This document provides a business analysis of Nationstar Mortgage Holdings, Inc. and the U.S. mortgage industry. It discusses the history of the mortgage industry and how the subprime lending crisis and housing bubble burst led to the dissolution of many mortgage lenders. This created opportunities for mortgage servicing companies to acquire servicing rights. The document also analyzes laws and regulations that impacted the industry, including those establishing programs to help homeowners, as well as trends showing non-bank servicers expanding as big banks exit the industry.