Fannie Mae (Federal National Mortgage Association) has helped some 50 million low- to middle-income families realize the American Dream. A public company operating under federal charter, Fannie Mae is one of the world's largest financial services firms and the US's #1 source for home mortgage financing.

Fannie Mae mortgage provides liquidity in the market by buying mortgages from lenders and packaging them for resale, transferring risk from lenders and allowing them to offer mortgages to those who may not otherwise qualify. Fannie Mae also invests in mortgage-backed securities. It enjoys borrowing from the government at low rates; is exempt from certain taxes; and benefits from an implicit guarantee of federal support.