| Abbott Laboratories |
ABN Amro Bank N.V. |
Abraxis BioScience, Inc. |
| ABT Electronics |
AIT Worldwide Logistics |
American Hospital Association |
| American Pharmaceutical Partners |
Aqua Scape Designs |
Arthur J. Gallagher |
| Bank Life |
Banta Corp. |
Baxter Credit Union |
| BDPA |
Berlin Industries, Inc. |
BP |
| CECTF- Secret Service |
Central States Pension Fund |
CFC International |
| Chicago Authority |
Chicago Board of Trade |
Chicago Housing Authority |
| Chicago Metro. Pier & Expo. Authority |
Chicago Public Schools |
Chicago Tube & Iron Co. |
| CIMCO Communications |
City of Rock Island |
Clark Consulting |
| Clark, Inc. |
CNA Financial Corp. |
College of American Pathologists |
| Conseco/Bankers Life |
Crane Composites |
DCFS (Illinois Dept. of Children & Family Services) |
| DePaul University |
Diversified Search Services |
Easter Seals, Inc. |
| Edward Hines Lumber Co. |
Elkay Manufacturing |
Enesco |
| Evanston Northwest Healthcare |
Exelon Corp. |
Federal Reserve Bank |
| Fiserv, Inc. |
Flexco |
Follett Corporation |
| GATX Corp. |
Gottlieb Memorial Hospital |
Grant Thornton International |
| Griffith Labs |
Ground Floor Finance |
Harper College |
| Hartmarx |
Heads and Threads International |
Heartland Community College |
| HSBC Technology Services |
Hubbard Decision Research |
Huron Consulting Group |
| i.c. stars |
IDEX Corporation |
Illinois CIO Exchange, Inc. |
| Illinois Toll Highway Authority |
Initial Security |
International Data Group |
| IT Executive Exchange (ITEEx) |
ITA Group |
iTest Quality Partners |
| Jackson Park Hospital |
Kane County |
Komatsu America Corp. |
| Lawson Products, Inc. |
Lewis University |
Littlelfuse |
| Marcus Corporation |
McHenry County Government Center |
Medline Industries |
| Metavante Corporation |
Metropolitan Pier & Exposition Authority |
Molex |
| Moraine Valley Community College |
Morton College |
Motorola |
| Motorola – Corporate Systems |
National Institute for Urban Search & Rescue |
NET(net), Inc. |
| Northeastern Illinois University |
Oil-Dri Corporation of America |
Potbelly Sandwiches |
| PrimeGroup Realty Trust |
Project Management Institute |
Q Interactive |
| Quish & Associates |
Rarity & Associates |
Regional Transportation Authority |
| Richardson Electronics, LTD. |
RiverPoint Group, LLC |
Rotary International |
| Rowe Management Consulting |
Royster Clark |
Rush Northshore Medical |
| Rush University Medical Center |
Rust-Oleum Corp. |
Schwartz Paper |
| Shawk, Inc. |
Shawk, Inc. |
SHC Direct, LLC |
| Sirva |
Sloane Valve Company |
Sonnenschein, Nath & Rosenthal |
| Source Link LLC |
Spring Air Co. |
Standard Parking |
| State of Illinois Central Management |
Stericycle, Inc. |
Technology Executive Network (TEN) |
| Technology Leaders Association |
Temple Steel Co. |
The Advanced Group of Companies |
| The Advisory Council (TAC) |
Thomas & King, Inc. |
Tuthill Corporation |
| Uline, Inc. |
Underwriters Laboratories |
University of Illinois at Chicago |
| US Can Corporation |
US Secret Service, CECTF |
Velsicol Chemical Corp. |
| Village of Schaumburg |
W.W. Grainger, Inc. |
Wells-Gardner Electric Corp. |
| Whitehall Jewelers |
Wilbert Funeral Services, Inc. |
Winterthur North America |
| Wm. Wrigley Jr. Company |
WPS, Inc. |
Zebra Technologies |
