| Business | Phone |
| 1871 Media 1735 N Paulina St, Chicago 60622 | (773) 255-0810 |
| A & S Co 6417 N Ravenswood Ave, Chicago 60626 | (773) 274-7693 |
| Aapex Information System Inc 170 N Halsted St, Chicago 60661 | (312) 421-0777 |
| Actant 401 S Lasalle St 905, Chicago 60605 | (312) 577-0300 |
| Activ Financial Systems Inc 205 W Wacker Dr, Chicago 60606 | (312) 578-9800 |
| Ad Pac Corp 4732 N Lincoln Ave, Chicago 60625 | (773) 334-2575 |
| Advanced Integrated Software 4530 S Woodlawn Ave, Chicago 60653 | (773) 536-1980 |
| Aleri Inc 180 N Stetson Ave 41, Chicago 60601 | (312) 540-0100 |
| Allied Business Consulting Chicago 60606 | (312) 553-1099 |
| Alpha Blox 8700 W Bryn Mawr Ave, Chicago 60631 | (773) 714-7966 |
| Altair Systems Designs Ltd 5804 N Milwaukee Ave, Chicago 60646 | (773) 775-4141 |
| American Information Systems 980 N Michigan Ave, Chicago 60611 | (312) 239-6387 |
| Amtech Info Tech 2517 W Devon Ave, Chicago 60659 | (773) 761-4561 |
| Harley Davidson 525 W Monroe St, Chicago 60661 | (312) 441-9080 |
| Antares Computer Systems 8114 S Maryland Ave 12, Chicago 60619 | (773) 783-8855 |
| Apple Computer Inc 10 S Wacker Dr 3200, Chicago 60606 | (312) 715-1717 |
| Applied Finance Group 11 E Adams St 601, Chicago 60603 | (312) 362-9903 |
| Aqitec Inc 25 E Washington St, Chicago 60602 | (312) 372-9999 |
| Arcadia Computer Consulting 53 W Jackson Blvd, Chicago 60604 | (312) 922-5535 |
| Arlex Technologies Inc 55 E Jackson Blvd, Chicago 60604 | (312) 765-0500 |
| Art & Tech 5201 S Cornell Ave 6d, Chicago 60615 | (773) 256-1418 |
| Askesis Development Group Inc 325 W Huron St, Chicago 60610 | (312) 951-0302 |
| Assa Technology 4770 N Lincoln Ave R204, Chicago 60625 | (773) 275-5540 |
| Astellia 35 E Wacker Dr, Chicago 60601 | (312) 223-0819 |
| Atlas Software Technologies 8 S Michigan Ave, Chicago 60603 | (312) 419-1945 |
| Discreet Logic 730 N Franklin St 210, Chicago 60610 | (312) 440-1200 |
| Robert Blackwell 4536 S Lake Park Ave, Chicago 60653 | (773) 373-9958 |
| Avectra 10 S Wacker Dr 1120, Chicago 60606 | (312) 425-9093 |
| Ayden Software 2859 N Springfield Ave 2f, Chicago 60618 | (773) 233-2851 |
| B Ea Systems 8700 W Bryn Mawr Ave # 400n, Chicago 60631 | (312) 341-1351 |
| B2p Commerce Corp 445 W Erie St, Chicago 60610 | (312) 280-1640 |
| Backstop Solutions Group 300 W Adams St, Chicago 60606 | (312) 372-7300 |
| Global Investments Systems 53 W Jackson Blvd, Chicago 60604 | (312) 786-9500 |
| Global Ways 1926 W Harrison St, Chicago 60612 | (312) 421-4416 |
| Globalview Software 100 S Wacker Dr, Chicago 60606 | (312) 786-0110 |
| Globalware 2530 N Lincoln Ave, Chicago 60614 | (773) 325-2240 |
| Bea Systems Inc 175 W Jackson Blvd, Chicago 60604 | (312) 913-1710 |
| Bernie Litton Co 1690 N Elston Ave, Chicago 60622 | (773) 278-1337 |
| General Roofing 6427 W Irving Park Rd, Chicago 60634 | (773) 282-7874 |
| Genesys Telecommunications 10 S Riverside Plz # 18, Chicago 60606 | (312) 474-6040 |
| Bez Systems Inc 222 W Adams St, Chicago 60606 | (312) 641-2200 |
| Bfl Software 8700 W Bryn Mawr Ave, Chicago 60631 | (773) 714-4905 |
| Blacksmith Applications 1731 N Marcey St, Chicago 60614 | (773) 981-6381 |
| Blitz Systems 1 N La Salle St, Chicago 60602 | (312) 853-9082 |
| G L Consultants Inc 401 S La Salle St # 1003, Chicago 60605 | (312) 294-6060 |
| Boss Systems Inc 980 N Michigan Ave 1400, Chicago 60611 | (312) 214-3603 |
| Boys Town 333 W Wacker Dr, Chicago 60606 | (312) 444-2004 |
| Future Dynamics Inc 30 S Wacker Dr # 1716, Chicago 60606 | (312) 338-2811 |
| Brightmail Inc Chicago 60610 | (312) 664-8355 |
| Brightwork Inc 3759 N Ravenswood Ave 225, Chicago 60613 | (773) 529-0465 |
| Friedrich Klatt & Assoc 1525 E 53rd St 1000, Chicago 60615 | (773) 288-4849 |
| Brown Angels.Comm 1426 N State Pkwy, Chicago 60610 | (312) 587-8919 |
| Bse Inc 9205 S Michigan Ave, Chicago 60619 | (773) 264-0708 |
| Bswift 656 W Randolph St, Chicago 60661 | (312) 261-5750 |
| Bta Digital Works Inc 414 N Orleans St, Chicago 60610 | (312) 494-1530 |
| Bucktown Internet Group 2513 N Sawyer Ave, Chicago 60647 | (773) 782-0807 |
| Forms Systems 4001 W Devon Ave 207, Chicago 60646 | (773) 588-1317 |
| Bullett Group 368 W Huron St, Chicago 60610 | (312) 640-2950 |
| Bungie Software Products Corp 350 W Ontario St, Chicago 60610 | (312) 397-0500 |
| Bussiness Decisions Inc 5807 N Whipple St, Chicago 60659 | (773) 506-8050 |
| Katabat Corp 414 N Orleans St, Chicago 60610 | (312) 274-0800 |
| First Traders Analytical Sltns 311 S Wacker Dr 3800, Chicago 60606 | (312) 986-2007 |
| Five Sight Technologies Corp 213 N Morgan St # 1a, Chicago 60607 | (312) 432-0556 |
| C Man Software 1762 W Thome Ave, Chicago 60660 | (773) 465-7207 |
| Firevision 900 N Lake Shore Dr, Chicago 60611 | (312) 828-0408 |
| Feedforward Inc 75 E Wacker Dr, Chicago 60601 | (312) 704-4433 |
| Ffastfill Inc 30 S Wacker Dr 1716, Chicago 60606 | (312) 637-7090 |
| Fiancehetto Ltd 633 S Plymouth Ct, Chicago 60605 | (312) 663-9539 |
| Fidelio Technologies Inc 7411 N Seeley Ave, Chicago 60645 | (773) 274-6970 |
| Fieldglass Inc 125 S Wacker Dr, Chicago 60606 | (312) 759-1100 |
| Fastcam Inc 8700 W Bryn Mawr Ave 800, Chicago 60631 | (773) 693-5715 |
| Promira Software Corp 8410 W Bryn Mawr Ave, Chicago 60631 | (847) 685-6625 |
| Fatma Software Systems Inc 4753 N Broadway St, Chicago 60640 | (773) 334-5003 |
| F I Computer Svc 1941 W Fulton St, Chicago 60612 | (312) 421-1384 |
| Facility Wizards 1800 W Larchmont Ave, Chicago 60613 | (773) 832-0200 |
| Cartegraph 3113 W Logan Blvd, Chicago 60647 | (773) 292-9841 |
| Everdream Corp 2700 W Belmont Ave, Chicago 60618 | (773) 604-4430 |
| Ex Libris Usa Inc 1919 N Sheffield Ave, Chicago 60614 | (773) 404-5527 |
| Executive Strategies Inc 175 E Delaware Pl, Chicago 60611 | (312) 751-0804 |
| Exeq Inc 55 W Chestnut St, Chicago 60610 | (312) 233-2880 |
| Expand Beyond Co 750 N Orleans St 601, Chicago 60610 | (312) 587-9990 |
| Cartridge Connection 1151 W Eddy St, Chicago 60657 | (773) 327-3966 |
| Cast Software Inc 625 N Michigan Ave, Chicago 60611 | (312) 867-8810 |
| Catalyst Software Solutions 10 S Riverside Plz # 1800, Chicago 60606 | (312) 474-6078 |
| Espeedint 10 N Dearborn St 300, Chicago 60602 | (312) 252-5003 |
| Cdw Corp 120 S Riverside Plz 8, Chicago 60606 | (312) 879-1307 |
| Enviro Win Software Inc 850 W Jackson Blvd, Chicago 60607 | (312) 633-3219 |
| Equitrac Corp 221 N La Salle St, Chicago 60601 | (312) 609-1000 |
| Emerald Technologies Corp 3259 N Seminary Ave, Chicago 60657 | (773) 244-0092 |
| Emerging Solutions 20 N Wacker Dr, Chicago 60606 | (312) 223-0596 |
| Employease 100 N La Salle St, Chicago 60602 | (312) 419-1645 |
| Oatsystems 1444 N Orleans St, Chicago 60610 | (312) 440-0601 |
| Encore Lex Sstudio 17 N State St, Chicago 60602 | (312) 726-6060 |
| Enera Inc 1525 E 55th St, Chicago 60615 | (773) 955-4475 |
| Charles P Hargrave & Assoc Inc 680 N Lake Shore Dr 1900, Chicago 60611 | (312) 951-6484 |
| Charles Software 1611 E 55th St, Chicago 60615 | (773) 288-3316 |
| Check Point Software Tech Inc 20 N Wacker Dr 1211, Chicago 60606 | (312) 706-0830 |
| Electronics Imaging Svc 20 N Wacker Dr, Chicago 60606 | (312) 345-0501 |
| Element 5 550 W Van Buren St, Chicago 60607 | (312) 913-1190 |
| Chewy Software Llc 613 W Briar Pl, Chicago 60657 | (773) 525-7889 |
| Chicago Computer Club Corp 1641 E 87th St, Chicago 60617 | (773) 731-8888 |
| Eeye 1940 W Wellington Ave, Chicago 60657 | (773) 879-0441 |
| Effective Solutions Inc Po Box 93, Chicago 60690 | (312) 337-4433 |
| Election Systems & Software 33 N La Salle St # 1300, Chicago 60602 | (312) 419-0270 |
| Chicago Cyber Exchange 455 W North Ave, Chicago 60610 | (312) 337-4882 |
| Chicago Discount Computer Co 2639 W 79th St, Chicago 60652 | (773) 471-6586 |
| Chicago Financial Technology 1556 S Michigan Ave, Chicago 60605 | (312) 588-0006 |
| Chicago Medisoft Inc 220 S State St 1205, Chicago 60604 | (312) 554-3903 |
| Edgesy's Inc 203 N Wabash Ave, Chicago 60601 | (312) 795-1990 |
| Edisons Attic 33 N La Salle St 18, Chicago 60602 | (312) 346-4646 |
| Eagle International 6824 N Mendota Ave, Chicago 60646 | (773) 594-1472 |
| Easy Computers 6346 S Pulaski Rd, Chicago 60629 | (773) 735-9500 |
| Easy Screen 27 N Wacker Dr # 531, Chicago 60606 | (312) 939-9185 |
| Easy-Ware Corp 2052 N Lincoln Park W 614, Chicago 60614 | (773) 755-7732 |
| Ecco Llc 29 E Madison St, Chicago 60602 | (312) 346-0512 |
| Eccoware 141 W Jackson Blvd # 3402, Chicago 60604 | (312) 235-0154 |
| Chicago Technologies Solutions 6014 W Nelson St, Chicago 60634 | (773) 637-8367 |
| Dyna Vent Software 125 S Wacker Dr 300, Chicago 60606 | (312) 920-6337 |
| Katie Clark Chicago 60625 | (773) 463-1310 |
| E Media Communications Inc 2101 W Irving Park Rd, Chicago 60618 | (773) 267-8500 |
| Choice Parts 233 S Wacker Dr, Chicago 60606 | (312) 648-4099 |
| Dsd Inc 111 W Washington St, Chicago 60602 | (312) 223-8450 |
| Dst Technologies 120 S La Salle St, Chicago 60603 | (312) 541-5400 |
| Double M Trading 222 S Riverside Plz, Chicago 60606 | (312) 575-0586 |
| Dream World Software 950 N Michigan Ave, Chicago 60611 | (312) 751-9554 |
| Documetrics Inc 1256 N La Salle Dr, Chicago 60610 | (312) 255-0962 |
| Digiplex Solutions Inc 11412 S Lothair Ave, Chicago 60643 | (773) 233-2487 |
| Digital Lava Inc 530 W Cornelia Ave, Chicago 60657 | (773) 549-4501 |
| Derivative Solutions Inc 55 W Monroe St, Chicago 60603 | (312) 739-9393 |
| Destiny Software 203 N La Salle St, Chicago 60601 | (312) 588-1458 |
| Dfb Consulting 720 N Franklin St, Chicago 60610 | (312) 280-1115 |
| Delta 125 N Halsted St, Chicago 60661 | (312) 441-9507 |
| Delta Logic Inc 5044 N Winchester Ave, Chicago 60640 | (773) 561-0488 |
| Click Service Software Inc 8700 W Bryn Mawr Ave, Chicago 60631 | (773) 714-2829 |
| Code Green Inc 1800 W Larchmont Ave, Chicago 60613 | (773) 244-1199 |
| Davka Corp 3601 W Devon Ave, Chicago 60659 | (773) 583-2333 |
| Daystar Computer Systems 600 W Jackson Blvd 580, Chicago 60661 | (312) 831-2655 |
| Dbt Group 10 S Riverside Plz 1800, Chicago 60606 | (312) 346-1200 |
| Decision Resources Inc 7814 S Eberhart Ave, Chicago 60619 | (773) 224-4007 |
| Davinci Software 350 N La Salle Dr, Chicago 60610 | (312) 440-1000 |
| Commonman Innovative Tech 1526 N Bosworth Ave, Chicago 60622 | (773) 278-4087 |
| Technology Consortium Group 1727 S Indiana Ave, Chicago 60616 | (312) 212-1650 |
| Complete Document Imaging 9 W Hubbard St 301, Chicago 60610 | (312) 670-1600 |
| Computer Consultants-America 333 W Wacker Dr, Chicago 60606 | (312) 444-2046 |
| Computer Voice Systems 566 W Adams St, Chicago 60661 | (312) 980-8200 |
| Computerized Facility Intgrtn 20 N Wacker Dr # 2600, Chicago 60606 | (312) 236-2323 |
| Computers On Clark Inc 6402 N Clark St, Chicago 60626 | (773) 381-2765 |
| Computerworks Of Chicago 5153 N Clark St 207, Chicago 60640 | (773) 275-4437 |
| Comshare Inc 8755 W Higgins Rd 800, Chicago 60631 | (630) 353-1200 |
| Conexnet Corp 1020 S Wabash Ave 5d, Chicago 60605 | (312) 692-0898 |
| Connamara Systems Llc 200 W Jackson Blvd 1340, Chicago 60606 | (312) 360-1898 |
| Connected 1531 W Barry Ave, Chicago 60657 | (773) 327-0969 |
| Cyber Secure Corp 1229 N North Branch St, Chicago 60622 | (312) 787-7074 |
| Cyberconnect Inc 175 W Jackson Blvd, Chicago 60604 | (773) 622-5300 |
| Cyborg Systems Inc 120 S Riverside Plz 17, Chicago 60606 | (312) 454-1865 |
| Contact Dynamics 205 W Randolph St, Chicago 60606 | (312) 345-1344 |
| Convergys Corp 150 N Wacker Dr 960, Chicago 60606 | (312) 364-5901 |
| Coorens Communications Inc 2134 W Pierce Ave, Chicago 60622 | (773) 235-8688 |
| Identify Software 10 S Riverside Plz, Chicago 60606 | (312) 474-7732 |
| Adeptia Inc 443 North Clark Street, Suite 350, Chicago 60654 | (312) 229-1727 |