| Business | Phone |
| A & H Mine Svc 1275 Kelly Lake Rd, Sudbury P3E 5P5 | (705) 674-0922 |
| Acms 430 Westmount Ave, Sudbury P3A 5Z8 | (705) 525-4774 |
| Golder Associates Innovative 662 Falconbridge Rd, Sudbury P3A 4S4 | (705) 524-6861 |
| International Directional Svc 1072 Webbwood Dr #4, Sudbury P3C 3B7 | (705) 671-6097 |
| J S Redpath Ltd 662 Falconbridge Rd #2, Sudbury P3A 4S4 | (705) 566-9996 |
| Mac Isaac Mining & Tnlng Co 2070 Old Burwash Rd, Sudbury P3E 4Z4 | (705) 522-1430 |
| Mine & Tunnel Svc Inc 1984 Regent St, Sudbury P3E 5S1 | (705) 523-5511 |
| Ncs Technology Inc 1730 Regent St, Sudbury P3E 3Z8 | (705) 670-8922 |
| Norcat Contractor Training 62 Frood Rd #136, Sudbury P3C 4Z3 | (705) 670-0324 |
| Edge Environmental Svc 1020 Elisabella St, Sudbury P3A 5K2 | (705) 525-0074 |
| Surpac Software Intl 289 Cedar St, Sudbury P3B 1M8 | (705) 670-0286 |
| Timber Wolf Exploration Inc 1601 Paris St #816, Sudbury P3E 5N3 | (705) 523-3689 |
| Wiseman Mining Consultants Highway 537 Rd, Sudbury P3E 4N1 | (705) 522-8502 |
| Wiseman Mining Consultants 1351 Kelly Lake Rd #4, Sudbury P3E 5P5 | (705) 523-6680 |
| C R Engineering & Consulting 10 Cedar Point Rd, Sudbury P3G 1G2 | (705) 523-4028 |
| Cementation Skanska 1351 Kelly Lake Rd #C, Sudbury P3E 5P5 | (705) 523-4300 |
| Datamine Canada Inc 46 Baker St, Sudbury P3C 2E7 | (705) 688-0101 |
| Dynatec Corp 957 Cambrian Heights Dr, Sudbury P3C 5M6 | (705) 523-8400 |