| Business | Phone |
| A Y Securite/Security Inc 5460 Canotek Rd #92, Gloucester K1J 9G9 | (613) 741-6972 |
| Safe Home Security 1109 Cyrville Rd, Gloucester K1J 7S6 | (613) 746-4800 |
| Superior Security 2183 Ogilvie Rd #109, Gloucester K1J 8Y7 | (613) 741-1924 |
| Douglas Fire Safety Systems 3326 Limebank Rd #6, Gloucester K1V 1H2 | (613) 733-5348 |