| Business | Phone |
| American Eagle Computer 1550 N Northwest Hwy 402, Park Ridge 60068 | (847) 813-1305 |
| Falcon Group 403 Elmore St, Park Ridge 60068 | (847) 823-0218 |
| Ecp Computer Consulting 310 Busse Hwy, Park Ridge 60068 | (847) 692-4682 |
| Delfax Solutions Inc 2604 Dempster St 311, Park Ridge 60068 | (847) 768-9130 |