| Business | Phone |
| Asbestos Insulation Mntnc 96 Tewksbury Cres, London N5V 2M8 | (519) 451-3444 |
| Insulcon Insulation Inc 2182 Wharncliffe Rd S, London N6P 1L1 | (519) 652-2442 |
| Lambeth Insulation Svc 1 Optimist Park Dr, London N6K 4J8 | (519) 641-4539 |
| Thermo-Blo Insulation 70 Albion St, London N6H 1Z3 | (519) 439-3050 |
| Tornado Insulation 4231 Blakie Rd, London N6L 1B8 | (519) 652-5183 |
| Westmount Insulation Ltd 20781 Denfield Rd, London N6H 5L2 | (519) 657-2867 |