Federal Home Loan Mortgage Corporation operates in the secondary mortgage market in the United States. It operates through two segments, Single-Family and Multifamily. The Single-Family segment purchases, securitizes, and guarantees single-family loans; and manages single-family mortgage credit and market risk, as well as manages mortgage-related investments portfolio, single-family securitization activities, and treasury functions. This segment serves mortgage banking companies, commercial banks, regional banks, community banks, credit unions, housing finance agencies, savings institutions, and non-depository financial institutions. The Multifamily segment engages in the purchase, securitization, and guarantee of multifamily loans; issuance of multifamily K certificates; manages multifamily mortgage credit and market risk; and invests in multifamily loans and mortgage-related securities. It serves banks and other financial institutions, insurance companies, money managers, hedge funds, pension funds, state and local governments, and broker dealers. Federal Home Loan Mortgage Corporation incorporated in 1970 and is headquartered in McLean, Virginia.