CapitalSource is a commercial lender that is a division of Pacific Western Bank and provides senior debt loans of $5 million to $100 million to middle-market companies throughout the United States. The company targets specific industries in its portfolio of holdings, particularly focusing on technology, real estate, healthcare, security, small business, golf finance, and equipment leasing companies. With $16 billion in assets and 80 full-service branches located throughout the state of California. Pacific Western Bank is a wholly owned subsidiary of PacWest Bancorp CapitalSource is often referred to as an on-balance sheet lender because its loans are originated, underwritten and managed internally. The majority of its loans are in three categories: first mortgage, cash-flow, and asset-based loans. CapitalSource was founded in 2000 by now-Congressman John Delaney (D-MD) and Jason Fish with an initial capitalization of more than $500 million, which at the time was the largest private capitalization for a finance company.