| Business | Phone |
| A Computer Wiz 1660 W 104th St, Chicago 60643 | (773) 239-9022 |
| Advance Software 3021 S Emerald Ave, Chicago 60616 | (312) 225-2784 |
| Alliance Consulting Group 111 E Wacker Dr, Chicago 60601 | (312) 819-1290 |
| Alpha Zeta 8 S Michigan Ave 37, Chicago 60603 | (312) 263-2419 |
| Atis International 175 W Jackson Blvd 401, Chicago 60604 | (312) 604-8077 |
| George John Inc 213 N Morgan St, Chicago 60607 | (312) 738-6129 |
| Fact Set Research Systems Inc 311 S Wacker Dr, Chicago 60606 | (312) 386-2500 |
| Eventive Llc 817 W Superior St, Chicago 60622 | (312) 997-2393 |
| Essential Forms Inc 2956 N Washtenaw Ave, Chicago 60618 | (773) 279-9394 |
| Effective Systems Corp 1319 W Granville Ave, Chicago 60660 | (773) 338-3044 |
| Eds Angela Larson 1703 W Catalpa Ave, Chicago 60640 | (773) 334-3946 |
| Computer Associates Intl Inc 8755 W Higgins Rd 100, Chicago 60631 | (773) 353-6400 |
| Lyons Consulting Group 405 W Superior St, Chicago 60610 | (312) 506-2020 |
| Kairos Management 3514 W Jackson Blvd, Chicago 60624 | (773) 533-0403 |
| Labor Partners 203 N La Salle St 2100, Chicago 60601 | (312) 558-1593 |
| Lanac Technology Corp 222 N La Salle St, Chicago 60601 | (312) 201-8808 |
| Molleur Techonologies Inc 55 W Wacker Dr, Chicago 60601 | (312) 346-3360 |
| Strategic Information Solution 200 N La Salle St 900, Chicago 60601 | (312) 422-1552 |
| Teamwerks 111 E Wacker Dr, Chicago 60601 | (312) 819-8888 |
| Management Computer Systems 33 N La Salle St, Chicago 60602 | (312) 263-2297 |
| Kristine Fallon Assoc Inc 30 E Adams St 1040, Chicago 60603 | (312) 641-9339 |
| Key Strokes Inc 1528 S Wabash Ave, Chicago 60605 | (312) 427-4963 |
| Optima Business Systems 1130 S Michigan Ave 4009, Chicago 60605 | (312) 554-1535 |
| Sos Chicago 542 S Dearborn St 650, Chicago 60605 | (312) 427-8050 |
| Information Management Group 200 W Monroe St, Chicago 60606 | (312) 222-9400 |
| Magnify Inc 100 S Wacker Dr 1130, Chicago 60606 | (312) 214-1420 |
| Northrop Grumman Info Tech 300 S Wacker Dr 1150, Chicago 60606 | (312) 922-1300 |
| O E Systems Inc 150 S Wacker Dr 2950, Chicago 60606 | (312) 621-2350 |
| Sagent Technology 333 W Wacker Dr, Chicago 60606 | (312) 444-2922 |
| Vision Technology Intl 216 W Jackson Blvd, Chicago 60606 | (312) 332-7220 |
| National Health Delivery Systs 801 S Wells St 1209, Chicago 60607 | (312) 642-4655 |
| Srv Network Inc 815 W Van Buren St 520, Chicago 60607 | (312) 432-1200 |
| Taylor Microcomputer Cnsltng 1528 W Adams St, Chicago 60607 | (312) 432-9991 |
| Horrigan Analytics 1460 N Sandburg Ter 1001, Chicago 60610 | (312) 642-8272 |
| Information Design Assoc 770 N La Salle Dr, Chicago 60610 | (312) 943-4636 |
| Lighthouse Systems Inc 900 N Franklin St 304, Chicago 60610 | (312) 654-0536 |
| Nimrod Systems Ltd 200 W Superior St, Chicago 60610 | (312) 661-0101 |
| Power Software Development Ltd 350 W Hubbard St 210, Chicago 60610 | (312) 828-9260 |
| Revere Group 325 N La Salle Dr, Chicago 60610 | (847) 790-9800 |
| Info Technologies Consulting 440 N Wabash Ave, Chicago 60611 | (312) 644-1987 |
| Intermarket Leasing Corp 25 E Superior St 2802, Chicago 60611 | (312) 399-4861 |
| Market Time Inc 645 N Michigan Ave, Chicago 60611 | (312) 266-6060 |
| Raymond Miller & Assoc 215 E Chestnut St, Chicago 60611 | (312) 787-1448 |
| T L Hueser & Assoc 21 E Chestnut St, Chicago 60611 | (312) 649-0491 |
| Transition Systems Inc 401 E Ontario St, Chicago 60611 | (312) 245-0060 |
| Oak Systems Group Inc 2518 E 97th St, Chicago 60617 | (773) 734-0600 |
| Jordan Webb Info Systems Ltd 2656 W Montrose Ave 110, Chicago 60618 | (773) 463-2288 |
| L-Tech Enterprises 4122 N Harding Ave, Chicago 60618 | (773) 267-1515 |
| Wheeler Multimedia Consulting 2724 W Montrose Ave, Chicago 60618 | (773) 866-2438 |
| William A Walsh & Assoc 2656 W Montrose Ave, Chicago 60618 | (847) 670-8981 |
| Pas Inc 8115 S Maryland Ave, Chicago 60619 | (773) 783-0200 |
| Hpbm Computer Networking 7714 S Paulina St, Chicago 60620 | (773) 487-5458 |
| John Enright Consulting Inc 9400 S Damen Ave, Chicago 60620 | (773) 881-0767 |
| Joe Vangsness Consulting Inc 833 W Chicago Ave, Chicago 60622 | (312) 455-1126 |
| Knowledge Fusion Ltd 1405 N Cleaver St, Chicago 60622 | (773) 772-7772 |
| Professional Consulting Svc 1415 N Dayton St, Chicago 60622 | (312) 664-7000 |
| Sandbox Digital Playground 854 N Milwaukee Ave, Chicago 60622 | (312) 372-1170 |
| Videographics Design Ltd 1922 N Honore St, Chicago 60622 | (773) 489-4199 |
| Penick & Assoc 6722 N Ashland Ave, Chicago 60626 | (773) 508-5214 |
| Select Database Svc 1112 W Albion Ave, Chicago 60626 | (773) 354-2105 |
| Kozlowski & Assoc Inc Chicago 60629 | (773) 838-1640 |
| Innovative Computer Concepts 5248 W Agatite Ave, Chicago 60630 | (773) 202-1727 |
| Manageware 5120 W Wilson Ave, Chicago 60630 | (773) 283-0313 |
| Masterpiece Solutions Inc 5104 N Kostner Ave, Chicago 60630 | (773) 685-4471 |
| Mark A Blaszcyk & Assoc 6127 N Northwest Hwy, Chicago 60631 | (773) 774-3535 |
| Technium Inc 8745 W Higgins Rd 350, Chicago 60631 | (773) 380-0555 |
| Think Fast Consulting 8700 W Bryn Mawr Ave, Chicago 60631 | (773) 714-9999 |
| Upbase Systems Inc 8700 W Bryn Mawr Ave, Chicago 60631 | (773) 714-4973 |
| Meme Factory Inc 5512 S Woodlawn Ave, Chicago 60637 | (773) 363-2105 |
| Heh Business Systems Inc 4716 N Paulina St, Chicago 60640 | (773) 275-2555 |
| Interactive Visuals Inc 5234 N Wayne Ave, Chicago 60640 | (773) 275-0510 |
| Murray Consulting Inc 5455 N Sheridan Rd 3410, Chicago 60640 | (773) 334-6439 |
| Ubiq Ltd 127 S Mason Ave, Chicago 60644 | (773) 261-7103 |
| Thalian System Inc 5949 N Kilpatrick Ave, Chicago 60646 | (847) 204-5994 |
| Karrys' Computing 3241 N Ravenswood Ave, Chicago 60657 | (773) 248-9278 |
| Portable Software Systems 1846 W Eddy St, Chicago 60657 | (773) 525-0519 |
| On-Course Technologies 621 W Randolph St, Chicago 60661 | (312) 258-1000 |
| Paragon Consulting Group 566 W Adams St, Chicago 60661 | (312) 669-9500 |
| Emercent Solutions 180 N Michigan Ave, Chicago 60601 | (312) 279-6000 |
| Imagexperts Inc 310 N Michigan Ave, Chicago 60601 | (312) 372-7797 |
| Nex Gen Solutions Corp 360 E Randolph St, Chicago 60601 | (312) 240-1100 |
| Olenick & Assoc 203 N La Salle St 2100, Chicago 60601 | (312) 214-2577 |
| Psychofish 180 N Stetson Ave 810, Chicago 60601 | (312) 819-4040 |
| Sas Institute Inc 180 N Stetson Ave 16, Chicago 60601 | (312) 819-6800 |
| Silvertrain Inc 180 N La Salle St, Chicago 60601 | (312) 853-4444 |
| Solving It Intl 205 N Michigan Ave, Chicago 60601 | (312) 228-9500 |
| Strata Decision Technology 233 N Michigan Ave, Chicago 60601 | (312) 726-1227 |
| Technology Solutions Co 205 N Michigan Ave 1500, Chicago 60601 | (312) 228-4500 |
| Sofbang 17 N State St, Chicago 60602 | (312) 795-0264 |
| Soft Scape 111 W Washington St, Chicago 60602 | (312) 357-1900 |
| Systemguru Inc 30 N Michigan Ave, Chicago 60602 | (312) 263-0360 |
| Unica Corp 70 W Madison St 1400, Chicago 60602 | (312) 214-3107 |
| Highland Group Inc 55 E Monroe St 3830, Chicago 60603 | (312) 863-7500 |
| John Galt Solutions 125 S Clark St 1950, Chicago 60603 | (312) 701-9026 |
| Straty's 55 W Monroe St, Chicago 60603 | (312) 214-0008 |
| Forensicon 226 S Wabash Ave, Chicago 60604 | (312) 427-5667 |
| Guava Tech 141 W Jackson Blvd, Chicago 60604 | (312) 327-0008 |
| International Teknologies 220 S State St, Chicago 60604 | (312) 431-9434 |
| Macstop Inc 141 W Jackson Blvd, Chicago 60604 | (312) 427-6098 |
| One Ecomony Corp 247 S State St 1320, Chicago 60604 | (312) 987-9140 |
| Pat Systems 141 W Jackson Blvd 3100, Chicago 60604 | (312) 922-7600 |
| Pci Perrycom Inc 234 S Wabash Ave, Chicago 60604 | (312) 583-9775 |
| Ponvia Technology Devmnt Ctr 14 E Jackson Blvd, Chicago 60604 | (312) 377-0168 |
| Risc Information Systems 175 W Jackson Blvd, Chicago 60604 | (312) 604-8160 |
| Zexston Consulting 220 S State St, Chicago 60604 | (312) 377-0444 |
| Omni Media Studio Inc 1529 S State St 1511, Chicago 60605 | (312) 464-9427 |
| System One 600 S Federal St, Chicago 60605 | (312) 939-0475 |
| Greater Arc Technologies 205 W Wacker Dr 1320, Chicago 60606 | (312) 726-4848 |
| Herzum Software 175 N Franklin St, Chicago 60606 | (312) 332-0931 |
| Kinahan Computer Svc 150 S Wacker Dr 2235, Chicago 60606 | (312) 551-9960 |
| Maximum Entropy 333 W Wacker Dr 500, Chicago 60606 | (312) 263-1930 |
| Moore Computer Svc 230 W Monroe St, Chicago 60606 | (312) 332-7590 |
| Mythryn 175 N Franklin St, Chicago 60606 | (312) 252-2222 |
| Pattern Recognition 191 N Wacker Dr 1500, Chicago 60606 | (312) 604-7902 |
| Stivers Computer Svc 200 W Monroe St 1300, Chicago 60606 | (312) 558-3579 |
| System Services Corp 318 W Adams St, Chicago 60606 | (312) 553-4200 |
| Ventura Computer Technologies 201 N Wells St, Chicago 60606 | (312) 332-3250 |
| Ydim Inc 345 N Canal St, Chicago 60606 | (312) 382-9220 |
| Brian Naasz 910 W Lake St, Chicago 60607 | (312) 829-0861 |
| Marstech Solutions Inc 850 W Jackson Blvd 650, Chicago 60607 | (312) 243-8600 |
| Morrisey Associates 800 W Jackson Blvd, Chicago 60607 | (312) 431-0123 |
| National Computer Lottery Info 37 S Ashland Ave, Chicago 60607 | (312) 829-8122 |
| Oronova 954 W Washington Blvd 200, Chicago 60607 | (312) 491-1455 |
| Parallax Technical Svc 120 N Green St 2a, Chicago 60607 | (312) 563-9999 |
| Rkon Inc 820 W Jackson Blvd 550, Chicago 60607 | (312) 654-0300 |
| Wonomi Technologies 712 S Aberdeen St 3a, Chicago 60607 | (312) 961-1027 |
| P C Svc & Consulting 3508 S Halsted St, Chicago 60609 | (773) 847-9910 |
| Wellsnet Computer Svc 5429 S Ashland Ave, Chicago 60609 | (773) 476-9057 |
| Icon Resources 1050 N State St 210, Chicago 60610 | (312) 573-0142 |
| International Systems Corp 351 W Hubbard St 501, Chicago 60610 | (312) 222-1364 |
| Madtech Inc 550 N Kingsbury St 618, Chicago 60610 | (312) 755-0251 |
| Model Metrics 750 N Orleans St, Chicago 60610 | (312) 587-3037 |
| Revere Group 325 N La Salle Dr 325, Chicago 60610 | (312) 873-3400 |
| Sa D2 Interactive Inc 213 W Institute Pl, Chicago 60610 | (773) 327-1862 |
| Silver Systems Inc Chicago 60610 | (312) 664-7024 |
| Steve's Computer Solutions 1555 N Mohawk St, Chicago 60610 | (312) 640-1314 |
| Studio Satellite 223 W Erie St 5sw, Chicago 60610 | (312) 787-7005 |
| Supply Chain Consulting Svc 101 W Grand Ave, Chicago 60610 | (312) 510-1984 |
| Tech Angels 850 N State St 16, Chicago 60610 | (312) 951-7500 |
| Triton-Tek 225 W Ohio St, Chicago 60610 | (312) 467-9201 |
| Vnp Software Inc 440 N Wells St, Chicago 60610 | (312) 755-0112 |
| Affordable Pc Solutions Inc Chicago 60611 | (312) 321-0277 |
| Insyte Datacom Corp 664 N Michigan Ave, Chicago 60611 | (312) 664-6524 |
| Jaryn Management Conslnt Svc 57 E Delaware Pl, Chicago 60611 | (312) 642-3573 |
| Onshore Technology Group 505 N Lake Shore Dr, Chicago 60611 | (312) 321-6400 |
| Paragon Consulting Group Inc 444 N Michigan Ave, Chicago 60611 | (312) 321-7687 |
| Richard Knorr Intl Ltd 455 E Illinois St 575, Chicago 60611 | (312) 595-9705 |
| Savitz Research Ctr 444 N Michigan Ave, Chicago 60611 | (312) 670-1012 |
| Systems Specialist 500 N Michigan Ave, Chicago 60611 | (312) 751-1500 |
| Zillex Inc 207 E Ohio St 367, Chicago 60611 | (773) 784-1500 |
| Yasmar Inc Chicago 60612 | (312) 942-9878 |
| Interactive Visuals Inc 1434 W Montrose Ave, Chicago 60613 | (773) 275-5039 |
| Logika Corp 3717 N Ravenswood Ave 243, Chicago 60613 | (773) 529-3482 |
| Mstoner Llc 1800 W Larchmont Ave, Chicago 60613 | (773) 404-2657 |
| On Call Computer Network 834 W Montrose Ave, Chicago 60613 | (773) 271-9935 |
| Interactix Corp 1735 W Diversey Pkwy, Chicago 60614 | (773) 348-3700 |
| Neohapsis 1828 W Webster Ave, Chicago 60614 | (773) 394-8310 |
| Pro Connect 2424 N Clark St, Chicago 60614 | (773) 868-0044 |
| Saedi Ideas Inc 1654 N Bissell St, Chicago 60614 | (312) 642-5648 |
| Pomerleau Computing Systems 5305 S Cornell Ave, Chicago 60615 | (773) 667-2075 |
| Sierra Consulting Group Inc 4856 S Champlain Ave, Chicago 60615 | (773) 726-5909 |
| Tek Vision 438 E 49th St, Chicago 60615 | (773) 624-8062 |
| Jam.Net Inc 1631 S Michigan Ave, Chicago 60616 | (312) 360-0426 |
| Lan Data Systems Inc 244 W 31st St, Chicago 60616 | (312) 521-7171 |
| Vision I Systems 2416 S Canal St, Chicago 60616 | (312) 326-9188 |
| Innovative Digital Solutions 3647 N Troy St, Chicago 60618 | (773) 539-5889 |
| Jasmine Computers 4031 N Monticello Ave, Chicago 60618 | (773) 866-1288 |
| Studio Tk 2817 N Oakley Ave, Chicago 60618 | (773) 276-4070 |
| Vivid Technologies 3423 N Albany Ave, Chicago 60618 | (773) 267-2494 |
| Datageeks Inc 9324 S Union Ave, Chicago 60620 | (773) 994-8989 |
| Universal Systems Group 9415 S Western Ave, Chicago 60620 | (773) 298-0325 |
| Rsf Enterprise 5645 S Emerald Ave, Chicago 60621 | (773) 651-9152 |
| Intrust Group 935 W Chestnut St 470, Chicago 60622 | (312) 226-0101 |
| Invinia Solutions 1609 N Wolcott Ave, Chicago 60622 | (773) 276-6390 |
| Mjm Solutions 833 W Chicago Ave, Chicago 60622 | (312) 733-5300 |
| Next Generation Inc 950 W Huron St, Chicago 60622 | (312) 226-5956 |
| Professional Technology Sltns 2444 W Haddon Ave, Chicago 60622 | (773) 276-7951 |
| Publishing Solutions 1128 W Chicago Ave, Chicago 60622 | (312) 226-2227 |
| Rosenthal Associates Inc 770 N Halsted St, Chicago 60622 | (773) 278-1234 |
| Solec Systems Inc 1518 N Leavitt St, Chicago 60622 | (312) 394-9337 |
| T-26 1110 N Milwaukee Ave, Chicago 60622 | (773) 862-1201 |
| Tahoe Partners 770 N Halsted St, Chicago 60622 | (312) 491-3000 |
| Technical Youth 770 N Halsted St 100, Chicago 60622 | (312) 243-2670 |
| Visortech Inc 2515 W Cortez St 1, Chicago 60622 | (773) 342-8998 |
| Adw Group Chicago 60624 | (773) 533-1333 |
| Scribtech Management Svc 3406 W Arthington St, Chicago 60624 | (773) 722-7503 |
| Hans H Wegener Ltd 4421 N Artesian Ave, Chicago 60625 | (773) 478-5899 |
| Joe Getz Consltnt 4667 N Manor Ave, Chicago 60625 | (773) 463-1616 |
| Raja Tech 2925 W Summerdale Ave, Chicago 60625 | (773) 271-0812 |
| Zues Plus Consulting 1822 W Farwell Ave, Chicago 60626 | (773) 743-5709 |
| Pinrod Corp Chicago 60629 | (773) 284-9500 |
| Universal Computer Systems 5373 N Milwaukee Ave, Chicago 60630 | (773) 763-0984 |
| Encore Consulting Svc Inc 8770 W Bryn Mawr Ave 13, Chicago 60631 | (708) 867-8026 |
| Jdm Infrastructure 8770 W Bryn Mawr Ave 8, Chicago 60631 | (847) 963-1800 |
| John G Mulroe Pc 6687 N Northwest Hwy, Chicago 60631 | (773) 775-8086 |
| Mahoney Consulting Svc 6735 W Raven St, Chicago 60631 | (773) 631-3019 |
| Midway Computer Svc 6415 W 63rd St, Chicago 60638 | (773) 788-9118 |
| Motion Analysis 1807 W Sunnyside Ave 1a, Chicago 60640 | (773) 769-6152 |
| Logic Development 3832 N Keeler Ave, Chicago 60641 | (773) 282-9119 |
| Mid Range Professionals 4832 W Montrose Ave, Chicago 60641 | (773) 205-0519 |
| Progressive Programming Inc 3425 N Lavergne Ave, Chicago 60641 | (773) 777-6257 |
| Derrick Simpson Inc 1535 W 114th Pl, Chicago 60643 | (773) 779-3181 |
| Colon Juan Systems Inc 6216 N Kirkwood Ave, Chicago 60646 | (773) 384-0205 |
| Naviture Inc 6122 N Kedvale Ave, Chicago 60646 | (773) 777-6069 |
| Nicplex Corp 6200 N Hiawatha Ave, Chicago 60646 | (773) 481-4965 |
| Xb Communications Chicago 60646 | (773) 332-4066 |
| Mct Now 1877 N Milwaukee Ave, Chicago 60647 | (773) 851-8291 |
| Premier Technologies Solutions 2068 N Humboldt Blvd, Chicago 60647 | (773) 292-9927 |
| Tech Serv Highpoint 2429 N California Ave, Chicago 60647 | (773) 235-4421 |
| On Point Production Inc 7636 S Saginaw Ave, Chicago 60649 | (773) 221-0051 |
| Information Design Solutions 3333 W 111th St, Chicago 60655 | (773) 238-9702 |
| Topcall Corp 3312 W 111th St, Chicago 60655 | (773) 239-1655 |
| Impulse Enterprises Inc 3340 N Clark St, Chicago 60657 | (773) 935-9412 |
| Shifman Consulting 2828 N Burling St, Chicago 60657 | (773) 391-0595 |
| Tracy Coleman Consltnt 1238 W Fletcher St, Chicago 60657 | (773) 388-1901 |
| Whs 2836 N Paulina St, Chicago 60657 | (773) 404-3152 |
| Medical Data System Inc 6337 N Rockwell St, Chicago 60659 | (847) 864-4079 |
| Advanced Solutions 156 N Jefferson St, Chicago 60661 | (312) 876-0200 |
| Edu Sys 125 N Halsted St, Chicago 60661 | (312) 756-1709 |
| Interactive Business Systems 118 S Clinton St 500, Chicago 60661 | (312) 669-9740 |
| Intravex Llc 118 N Clinton St, Chicago 60661 | (312) 993-0760 |
| Jsg Consulting Llc 566 W Lake St, Chicago 60661 | (312) 655-0799 |
| Keane Inc 500 W Madison St, Chicago 60661 | (312) 756-2000 |
| Mesa Technology 309 N Union Ave, Chicago 60661 | (312) 715-2015 |
| Modularis 130 S Jefferson St, Chicago 60661 | (312) 648-1740 |
| Pc Experts Inc 566 W Lake St 495, Chicago 60661 | (312) 258-1510 |
| Trillium Digital Imaging Inc 650 W Lake St, Chicago 60661 | (312) 906-8799 |
| SPAAN Tech, Inc. 311 S. Wacker Drive, Suite 2400, Chicago 60606 | (312) 277-8800 |