| Business | Phone |
| Aztek Canada Security 69 Sydney St S, Kitchener N2G 3V1 | (519) 576-0941 |
| Signum Corporate Svc 51 Farrier Pl, Kitchener N2P 1K2 | (519) 893-1040 |
| Keyhole Investigations Inc 1420 Victoria St N, Kitchener N2B 3E2 | (519) 579-8941 |
| Mitchell Lyman Assoc Inc 385 Fairway Rd S #257, Kitchener N2C 2N9 | (519) 749-8500 |
| Baldwin Agency Security 120 Mcbrine Dr, Kitchener N2R 1E7 | (519) 896-6953 |
| Cote Investigations 700 Strasburg Rd #10, Kitchener N2E 2M2 | (519) 571-0007 |
| Larrek Investigation & Research 639 King St. W., Suite 201, Kitchener N2G 1C7 | (519) 576-3010 |