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, HFAs, savings institutions, and non-depository 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 depository institutions, insurance companies, money managers, central banks, pension funds, state and local governments, REITs, non-depository institutions, and brokers and dealers. Federal Home Loan Mortgage Corporation incorporated in 1970 and is headquartered in McLean, Virginia.