CapitalSource (CSE) through its wholly owned subsidiary CapitalSource Bank, provides commercial loans to small and middle-market businesses and offers depository products and services in the United States. The firm operates through its three divisions, corporate finance, healthcare, and specialty finance and structured finance. CSE specializes in providing commercial lending services in the areas of commercial real estate, equipment leasing, golf, healthcare, asset-based lending, multifamily, leveraged, premium, lender and resort finance, security and small business lending. CapitalSource has been acquired by Pacific Western Bank. CapitalSource is retired and the entire enterprise now marketed as Pacific Western Bank.