| Business | Phone |
| Data Recovery Group 3100 Dundee Rd 901, Northbrook 60062 | (847) 897-5525 |
| Internet Communications 3175 Commercial Ave, Northbrook 60062 | (847) 559-1333 |
| Napolean Enterprises Inc Northbrook 60062 | (847) 562-4067 |
| Prismatech Inc 1970 Raymond Dr, Northbrook 60062 | (847) 562-9022 |
| Resource Data Systems Corp 3100 Dundee Rd 710, Northbrook 60062 | (847) 564-5440 |
| Strategic Information Systems 3400 Dundee Rd 305, Northbrook 60062 | (847) 205-4085 |
| Super Computer Consulting Corp 3943 Bordeaux Dr, Northbrook 60062 | (847) 562-0600 |
| Techserv It 1544 Shermer Rd, Northbrook 60062 | (847) 564-5712 |
| Braxton Reed Inc 3258 Highland Rd, Northbrook 60062 | (847) 753-9363 |
| Heller Systems Ltd 6 The Court Of Harbinger Fls, Northbrook 60062 | (847) 205-0104 |
| Krex Graphite Super Lubricant 450 Skokie Blvd 200, Northbrook 60062 | (847) 753-9955 |
| Netsight Inc 5 Revere Dr 200, Northbrook 60062 | (847) 205-5508 |
| Northview Technologies 2218 Crabtree Ln, Northbrook 60062 | (847) 559-8129 |
| Strategy Wise 707 Skokie Blvd, Northbrook 60062 | (847) 509-7565 |
| Zeus Concepts 1356 Shermer Rd 2, Northbrook 60062 | (847) 291-0410 |