| Business | Phone |
| A Citiguard 250 Consumers Rd #308, North York M2J 4V6 | (416) 431-6888 |
| Alert Security & Investigation 3500 Dufferin St #504, North York M3K 1N2 | (416) 248-0443 |
| Goldstar Security & Invstgtn 4699 Keele St #213, North York M3J 2N8 | (416) 650-5936 |
| Group 4 Falck 2 Lansing Sq #204, North York M2J 4P8 | (416) 493-8119 |
| Guardsman Security Svc Inc 1450 Lodestar Rd #7, North York M3J 3C1 | (416) 398-5211 |
| Initial Security 100 Tempo Ave #305, North York M2H 3S5 | (416) 492-2633 |
| Latasia Security & Invstgtn 5 Replin Rd, North York M6A 2M8 | (416) 781-1499 |
| Matrix Security Inc 3860 Chesswood Dr, North York M3J 2W6 | (416) 398-3320 |
| Multi National Security Svc 415 Oakdale Rd, North York M3N 1W7 | (416) 741-9292 |
| Ontario Guard Svc Inc 20 Ptarmigan Cres, North York M3A 1W3 | (416) 444-9046 |
| Paragon Protection Ltd 1210 Sheppard Ave E #505, North York M2K 1E3 | (416) 498-4000 |
| Premier Security 101 Placer Crt, North York M2H 3H9 | (416) 492-6909 |
| Primary Response Inc 5001 Yonge St #1302, North York M2N 6P6 | (416) 658-4536 |
| Probe Investigation Svc Ltd 3995 Bathurst St #301, North York M3H 5V3 | (416) 636-7000 |
| Reilly's Security Svc 1120 Caledonia Rd #11, North York M6A 2W5 | (416) 256-3199 |
| Berkley Properties 170 Chalkfarm Dr, North York M3L 2H9 | (416) 243-6414 |
| Securitas Canada 265 Yorkland Blvd #500, North York M2J 1S5 | (416) 774-2500 |
| Swat Shop 3271 Dufferin St, North York M6A 2T4 | (416) 256-0040 |
| Warren Protective Svc Ltd 5803 Yonge St #108, North York M2M 3V5 | (416) 222-7144 |
| X-Tra Security Svc Inc 1925 Leslie St, North York M3B 2M3 | (416) 780-9872 |
| Canadian Parking Management 1880 O'Connor Dr, North York M4A 1W9 | (416) 752-7275 |
| Canstar Security Svc Inc 109 Railside Rd, North York M3A 1B2 | (416) 447-8898 |
| Crown Security 150 Consumers Rd #408, North York M2J 1P9 | (416) 493-5525 |
| Frontline Security Team 61 Alness St, North York M3J 2H2 | (416) 736-6666 |
| Gardwell Security Agency Inc 168 Oakdale Rd #A, North York M3N 2S5 | (416) 746-6007 |