| Business | Phone |
| G W Porter & Assoc 616 S 6th St, Rockford 61104 | (815) 961-8100 |
| Securitas Security Svc Usa Inc 3600 E State St 322, Rockford 61108 | (815) 484-9167 |
| Executive Protection & Invest 5078 Crofton Dr, Rockford 61114 | (815) 398-9012 |
| Initial Security 129 Phelps Ave 524, Rockford 61108 | (815) 397-0630 |