Central |
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| Bank of America | Mayo Clinic |
| Caterpillar | Money Gram International |
| Central Steel & Wire Company | Office Max |
| Chicago Mercantile Exchange | The Options Clearing Corporation |
| Comerica | Park Nicollet Health Services |
| Computer Services, Inc. | ProHealth |
| Gallagher Bassett Services, Inc. | Sears |
| Illinois Institute of Technology | Target |
| Iowa Health System | T-Check Systems, Inc. |
| ITS/SHAZAM | Kohl's |
| John Deere | US Foodservice |
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