| Business | Phone |
| B & B Electronics 6538 Auburn St, Rockford 61101 | (815) 968-2714 |
| Comelec East Inc 3410 Lonergan Dr, Rockford 61109 | (815) 874-7400 |
| Communication Center 2222 Charles St, Rockford 61104 | (815) 395-1200 |
| Rock River Svc Co 2222 Charles St, Rockford 61104 | (815) 226-1280 |