| Business | Phone |
| Bald Eagle Consulting Inc 4525 W Roundstone Way, Waukegan 60085 | (847) 662-7575 |
| Packeteer Inc 1332 S Elder Ln, Waukegan 60085 | (847) 625-6404 |
| Ferret Research Inc Waukegan 60085 | (847) 623-4744 |
| Netvizion Networks Inc 415 Washington St # 5, Waukegan 60085 | (847) 406-3300 |
| Information Solution Architect 38020 N North Shore Ave, Waukegan 60087 | (847) 599-1615 |