| Business | Phone |
| Arch Engineering Ltd 5 Herman Cres, North Bay P1A 2R4 | (705) 476-7819 |
| T A Etches Engineering 1180 Airport Rd, North Bay P1B 8G2 | (705) 474-4871 |
| J F Engineering Co Ltd 1532 Pinewood Cres, North Bay P1B 4P4 | (705) 472-9845 |
| Northshore Engineering Svc 1331 North Shore Rd, North Bay P1B 8G4 | (705) 495-0981 |
| Trow Consulting Engineers 1630 Main St W, North Bay P1B 8G5 | (705) 472-2220 |
| D M Wills Assoc Consulting 693 Cassells St, North Bay P1B 4A1 | (705) 474-6031 |