| Business | Phone |
| Glasrock Omi 105 West St, Sault Ste Marie P6A 7B4 | (705) 945-5191 |
| Magneco Matrel 57 Wellington St E, Sault Ste Marie P6A 2L1 | (705) 946-2723 |
| Narco Canada Inc 719 Queen St E, Sault Ste Marie P6A 2A8 | (705) 256-5257 |
| Premier Refractories Canada 1139 Queen St E, Sault Ste Marie P6A 6K5 | (705) 942-9145 |
| Rhi Canada Queen St W, Sault Ste Marie | (705) 253-2820 |
| Vesuvius 40 Euclid Rd, Sault Ste Marie P6B 1A2 | (705) 759-4748 |