| Business | Phone |
| Advocate Investigation Svc Ltd 133 Richmond St W #310, Toronto M5H 2L3 | (416) 364-2179 |
| Ibis Corp Risk Management 100 Adelaide St W #1303, Toronto M5H 1S3 | (416) 362-5796 |
| Intelysis Corp 40 University Ave #507, Toronto M5J 1T1 | (416) 216-6962 |
| Introspec Investigation 1 Yonge St #1801, Toronto M5E 1W7 | (416) 362-6666 |
| Liquid Assets 45 Macdonell Ave, Toronto M6R 2A3 | (416) 538-8793 |
| Mantis Investigation Agency 469 Richmond St E, Toronto M5A 1R1 | (416) 367-2933 |
| Metanoetics Inc 123 Edward St #1500, Toronto M5G 1E2 | (416) 351-8878 |
| Moscattini & Assoc 390 Bay St #2000, Toronto M5H 2Y2 | (416) 867-8799 |
| Mustang Investigations 50 Bellefair Ave, Toronto M4L 3T8 | (416) 694-6558 |
| Bay Street Investigations Inc 600 Bay St #307, Toronto M5G 1M6 | (416) 593-8444 |
| Rds Investigations 1454 Dundas St E #118, Toronto | (416) 453-3640 |
| Reed Research Ltd 55 Eglinton Ave E #402, Toronto M4P 1G8 | (416) 545-1800 |
| Shepherd Investigation Agency Po Box 144 Stn D, Toronto M6P 3J5 | (416) 762-3141 |
| Street Watch Security Svc 1 Yonge St, Toronto M5E 1E5 | (416) 214-5959 |
| W H Barker & Assoc 55 Lombard St #613, Toronto M5C 2R7 | (416) 363-6787 |
| Weder Clark & Assoc 1071 King St W #315, Toronto M6K 3K2 | (416) 345-8298 |
| Whitehall Bureau-Investigation 290 Lawrence Ave W, Toronto M5M 1B3 | (416) 789-7936 |
| Celsius Investigation Agency 481 University Ave, Toronto M5G 2E9 | (416) 340-6300 |
| Private Investigation Toronto PI Toronto, Ontario, Toronto M5H 1B6 | (905) 839-0139 |