| Business | Phone |
| International Quality System 7025 Tomken Rd #271, Mississauga L5S 1R6 | (905) 565-0116 |
| Intertek Testing Svc 3210 American Dr, Mississauga L4V 1B3 | (905) 678-7820 |
| Perry Johnson Inc 2600 Skymark Ave #104, Mississauga L4W 5B2 | (905) 625-0055 |
| Certech Registration Inc 4263 Sherwoodtowne Blvd #300, Mississauga L4Z 1Y5 | (905) 273-6338 |
| Datacap Canada Inc 5730 Coopers Ave #28, Mississauga L4Z 2E9 | (905) 501-0001 |