American Stores Properties
Burling Builders
Capital Construction Group
Catholic Charities of Chicago
Chicago Housing Authority (CHA)
Chicago Public Schools (CPS)
City of Chicago
City of Park Ridge
Clark Construction
DePaul University
Development Resources, Inc.
Dominick's Finer Foods
Eastlake Management
General Growth Management
Graycor Construction
Hartshorne & Plunkard
Hiffman Shaffer Associates
Hines Interests LP

IDOT
Imperial Realty
James McHugh Construction Co.
J-MAC Associates, LTD.
KBL Construction
Lakeside Bank
LINN-MATHES
Mc4West Constructors (McCormick Place)
M-Development
Meccon
Mesirow Financial Real Estate
Metropolitan Development
Midwest Property Group
Mortenson
Nalco Chemical
Norcon, Inc
Peoples Gas

Pepper Construction
Power Construction
Public Building Commission (PBC)
Pyramid West Development
R. Schwarz & Associates
Resurrection Health Care
Smithfield Construction
St. Ignatius College Prep
Sun Chemical
Sussex & Reilly
Teng & Associates
Turner Construction
U of C Hospital
Village of Forest Park
Village of Glenview
W. E. O'Neil
Walsh Construction