- Advocate Health Care
- Allstate Insurance
- American Medical Association
- Aon
- Bank of America
- Blue Cross Blue Shield
- Chicago Public Schools
- Chicago Cubs
- City of Chicago
- Discover Financial Service
- FAA
- GE Capital
- General Motors
- Hyatt Hotels
- Kellogg Company
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- KraftHeinz
- Loyola University Chicago
- McDonald's Corporation
- Navistar
- Newell Rubbermaid
- Northwestern University
- Sears Holdings Corp
- Social Security Administration
- Staples
- State of Illinois
- Target
- The Boeing Company
- True Value
- United Airlines
- Walgreens
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