| Business | Phone |
| Geophysics Gpr Intl 6033 Shawson Dr, Mississauga L5T 1H8 | (905) 696-0656 |
| Multiview Geoservices Inc 1091 Brevik Pl, Mississauga L4W 3R7 | (905) 629-0979 |
| Terraquest Limited 1366 Boulder Creek Cres, Mississauga L5J 4P5 | (905) 403-0026 |
| Excalibur International 1522 Clearwater Dr, Mississauga L5E 3A3 | (905) 271-1043 |