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Navient Corp provides technology-enabled education finance solutions that simplify complex programs and help millions of people achieve success. The company operates its business in two segments: Federal Education Loans, and Consumer Lending. A majority of its revenue is generated from the Federal Education Loans segment, in which the company owns and manages the Federal Family Education Loan Program (FFELP) loans, generating revenue mainly in the form of net interest income. The Consumer Lending segment owns and manages private education loans and is the master servicer for these portfolios. Through its Earnest brand, the company also refinances and originates in-school private educational loans.

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.