PennyMac Financial Services, Inc. (NYSE: PFSI) is a leading non-bank mortgage lender and servicer in the United States. Founded in 2008, the company operates a comprehensive mortgage platform that spans across three primary business segments: Production, Servicing, and Investment Management. The Production segment is responsible for the origination, acquisition, and sale of conventional and government-insured residential mortgage loans through correspondent, consumer-direct, and broker-direct channels. The Servicing segment handles loan administration, payment collection, default management, and loss mitigation activities for both newly originated loans and loans serviced for others. Additionally, through its Investment Management segment, the company acts as the external manager for PennyMac Mortgage Investment Trust (NYSE: PMT), a publicly traded mortgage real estate investment trust (REIT). PennyMac generates revenue primarily from net gains on loans held for sale, loan origination fees, servicing fees, and management fees from PMT. As one of the largest mortgage originators and servicers in the U.S., the company leverages its highly scalable operating platform to maintain a strong competitive position in the domestic residential mortgage market.