AT&T
Lucent Technologies
Quaker Oats
Bank One
Inland Steel
Keebler
Square D
Tru Serv
Bimba Manufacturing
The Northern Trust
The University of Chicago
Dunkin Doughnuts
Mac Neal Hospital
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University of Chicago Hospitals
Swedish American Hospital
Field Museum of Natural History
METRA
City Colleges of Chicago
Appraisal Institute
Rotary International
Central American Management Association
Swissôtel
Illinois Municipal Retirement Fund
International Quality and Productivity Center
State of Illinois
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