| Business | Phone |
| K-Line Air Svc Usa Inc 265 S Prospect Ave, Itasca 60143 | (630) 250-0337 |
| Level One Communications 1 Pierce Pl, Itasca 60143 | (630) 250-6044 |
| Marconi 333 W Pierce Rd, Itasca 60143 | (630) 285-5301 |
| Met Logistics 333 W Pierce Rd, Itasca 60143 | (630) 735-0150 |
| Office Pantry 1 Pierce Pl 11, Itasca 60143 | (630) 467-1320 |
| Regent Logistics Inc 1220 W Thorndale Ave, Itasca 60143 | (630) 250-8733 |
| Rf Intl Inc 300 Park Blvd 155, Itasca 60143 | (630) 773-1118 |
| Riverside Publishing Co 425 Spring Lake Dr, Itasca 60143 | (630) 467-7000 |
| Velocitel 650 E Devon Ave 157, Itasca 60143 | (630) 467-0545 |