| Business | Phone |
| Kennecott Canada Inc 1300 Walsh St W, Thunder Bay P7E 4X4 | (807) 473-5558 |
| Noranda Inc 874 Tungsten St, Thunder Bay P7B 6J3 | (807) 623-4339 |
| Placer Dome Inc 560 Squier Pl, Thunder Bay P7B 6M2 | (807) 532-2160 |
| Voyageur Exploration Svc 235 Grenville Ave, Thunder Bay P7A 2A4 | (807) 683-8778 |