NMI Holdings, Inc. provides mortgage insurance (MI) through its wholly owned insurance subsidiaries, National Mortgage Insurance Corporation (NMIC) and National Mortgage Reinsurance Inc One (Re One). NMIC is its primary insurance subsidiary, which provides MI. Re One provides reinsurance to NMIC on certain insured loans after giving effect to third-party reinsurance. Its other subsidiary, NMI Services, Inc. (NMIS), provides outsourced loan review services to mortgage loan originators. It has master policies with approximately 1,656 customers, including national and regional mortgage banks, money center banks, credit unions, community banks, builder-owned mortgage lenders, Internet-sourced lenders and other non-bank lenders. It offers two principal types of MI products, which includes primary and pool. It also offers outsourced loan review services to mortgage originators through NMIS.