| Business | Phone |
| Advanced Industrial Systems 1550 Confederation Line, Sarnia N7W 1A3 | (519) 336-0050 |
| B & D Insulation Inc 1351 Lougar Ave, Sarnia N7S 5N5 | (519) 344-5287 |
| Insultek Inc 205 Gladwish Dr, Sarnia N7T 7W2 | (519) 332-0432 |
| Nel-Tekk Ind Specialties Inc 254 Tecumseh St, Sarnia N7T 2K9 | (519) 332-6813 |
| Summit Insulation Inc 830 Upper Canada Dr, Sarnia N7W 1A4 | (519) 336-6606 |
| Tornado Insulation Ltd 781 Roper St, Sarnia N7S 6G7 | (519) 344-3603 |
| Triple I Insulation 256 Maxwell St, Sarnia N7T 5C5 | (519) 383-0629 |