| Business | Phone |
| Alphaco Fire & Security 3 Bowan Crt, North York M2K 3A8 | (416) 222-0274 |
| Q Star Industries Ltd 401 Magnetic Dr #23, North York M3J 3H9 | (416) 661-7068 |
| Safetronik Sound & Signal 800 Arrow Rd, North York M9M 2Z8 | (416) 742-8944 |
| Firetronics Component Svc 212 Pellatt Ave #2, North York M9N 2P6 | (416) 614-3473 |
| Fire Monitoring Of Canada Inc 43 Lesmill Rd #A, North York M3B 2T8 | (416) 444-7859 |
| Firetone Inc 120 Norfinch Dr #23, North York M3N 1X3 | (416) 661-6473 |