| Business | Phone |
| A Valley Insulation Ltd 2535 Blackwell St #117, Ottawa K1B 4E4 | (613) 746-2005 |
| B L Thermal Insulation Ont In 196 Bronson Ave, Ottawa K1R 6H4 | (613) 230-8409 |
| Isolation J Lirette Inc 124 O'Connor St #205, Ottawa K1P 5M9 | (613) 248-9718 |
| Entro Building Systems Inc 286 Hinchey Ave, Ottawa K1Y 1M2 | (613) 725-1348 |
| G & L Insulation Co 2900 Sheffield Rd #2, Ottawa K1B 1A4 | (613) 747-6947 |