London N6H 5L2 | (519) 471-1346 |
| Bay View Sheet Metal & Roofing 5 Bayview Crt, London N5W 5W4 | (519) 452-3963 |
| Rpm General Welding 535 First St #7, London N5V 1Z5 | (519) 457-0525 |
| S & S Steel Product Ltd 1033 Pine St, London N5Z 2J7 | (519) 451-0344 |
| Taurus Welding 5404 Colonel Talbot Rd, London N6P 1H9 | (519) 652-2250 |
| Weld-All 580 Quebec St, London N5W 3Z2 | (519) 432-9040 |
| Chandler Technologies Inc 2401 Aviation Lane, London N5V 3Z9 | (519) 455-0528 |
| City Welding Svc 724 Adelaide St N, London N5Y 2L5 | (519) 433-4713 |
| General Metal Products 1039 Margaret St, London N5W 2J9 | (519) 453-2278 |
| JW Portable Welding & Repairs 594 Cranbrook Road, London N6K 1W5 | (519) 872-2552 |