| Business | Phone |
| Nor Mech Engineering Inc 1141 Old Garden River Rd, Sault Ste Marie P6A 6J8 | (705) 942-0114 |
| Rdl Engineering Svc 97 Princeton Dr, Sault Ste Marie P6B 5T4 | (705) 942-3857 |
| Barker Engineering Group Inc 473 Queen St E, Sault Ste Marie P6A 1Z5 | (705) 253-8070 |
| Rowswell & Assoc 100 Bruce St #6, Sault Ste Marie P6A 2X5 | (705) 759-6612 |
| Stem Engineering Group Inc 8 Queen St E, Sault Ste Marie P6A 1Y3 | (705) 942-6628 |
| Tsh Engineers Architects 523 Wellington St E, Sault Ste Marie P6A 2M4 | (705) 942-2612 |
| William R Walker Engineering 499 Queen St E #2, Sault Ste Marie P6A 1Z9 | (705) 942-2070 |
| Conestoga-Rovers & Assoc 390 Bay St #300, Sault Ste Marie P6A 1X2 | (705) 254-2438 |
| Dynamic Risk Axsessment Systs 1896 Queen St E, Sault Ste Marie P6A 2H1 | (705) 942-4189 |