Federal Agricultural Mortgage Corporation, known as Farmer Mac, specializes in providing a secondary market for agricultural and rural utility loans in the United States. The company operates through multiple segments, including Corporate AgFinance, Farm & Ranch, Rural Utilities, and Renewable Energy, focusing on purchasing and retaining eligible loans and securities related to these sectors.

Farmer Mac guarantees principal and interest payments on securities backed by pools of eligible loans, enhancing liquidity in the agricultural credit market. The company's services support various stakeholders in the agricultural sector, including farmers, ranchers, rural utility providers, and agribusinesses, by improving access to capital and credit in rural America.