| Business | Phone |
| Allard Security Inc 98 Haddad Rd, Waterbury 6708 | (203) 757-5733 |
| Waterbury Alarm & Lock 191 Wall St, Waterbury 6704 | (203) 757-9542 |
| Sterling Security Systems Inc 211 Schraffts Dr, Waterbury 6705 | (203) 757-5800 |
| Mattatuck Alarm Co Inc 152 Meadowlark Dr, Waterbury 6708 | (203) 754-0541 |