- American Securities Capital Partners
- Apax Partners
- Arcapita
- Audax
- Bayside Capital, Inc.
- CIT Healthcare
- Ferrer Freeman & Company, LLC
- Fortress Capital Investors, LLC
- H.I.G. Capital Partners
- KRG Capital Partners, LLC
- Morgan Joseph & Co. Inc.
- Morgan Keegan
- Nantucket Capital
- Pine Creek Healthcare Capital, Inc.
- Primus Venture Partners QuilVest, USA
- Strategic Optical Holdings,
Inc. (WISE)
- The Blackstone Group
- Trivest Partners, L.P.
- Warburg Pincus LLC
- Welsh Carson Anderson & Stowe
LEADERSHIP. PROBLEM SOLVING. CREATION.