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Federal Agricultural Mortgage Corp provides agricultural real estate and rural housing mortgage loans in the secondary market in the U.S. Its operations consist of seven reportable segments: Farm & Ranch, which generates maximum revenue, Corporate AgFinance, Power & Utilities, Broadband Infrastructure, Renewable Energy, Funding, and Investments. The company purchases eligible mortgage loans secured by first liens on agricultural real estate and rural housing under the Farm & Ranch line of business. Its subsidiary purchases portions of certain agricultural, rural development, business and industry, and community facilities loans guaranteed by the USDA. Geographically, the company's operations are spread across different regions in the United States.

Berkshire Hathaway is a holding company with a wide array of subsidiaries engaged in diverse activities. The firm's core business segment is insurance, run primarily through Geico, Berkshire Hathaway Reinsurance Group, and Berkshire Hathaway Primary Group. Berkshire has used the excess cash thrown off from its operations to acquire Burlington Northern Santa Fe (railroad), Berkshire Hathaway Energy (utilities and energy distributors), and the companies that make up its manufacturing, service, and retailing operations (which include Precision Castparts, Lubrizol, Clayton Homes, Marmon, and IMC/ISCAR). The conglomerate is unique in that it is run on a completely decentralized basis.