| Business | Phone |
| Eye On You Security Systems 20 Gilbert Ave, Smithtown 11787 | (631) 265-5525 |
| Skylink System Inc 1040 W Jericho Tpke, Smithtown 11787 | (631) 864-7757 |
| Total Security 500 W Main St, Smithtown 11787 | (631) 667-6095 |
| U R Busted Inc 86 W Main St, Smithtown 11787 | (631) 361-6439 |