- Aavin Venture Capital
- Bernstein Investment Research
- Cogel Management Co
- Craig-Hallum Inc
- Key Investment Inc
- Key Investments
- Lakeside Investment Partners
- Merrill Lynch
- Pathways Investments
- Spell Capital Partners LLC
- Stone Arch Capital
- Tartan Investment Co
- TCF Investments
- Wabash Management Inc
- Whitney Wheelock
