3M
Advocate Health Care
AIT Worldwide Logistics, Inc.
Alliant Energy
Allstate
American Airlines
American Family Insurance
American Hotel Register Company
AT&T
Bank of America
Baxter Healthcare Corporation
Best Buy Corporation
BP America
BUNN
C.H. Robinson Worldwide, Inc.
Cardinal Health
Cargill, Inc.
CDW
Chicago Public Schools
Citi
City of Chicago
ComEd/Exelon Corporation
Continental Casualty Company (CNA)
Cook County
Cooper Industries
Cub Foods
Deluxe Corporation
Ecolab
Ernst & Young LLP
Federal Reserve Bank of Chicago
Fredrikson & Byron, P.A.
Harley-Davidson Motor Company
Harris N.A.
Health Care Service Corporation/BlueCross BlueShield of Illinois
Kraft Foods
Leo Burnett USA, Inc.
Lurie Besikof Lapidus & Company, LLP
M&I Bank
Macy’s
Major League Baseball
Manpower
Marathon Petroleum Company
MarketSphere Consulting
MasterCard Worldwide
Mayo Clinic
Medtronic, Inc.
Metropolitan Pier & Exposition Authority (MPEA)
Microsoft Corporation
Minneapolis Public School District
Motorola, Inc.
Nicor Gas
The Nielsen Company
Northern Trust
Northwestern University – Purchasing Resource Services
Office Depot
OfficeMax
Owens & Minor, Inc.
Pepper Construction Co.
PepsiCo, Inc.
RubinBrown LLP
Rush University Medical Center
Smurfit-Stone Container Corp.
Southwest Airlines
Staples, Inc.
State of Illinois
SUPERVALU, Inc.
Target Corporation
Turner Construction Company
U.S. Bank
U.S. Cellular
United Airlines
United Parcel Service (UPS)
The University of Chicago
The University of Chicago Medical Center
University of Illinois at Chicago (UIC)
W.W. Grainger, Inc.
Walgreen Co.
Wisconsin Energy Corporation
Wm. Wrigley Jr. Company
Xcel Energy
 

 *Corporate & Government Partners listed as of 1-1-11