| Business | Phone |
| Alarm Services Ltd 294 Freshwater Rd, St John's A1B 1C1 | (709) 754-2703 |
| Alarm Specialists 8 Hamilton Ave, St John's A1E 1H7 | (709) 579-3434 |
| Alliance Security Inc 24 Hunts Lane, St John's A1B 2L3 | (709) 722-5478 |
| Audio Systems Ltd 294 Freshwater Rd, St John's A1B 1C1 | (709) 754-2244 |
| Quantum Security Inc 20 Point Leamington St #A, St John's A1E 5X5 | (709) 745-5888 |
| Security Network 39 Airport Heights Dr, St John's A1A 4W8 | (709) 739-7633 |
| Smart Homes Security 85 O'Leary Ave, St John's A1B 2C9 | (709) 722-5151 |