Federal Home Loan Mortgage Corporation (FMCKL), established in 1970 and headquartered in McLean, Virginia, is a pivotal entity operating within the United States' secondary mortgage market. The company's core activities involve purchasing residential mortgage loans, covering both single-family and multifamily properties, from their original lenders. It also strategically invests in mortgage loans and various mortgage-related securities. FMCKL organizes its operations into two distinct segments: Single-family: This division is responsible for acquiring, securitizing, and guaranteeing loans used for individual homes. It also actively manages the credit risk associated with these single-family mortgages, oversees related investment portfolios, directs securitization efforts, and handles treasury functions. Its clientele spans a wide array of financial institutions, including mortgage banking companies, commercial and regional banks, credit unions, housing finance agencies, and non-depository financial firms. Multifamily: This segment focuses on the procurement, sale, securitization, and guarantee of loans and securities pertaining to multi-unit residential properties. Its work includes issuing multifamily K and SB certificates, developing and guaranteeing other securitization products and credit risk transfer solutions, and offering additional mortgage-related guarantees. This segment serves a diverse group of clients such such as banks, insurance companies, money managers, central banks, pension funds, government entities, real estate investment trusts, and various types of lenders.