| Business | Phone |
| Eaton Corp Satellite Plant 959 Aec Dr, Wood Dale 60191 | (630) 860-3500 |
| Illinois Business Comms 328 E Irving Park Rd, Wood Dale 60191 | (630) 860-2266 |
| Insulectro 252 Beinoris Dr, Wood Dale 60191 | (630) 350-1498 |
| Quality Cellular Corp 120 E Irving Park Rd, Wood Dale 60191 | (630) 694-0100 |
| Utronix Sales Inc 268 Welter Dr, Wood Dale 60191 | (630) 834-1100 |
| Wire Audio 302 N Elmwood Ave, Wood Dale 60191 | (630) 479-4152 |