| ACUENT INC | 2809 BUTTERFIELD RD OAK BROOK, IL | (630) 368-4900 |
| ARTIOS CORP | 2015 SPRING RD OAK BROOK, IL | (630) 573-9155 |
| CANDLE CORP | 1515 W 22ND ST OAK BROOK, IL | (630) 472-8400 |
| CLICK SOFTWARE INC | 2625 BUTTERFIELD RD OAK BROOK, IL | (630) 368-1007 |
| CONFIGURE ONE | 900 JORIE BLVD OAK BROOK, IL | (630) 368-9950 |
| COSAWEB TECHNOLOGIES | 2 MID AMERICA PLZ OAK BROOK, IL | (630) 575-2936 |
| DALY COMMERCE | 3001 BUTTERFIELD RD OAK BROOK, IL | (630) 368-9216 |
| DSQ SOFTWARE CORP | 1919 MIDWEST RD OAK BROOK, IL | (630) 889-9720 |
| GLENBOROUGH PROPERTIES | 2907 BUTTERFIELD RD OAK BROOK, IL | (630) 574-7903 |
| GROUP 1 SOFTWARE | 1515 W 22ND ST OAK BROOK, IL | (630) 573-1121 |
| HITACHI INTERNET WORKING | 1415 W 22ND ST OAK BROOK, IL | (630) 684-2380 |
| KIMBERLY & ASSOCS | 1415 W 22ND ST OAK BROOK, IL | (630) 684-2237 |
| LANDMARK SYSTEMS CORP | 2625 BUTTERFIELD RD OAK BROOK, IL | (630) 954-3322 |
| LANSA USA INC | 1520 KENSINGTON RD OAK BROOK, IL | (630) 954-5873 |
| LIGHTSCOPE TECHNOLOGIES | 1415 W 22ND ST OAK BROOK, IL | (630) 573-9600 |
| PCS DATA CONVERSION INC | 1211 W 22ND ST OAK BROOK, IL | (630) 990-4585 |
| PERFORMANCE SOFTWARE | 1415 W 22ND ST OAK BROOK, IL | (630) 684-2380 |
| QUADTEC SOLUTIONS INC | 2 MID AMERICA PLZ OAK BROOK, IL | (630) 775-0300 |
| REUTERS INFORMATION TECHNOLOGY | 1400 KENSINGTON RD OAK BROOK, IL | (630) 574-7424 |
| S P R | 2015 SPRING RD OAK BROOK, IL | (630) 575-6200 |
| SOLID INFORMATION TECHNOLOGY | 700 COMMERCE DR OAK BROOK, IL | (630) 288-4920 |
| STRATEGIC STAFFING SOLUTIONS INC | 1415 W 22ND ST OAK BROOK, IL | (630) 571-0012 |
| TASCH MARTIN D LAW OFFICES OF | 1200 JORIE BLVD OAK BROOK, IL | (630) 571-9000 |
| VERITAS SOFTWARE CORP | 2021 SPRING RD OAK BROOK, IL | (630) 574-0222 |