| Business | Phone |
| Adept Computer Consultants 401 N Michigan Ave, Chicago 60611 | (312) 840-7975 |
| George Jon Inc 213 N Morgan St 2d, Chicago 60607 | (312) 850-4320 |
| Business Systems Consultants 333 N Michigan Ave 303, Chicago 60601 | (312) 553-1253 |
| SA Computer Repair 2763 N Spaulding Ave, Chicago 60647 | (773) 895-9544 |
| SA Computer Repair 2763 N Spaulding Ave, Chicago 60647 | (773) 895-9544 |
| SkyView Technology, Inc. 4754 N Lincoln Ave, Floor 2, Chicago 60625 | (773) 561-4502 |