528 Group
Abbott Laboratories
Accenture
Allstate Financial
Aon Consulting
Ariel Capital Management
Bank One
Baxter Healthcare
Blue Cross Blue Shield of Illinois
BOA - Banc of America Futures, Inc.
BP
Capital H Group
Charter One Bank
CIBC Oppenheimer
Corey Steel Company
FCB/Chicago
Federal Reserve Bank of Chicago
First American Bank
Frankel
Golin/ Harris International
Great West Insurance Co.
GTCR
HSBC
Humana Inc.
Huron Consulting Group
IBM

Kirkland & Ellis
Laramar Group LLC
LaSalle Bank
Lipman Hearne
Mayer Brown Row and Maw
Mercer Human Resources Consulting, Inc.
Motorola
New Horizons Marketing, Inc.
Northern Trust Company
Oracle Consulting
Performics, Inc.
PricewaterhouseCoopers
Quarles & Brady LLC
Ralph Weiner & Assoc
Rose & Associates
Sara Lee Corporation
Sargent & Lundy LLC
Schiff Hardin & Waite
Sonnenschein, Nath & Rosenthal
STA Group, LLC
The Northern Trust Company
The Segal Company
Transcap Trade Finance LLC
Watermark PR
William Blair & Company
Xerox Connect