NMI Holdings Inc through its subsidiaries provides private mortgage guaranty insurance. The company offers mortgage insurance, reinsurance on loans and outsourced loan review services to mortgage loan originators. It serves national and regional mortgage banks, money center banks, credit unions, community banks, builder-owned mortgage lenders, Internet-sourced lenders, and other non-bank lenders.NMI Holdings Inc through its subsidiaries provides private mortgage guaranty insurance. The company offers two types of mortgage insurance; Primary mortgage insurance and Pool insurance.