Established in 1970, Freddie Mac is a stockholder-owned corporation that supports homeownership and rental housing. The company purchases single-family and multifamily residential mortgages, which it finances by issuing mortgage-related securities and debt instruments in capital markets. It offers homeowners and renters low-housing costs and provides access to home financing and equity loans. Freddie Mac provides a variety of adjustable- and fixed-rate mortgages for families and individuals. The company also offers financial and risk management, debt funding, asset selection, credit guarantee and portfolio investment services. Headquartered in McLean, Va., Freddie Mac maintains an office in Chicago.