25 E. Washington
26-34 South State
444 N. Michigan Avenue
Alliance Real Estate Services, LLC
Ameri-Con Enterprices LLC
American Invsco Corp.
American National Bank
Archon Group
Baker & McKenzie
Bank of Mauritius
Barrington Ventures, LLC
Berger Newmark & Fenchel P.C.
BREA Property Management
Cabot, Cabot & Forbes
CB Richard Ellis, Inc.
Cornerstone Medical Development
Cushman & Wakefield of Illinois
D & N Land Company
Draper and Kramer Inc.
Energy  Systems Group, LLC
Equis Corporation
European American Realty
Fiefield Realty Corporation
Fimat Futures USA, Inc.
Flynn Financial Corporation
Frisson, LLC
Golub & Company
Grand Pier Center, LLC
Grubb & Ellis Company
GVA Williams
Harris N.A.
Hines Interests L.P.
Insignia/ESG, Inc.
J.F. McKinney & Associates Ltd.
Jones Lang LaSalle Americas, Inc.
Kirkland & Ellis LLP
LB Streeterville LLC
Lincoln Property Company
Litchfield Cavo
Millbrook Properties
NAI Hiffman
Oak Brook Regency Towers (WHOBT Real
    Estate LP)
Omni/Chicago
One North State Building (W9/ONS Real
    Estate LP)
ORIX Real Estate Equities, Inc
Parkway Properties, Inc.
Pinnacle Performance Group, Inc.
PM Realty
PNC Bank
Prentiss Properties Limited, Inc.
Radogno, Cameli & Hoag, P.C.
RN Realty
Romanek Properties, Inc
Scariano, Himes & Petrarca
Shorenstein Realty Services, L.P.
T. F. Clarke Associates
The Beitler Company
The John Buck Company
The Limited, Inc.
The Oxford Companies
The Prime Group
The Prudential Insurance Co.of America
The Rreef Funds
The Tucker Companies
Townsend Capital, LLC
Tucker Development Corporation
Two Illinois Center Redevelopment
U.S. Equities Realty, LLC
Urban Innovations, Ltd.
Urban Retail Properties Co.
USA One National Credit Union
Van Vlissingen & Company
Venterra Sales & Management
Wal-Mart Property