| Business | Phone |
| Accurate Security 9 Antares Dr, Nepean K2E 7V5 | (613) 738-8779 |
| Adt Services De Securite Inc 14 Concourse Gate #100, Nepean K2E 7S6 | (613) 238-1400 |
| Adt 14 Concourse Gate #100, Nepean K2E 7S6 | (613) 736-8888 |
| Alarm Security Systems 1 Rosemeade Pl, Nepean K2G 5V9 | (613) 727-2727 |
| Independent Alarms 62 Chester Cres, Nepean K2J 2L8 | (613) 825-1924 |
| J Tech Security Network Inc 217 Longshire Cir, Nepean K2J 4K8 | (613) 823-3044 |
| Modern Security Ltd 57 Meadowlands Dr W, Nepean K2G 2R7 | (613) 747-0152 |
| Regional Protection Systems 30 Concourse Gate #40, Nepean K2E 7V7 | (613) 228-6000 |
| Blue Knight Security 1233 Meadowlands Dr E, Nepean K2E 6K2 | (613) 723-6501 |
| Scotland Yard Security Systems 33 Ettrick Cres, Nepean K2J 1E9 | (613) 825-2328 |
| X-Cel Security Svc Canada Inc 15 Grenfell Cres, Nepean K2G 0G3 | (613) 274-2627 |
| Comcon Security Canada 13 Dexter Dr, Nepean K2H 5W3 | (613) 769-7393 |