| Business | Phone |
| Actuate Corp 5600 N River Rd 800, Des Plaines 60018 | (847) 993-3100 |
| Best Inc 1645 S River Rd 8, Des Plaines 60018 | (847) 827-0100 |
| Brokat Technologies Ag 5600 N River Rd, Des Plaines 60018 | (847) 685-6678 |
| C F Software 2454 E Dempster St 201, Des Plaines 60016 | (847) 824-7180 |
| Saba Software Inc 5600 N River Rd, Des Plaines 60018 | (847) 993-3145 |
| Empower Geographics 1000 Executive Way 201, Des Plaines 60018 | (847) 299-6952 |
| Computer Programming Resources 456 N 7th Ave, Des Plaines 60016 | (847) 298-9505 |
| D P Technology Corp 1001 E Touhy Ave 300, Des Plaines 60018 | (847) 297-8100 |