| Business | Phone |
| Amec 430 Westmount Ave, Sudbury P3A 5Z8 | (705) 524-3301 |
| Amec 131 Fielding Rd, Sudbury | (705) 682-2632 |
| Anrep Krieg Desilets Assoc Ltd 109 Elm St #207, Sudbury P3C 1T4 | (705) 674-7500 |
| Granville B Vickerman & Assoc 1414 Lasalle Blvd, Sudbury P3A 1Z6 | (705) 566-6339 |
| Hatch Associates Ltd 128 Pine St #103, Sudbury P3C 1X3 | (705) 688-0250 |
| Itasca Consulting Canada Inc 174 Douglas St, Sudbury P3E 1G1 | (705) 522-2697 |
| John R Hamalainen Engineering 2166 Armstrong St, Sudbury P3E 5G9 | (705) 522-5745 |
| K Lang Engineering Ltd 469 Bouchard St #202, Sudbury P3E 2K8 | (705) 522-8110 |
| K Smart Assoc Ltd 283 Larch St, Sudbury P3B 1M2 | (705) 674-1082 |
| Leipciger Kaminker Mitelman 80a Elm St, Sudbury P3C 1T2 | (705) 675-6881 |
| Mc Intosh Engineering 1460 Fairburn St, Sudbury P3A 1N7 | (705) 566-6891 |
| Nordic Metallurgical Conslnts 33 Crater Cres, Sudbury P3E 5Y7 | (705) 522-3698 |
| Northland Engineering Ltd 121 Durham St, Sudbury P3E 3M9 | (705) 674-4401 |
| Phoenix Engineering Inc 410 Falconbridge Rd #7, Sudbury P3A 4S4 | (705) 524-6572 |
| Bestech Engineering Inc 1040 Lorne St, Sudbury P3C 4R9 | (705) 675-7720 |
| S A Kirchhefer Ltd 364 Lloyd St, Sudbury P3B 1P3 | (705) 673-0594 |
| Terraprobe Limited 1012 Kelly Lake Rd #1, Sudbury P3E 5P4 | (705) 670-0460 |
| Cdcd Engineering Ltd 176 Boland Ave, Sudbury P3E 1Y2 | (705) 674-8457 |
| Dennis Consultants Ltd 436 Westmount Ave, Sudbury P3A 5Z8 | (705) 560-5555 |
| Earth Tech Canada Inc 1040 Lorne St #1, Sudbury P3C 4R9 | (705) 674-8343 |
| Explotech Engineering Ltd 469 Bouchard St #200, Sudbury P3E 2K8 | (705) 522-0585 |