| Business | Phone |
| Ahs Leasing Inc 200 Frobisher Dr #A, Waterloo N2V 2A2 | (519) 725-8873 |
| Ahs Security Systems Inc 200 Frobisher Dr #A, Waterloo N2V 2A2 | (519) 725-3748 |
| Infintite Security 279 Weber St N, Waterloo N2J 3H8 | (519) 746-7189 |
| Sts Security & Comm Systems 90 Rankin St #4, Waterloo N2V 2B3 | (519) 746-4140 |