| Business | Phone |
| Access Control Systems Elyria 44035 | (440) 365-5500 |
| Forthofer Alarm Systems 374 Broad St, Elyria 44035 | (440) 282-7611 |
| Gilbert Security 154 Garvin Ave, Elyria 44035 | (440) 322-5860 |
| Stock's Electric Security Sys 8115 Oberlin Rd, Elyria 44035 | (440) 984-3102 |