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Madison Dearborn Partners, LLC ("MDP") is a leading private equity investment firm based in Chicago, Illinois. MDP`s objective is to invest in companies in partnership with outstanding management teams to achieve significant long-term appreciation in equity value. A flexible investment approach, encompassing both management buyouts and structured minority investments, has been a key tenet to MDP`s investment philosophy for several decades.
Riverstone Holdings is a New York, NY-based company in the Financial Services sector.
Ocean Acoustical Services And Instrumentation Syst is a Lexington, MA-based company in the Financial Services sector.