CapitalSource is a specialized commercial finance company offering asset-based, senior, cash flow and mezzanine financing to small and mid-sized borrowers through three focused lending groups: CorporateFinance Business, Healthcare and Specialty Finance Business and Structured Finance Business. Headquartered in Chevy Chase, MD, CapitalSource has a national network of offices in cities includingAtlanta, Boston, Buffalo, Chicago, Dallas, Los Angeles, Nashville, NewYork, Philadelphia, St. Louis and San Francisco.