| Business | Phone |
| Ace Security 1691 County Road 39, Southampton 11968 | (631) 283-1974 |
| Alarm Design 6 W Neck Rd, Southampton 11968 | (631) 287-3733 |
| Bellringer 834 North Hwy, Southampton 11968 | (631) 283-3400 |
| Peconic Security Alarms Inc 59 Maple St, Southampton 11968 | (631) 283-1414 |