| Business | Phone |
| First Security Systems Inc 1743 Quincy Ave 155, Naperville 60540 | (630) 961-5900 |
| Ela Security Inc 2724 Rolling Meadows Dr, Naperville 60564 | (630) 778-6041 |
| Platinum CCTV Surveillance Solutions 751 Frontenac Rd #157, Naperville 60563 | (630) 225-0693 |
| Ez-Toyz Inc. Surveillance Solutions 751 Frontenac Rd #145, Naperville 60563 | (630) 566-7305 |