| Business | Phone |
| Paterson Grant & Watson Ltd 85 Richmond St W #800, Toronto M5H 2C9 | (416) 368-2888 |
| Stratagex Limited 47 Colborne St, Toronto M5E 1P8 | (416) 362-3344 |
| Garth B Burton Geophysical 2 Toronto St #306, Toronto M5C 2B6 | (416) 363-3653 |
| Geomapping Ltd 60 Yonge St, Toronto M5E 1H5 | (416) 943-0440 |