| Business | Phone |
| Goodridge Walker Ltd 473 Mcintyre St W, North Bay P1B 2Z3 | (705) 495-2740 |
| P A Blackburn Ltd 1275 Main St W, North Bay P1B 2W7 | (705) 476-2600 |
| Simpson & Osborne Surveying 885 Jet Ave, North Bay P1B 2W9 | (705) 474-5033 |
| D S Urso Surveying Ltd 1401 Seymour St #2, North Bay P1B 8G4 | (705) 474-1210 |