| Business | Phone |
| Alpha-Zaicon Inc 40 Hearthstone Cres, North York M2R 1G3 | (416) 633-4717 |
| Guyphil Security Control Ltd 245 Pellatt Ave, North York M9N 2P8 | (416) 242-9854 |
| Into Electronics Inc 95 Barber Greene Rd, North York M3C 3E9 | (416) 445-8274 |
| Jls Security Inc 56 Yorkdale Cres, North York M9M 1C1 | (416) 744-2424 |
| Mtm Systems 1018 Finch Ave W #222, North York M3J 3L5 | (416) 650-9548 |
| Pks Line Management Ltd 393 Signet Dr, North York M9L 1V3 | (416) 739-1975 |
| Precise B/I Systems Ltd 955 Wilson Ave #10, North York M3K 2A8 | (416) 398-4052 |
| Rezz Security Cda Inc 525 Norfinch Dr, North York M3N 1Y7 | (416) 652-5252 |
| Secure At Ease Inc 3701 Chesswood Dr, North York M3J 2P6 | (416) 630-5963 |
| Shopguard Security Systems 111 Dolomite Dr, North York M3J 2N1 | (416) 739-8999 |
| Sovereign International 415 Oakdale Rd, North York M3N 1W7 | (416) 748-6745 |
| Sovereign 415 Oakdale Rd, North York M3N 1W7 | (416) 743-9251 |
| Total Security Mgmt Svc Inc 1925 Leslie St, North York M3B 2M3 | (416) 298-0440 |
| Ucl Technology 220 Duncan Mill Rd #319, North York M3B 3J5 | (416) 510-1749 |
| Universal Alarms 1018 Finch Ave W, North York M3J 3L5 | (416) 665-0000 |
| Verif Eye Inc 245 Fairview Mall Dr #602, North York M2J 4T1 | (416) 773-0222 |
| Videotron Security Systems 5775 Yonge St, North York M2M 4J1 | (416) 250-7333 |
| Engineering Security Systems 12 Kenton Dr, North York M2R 2H7 | (416) 229-6866 |
| Door Guard Co 37 Kodiak Cres, North York M3J 3E5 | (416) 635-6226 |