| AMERICAN LAND OFFICE | 1550 SPRING RD OAK BROOK, IL | (630) 530-7995 |
| BETMAN PROPERTY MANAGEMENT | OAK BROOK, IL | (630) 789-9998 |
| BUCK MANAGEMENT GROUP THE | 2122 YORK RD OAK BROOK, IL | (630) 574-0202 |
| CUSHMAN AND WAKEFIELD STATE STREET INC | 2001 SPRING RD OAK BROOK, IL | (630) 574-8250 |
| EQUITY OFFICE PROPERTIES TRUST | OAK BROOK, IL | (630) 571-4910 |
| HAMILTON PARTNERS | 2803 BUTTERFIELD RD OAK BROOK, IL | (630) 571-9666 |
| JORMAN GROUP THE | 2215 YORK RD OAK BROOK, IL | (630) 571-0211 |
| LINCOLN PROPERTY COMPANY | 2603 W 22ND ST OAK BROOK, IL | (630) 954-7000 |
| MID-AMERICA MANAGEMENT CORP | 2901 BUTTERFIELD RD OAK BROOK, IL | (630) 932-6666 |
| OAK BROOK REGENCY TOWERS | 1515 W 22ND ST OAK BROOK, IL | (630) 574-7745 |
| OAKBROOK INTERNATIONAL | 2803 BUTTERFIELD RD OAK BROOK, IL | (630) 571-9666 |
| SCRIBCOR MANAGEMENT AT BUTTERFIELD CENTER | 3003 BUTTERFIELD RD OAK BROOK, IL | (630) 368-0500 |
| STEWART TITLE COMPANY | 1315 W 22ND ST OAK BROOK, IL | (630) 571-2116 |
| U S EQUITIES ASSET MANAGEMENT | 903 COMMERCE DR OAK BROOK, IL | (630) 371-2182 |
| URBAN RETAIL PROPERTIES CO | 100 OAKBROOK CTR OAK BROOK, IL | (630) 573-0700 |
| WHOBT REAL ESTATE LTD PARTNERSHIPS | 1515 W 22ND ST OAK BROOK, IL | (630) 574-7745 |