| Business | Phone |
| J L Richards & Assoc Ltd 469 Bouchard St #217, Sudbury P3E 2K8 | (705) 522-8174 |
| Nicholls Engineering 1896 Valleystream Dr, Sudbury P3A 6A8 | (705) 525-7634 |
| Paste Systems Inc 161 Larch St #100, Sudbury P3E 1C4 | (705) 675-1177 |
| Roy J Rupert & Assoc 1070 Kelly Lake Rd, Sudbury P3E 5P4 | (705) 677-0193 |
| Trow Consulting Engineers Ltd 1074 Webbwood Dr, Sudbury P3C 3B7 | (705) 674-9681 |
| Edward Engineering 1492 Regent St, Sudbury P3E 3Z6 | (705) 523-4559 |
| Dgs Investigations 681 Camelot Dr, Sudbury P3B 3M9 | (705) 524-7268 |