- Atlantic Mutual Companies
- Carrier Corporation
- Chartis, Inc.
- CiCi’s Pizza
- Cisco Systems, Inc.
- Cleveland Clinic Foundation
- Council of Smaller Enterprises (COSE)
- Eaton Corporation
- Global Aerospace
- Hamilton Sundstrand
- Hartford Financial Products
- INVESCO Real Estate
- Johnson & Johnson
- Lincoln Electric
| - Norfolk Southern
- Ohio Police and Fire Pension Fund
- Otis Elevator
- Pfizer, Inc.
- Pratt & Whitney
- Rockwell Automation, Inc.
- Sikorsky Aircraft Corporation
- State Teachers Retirement System of Ohio
- Textron Inc.
- Toshiba
- United Technologies Corporation
- University Hospitals
- Zurich Financial Services
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